OverviewThe PLV resilient seated eccentric plug valve is a type of valve that opens or closes the fluid passage through the rotary motion of an eccentrically positioned tapered or cylindrical plug. The valve adopts an eccentric design, where the plug's center of rotation is offset from the center of the sealing surface, creating an eccentric distance. This causes the plug to engage in a cam-like action during opening and closing, rapidly disengaging from or pressing against the valve body sealing surface, thereby significantly reducing friction and wear on the sealing surfaces. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate synchronously without any lifting motion. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. The valve body interior or sealing surfaces are lined with resilient materials (such as rubber, PTFE, etc.), forming a resilient seated structure. Through the eccentric motion of the plug, compensatory compression against the valve body sealing surface is achieved, ensuring tight sealing even under fluctuating medium pressure or minor wear of the sealing surfaces. The valve relies on the mechanical advantage of the eccentric mechanism and the compensatory capability of the resilient seat to achieve sealing, offering low operating torque, stable sealing performance, and good wear resistance. It is particularly suitable for applications involving particulate-laden media, abrasive conditions, or frequent operation.PLV Flexible seat sealing eccentric plug valve Product DiagramFeature1. Eccentric Sealing Structure: The valve adopts an eccentric design, where the plug's center of rotation is offset from the center of the sealing surface, creating an eccentric distance. During opening and closing, the plug rapidly disengages from or presses against the seat in a cam-like action, significantly reducing friction and wear on the sealing surfaces, thereby extending the valve's service life..2. Resilient Seated Technology: The valve body sealing surface or the plug surface is lined with resilient materials (such as rubber, PTFE, etc.), forming a resilient seated structure. The eccentric motion enables the plug to apply compensatory compression against the seat when closed, maintaining tight sealing even under fluctuating medium pressure or minor wear of the sealing surfaces.3. Reliable Sealing Performance: Sealing is achieved through the mechanical advantage of the eccentric mechanism and the compensatory capability of the resilient seat, unaffected by medium pressure variations. There is no sliding friction on the sealing surfaces during opening and closing, resulting in low operating torque and stable sealing performance.4. Wear Resistance and Erosion Resistance: The valve body and plug can be made of ductile iron, carbon steel, stainless steel, or other materials depending on the medium. The resilient sealing surface offers good wear resistance. The eccentric structure allows the plug to completely disengage from the seat when open, avoiding medium erosion on the sealing surface, making it particularly suitable for applications with particulate-laden media.5. Light Operation and Quick Opening/Closing: A 90-degree rotation of the plug completes the opening or closing operation. There is no friction resistance on the sealing surfaces during operation, resulting in low operating torque and light handwheel operation. Suitable for frequent operation applications.6. Non-Rising Stem Design, Compact Installation Height: The stem and plug rotate as one unit without axial movement, resulting in a low overall height, suitable for pipeline systems with limited installation space.

OverviewThe X13 series two-way female threaded plug valve is a type of valve that opens or closes the fluid passage through the rotary motion of a tapered or cylindrical plug. The valve adopts a straight-through structure, with a through-type medium flow port provided on the plug. By rotating the plug 90 degrees, the flow port aligns with or becomes perpendicular to the valve body passage, thereby achieving fully open or fully closed positions. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate synchronously without any lifting motion. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. Both ends of the valve body adopt female threaded connections, which can be directly connected to external threads of pipelines, making installation and disassembly convenient and suitable for small and medium-diameter pipeline systems. The valve relies on precise fit and lubrication or resilient sealing materials between the plug and the valve body sealing surfaces to achieve sealing, offering low operating torque and stable sealing performance. With a compact structure, it is widely used in pipeline systems handling water, oil, gas, and other non-corrosive or mildly corrosive media for shut-off or flow passage applications.X13 Series Two-Way Female Threaded Plug Valve Product DiagramFeature1. Female Threaded Connection for Easy Installation: Both ends of the valve body adopt female threaded connections, which can be directly connected to external threads of pipelines, making installation and disassembly convenient. Suitable for small and medium-diameter pipeline systems without the need for flange welding.2. Quick Opening/Closing with Straight-Through Flow Path: A 90-degree rotation of the plug completes opening or closing, providing rapid operation. When fully open, the flow path is straight, resulting in low fluid resistance and minimal vortex or sedimentation.3. Reliable Sealing Performance: The sealing surfaces of the plug and valve body can be precision-lapped or lined with resilient materials such as PTFE, achieving excellent sealing effect with self-lubricating properties and smooth operation.4. Corrosion and Wear Resistance: The valve body and plug can be made of carbon steel, stainless steel, alloy steel, or other materials depending on the medium. Sealing surfaces can be hardened (e.g., hardfacing with cemented carbide, nitriding, etc.), providing wear resistance, erosion resistance, and long service life.5. Non-Rising Stem Design, Compact Installation Height: The stem and plug rotate as one unit without axial movement, resulting in a low overall height, suitable for pipeline systems with limited installation space.6. Bidirectional Sealing, No Flow Direction Restriction: The valve is designed for bidirectional sealing with no strict requirement on flow direction, offering greater installation flexibility.

OverviewThe X14 series female threaded three-way plug valve is a type of valve that switches, distributes, opens, or closes fluid passages through the rotary motion of a tapered or cylindrical plug. The valve adopts a three-way structure, with L-shaped or T-shaped medium flow ports provided on the plug. By rotating the plug 90 or 180 degrees, the flow ports align with or become offset from different passages of the valve body, thereby achieving flow direction change, merging, or diverting. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate synchronously without any lifting motion. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. Both ends and the side port of the valve body adopt female threaded connections, which can be directly connected to external threads of pipelines, making installation and disassembly convenient and suitable for small and medium-diameter pipeline systems. The valve relies on precise fit and lubrication or resilient sealing materials between the plug and the valve body sealing surfaces to achieve sealing, offering low operating torque and stable sealing performance. With a compact structure, it is widely used in pipeline systems handling water, oil, gas, and other non-corrosive or mildly corrosive media for flow direction switching or distribution purposes.X14 Series Female Threaded Three-Way Plug Valve Product DiagramFeature1. Female Threaded Connection for Easy Installation: Both ends and the side port of the valve body adopt female threaded connections, which can be directly connected to external threads of pipelines, making installation and disassembly convenient. Suitable for small and medium-diameter pipeline systems without the need for flange welding.2. Three-Way Switching with Flexible Flow Path: L-shaped or T-shaped flow ports are provided on the plug. A 90-degree or 180-degree rotation of the plug completes flow direction change, merging, or diverting, providing rapid operation. Various flow control modes can be achieved according to process requirements.3. Reliable Sealing Performance: The sealing surfaces of the plug and valve body can be precision-lapped or lined with resilient materials such as PTFE, achieving excellent sealing effect with self-lubricating properties and smooth operation.4. Corrosion and Wear Resistance: The valve body and plug can be made of carbon steel, stainless steel, brass, alloy steel, or other materials depending on the medium. Sealing surfaces can be hardened (e.g., hardfacing with cemented carbide, nitriding, etc.), providing wear resistance, erosion resistance, and long service life.5. Non-Rising Stem Design, Compact Installation Height: The stem and plug rotate as one unit without axial movement, resulting in a low overall height, suitable for pipeline systems with limited installation space.

OverviewThe X44 series three-way flanged plug valve is a type of valve that switches, distributes, opens, or closes fluid passages through the rotary motion of a tapered or cylindrical plug. The valve adopts a three-way structure, with L-shaped or T-shaped medium flow ports provided on the plug. By rotating the plug 90 or 180 degrees, the flow ports align with or become offset from different passages of the valve body, thereby achieving flow direction change, merging, or diverting. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate synchronously without any lifting motion. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. Both ends and the side port of the valve body adopt flanged connections, which are fastened to the pipeline flanges by bolts, providing reliable sealing and convenient disassembly, suitable for medium and large-diameter pipeline systems under higher pressure. The valve relies on precise fit and lubrication or resilient sealing materials between the plug and the valve body sealing surfaces to achieve sealing, offering low operating torque and stable sealing performance. It is widely used in pipeline systems of petroleum, chemical, metallurgical, power and other industries for flow direction switching or distribution purposes.X44 Series Three-Way Flanged Plug Valve Product DiagramFeature1 . Flanged Connection, Reliable and Convenient: Both ends and the side port of the valve body adopt flanged connections, which are fastened to the pipeline flanges by bolts, providing reliable sealing and convenient disassembly, suitable for medium and large-diameter pipeline systems under higher pressure.2 . Three-Way Switching with Flexible Flow Path: L-shaped or T-shaped flow ports are provided on the plug. A 90-degree or 180-degree rotation of the plug completes flow direction change, merging, or diverting, providing rapid operation. Various flow control modes can be achieved according to process requirements.3 . Reliable Sealing Performance: The sealing surfaces of the plug and valve body can be precision-lapped or lined with resilient materials such as PTFE, achieving excellent sealing effect with self-lubricating properties and smooth operation.4 . Corrosion and Wear Resistance: The valve body and plug can be made of carbon steel, stainless steel, alloy steel, or other materials depending on the medium. Sealing surfaces can be hardened (e.g., hardfacing with cemented carbide, nitriding, etc.), providing wear resistance, erosion resistance, and long service life.5 . Non-Rising Stem Design, Compact Installation Height: The stem and plug rotate as one unit without axial movement, resulting in a low overall height, suitable for pipeline systems with limited installation space.6 . Bidirectional Sealing, No Flow Direction Restriction: The valve is designed for bidirectional sealing with no strict requirement on flow direction, offering greater installation flexibility.7 . Wide Range of Applications: The flanged connection offers high strength, suitable for pipeline systems in petroleum, chemical, metallurgical, power and other industries for flow direction switching or distribution purposes.

OverviewThe BX43W two-way jacketed plug valve is a type of valve that opens or closes the fluid passage by the rotary motion of a tapered or cylindrical plug. The valve adopts a straight-through two-way design, with a flow port through the plug. By rotating the plug 90 degrees, the flow port aligns with or becomes perpendicular to the valve body passage, achieving fully open or fully closed positions. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate synchronously without any lifting motion. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. The external body of the valve is equipped with a heating jacket, which allows the introduction of steam, thermal oil, or other heating media to heat or maintain the temperature of the internal medium, preventing solidification or crystallization due to temperature drop. The valve relies on precise fit and lubrication or resilient sealing materials between the plug and the valve body sealing surfaces, offering low operating torque and stable sealing performance.BX43W two-way jacketed plug valve Product DiagramFeature1. Integrated Jacket Design: The valve body is integrally cast or welded with an external heating jacket, allowing heating media to pass through to maintain the required process temperature of the internal medium, suitable for high-viscosity, easily solidifying, or constant-temperature media.2. Quick Operation with Straight-Through Flow Path: A 90-degree rotation of the plug completes opening or closing. When fully open, the flow path is straight, resulting in low fluid resistance and minimal vortex or sedimentation.3. Reliable Sealing Performance: The sealing surfaces of the plug and valve body can be precision-lapped or lined with resilient materials such as PTFE, providing excellent sealing with self-lubricating properties and smooth operation.4. Corrosion and Wear Resistance: The valve body and plug can be made of carbon steel, stainless steel, alloy steel, etc., depending on the medium. Sealing surfaces can be hardened (e.g., hardfacing, nitriding) for wear and erosion resistance, ensuring long service life.5. Non-Rising Stem Design, Compact Installation Height: The stem and plug rotate as one unit without axial movement, resulting in a low overall height, suitable for installations with limited vertical space.6. Bidirectional Sealing, No Flow Direction Restriction: The valve is designed for bidirectional sealing with no strict requirement on flow direction, offering greater installation flexibility.

OverviewThe BX44W jacketed plug valve is a type of valve that opens, closes, switches, or distributes fluid passages through the rotary motion of a tapered or cylindrical plug. The valve adopts a multi-way structure, with corresponding flow ports (L-shaped or T-shaped) provided on the plug. By rotating the plug 90 or 180 degrees, the flow ports align with or become offset from different passages of the valve body, thereby achieving flow diversion, merging, or directional change. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate synchronously without any lifting motion. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. The external body of the valve is equipped with a heating jacket, which allows the introduction of steam, thermal oil, or other heating media to heat or maintain the temperature of the internal medium, preventing solidification or crystallization due to temperature drop during transportation. The valve relies on precise fit and lubrication or resilient sealing materials between the plug and the valve body sealing surfaces, offering low operating torque and stable sealing performance. It is suitable for insulation applications requiring flow direction change or multi-port control.BX44W Three-way Heat-preservation Plug Valve Product DiagramFeature1.Integrated Jacket Construction: The valve body is integrally cast or welded with an external heating jacket, allowing heating medium to pass through to maintain the required process temperature of the internal medium. Suitable for high-viscosity, easily solidifying, or constant-temperature conveying media.2.Multi-Port Switching with Flexible Flow Path: A 90-degree or 180-degree rotation of the plug completes flow direction change, merging, or diverting, providing rapid operation. The valve adopts a multi-way structure with L-shaped or T-shaped flow ports on the plug, enabling various flow control modes according to process requirements.3.Reliable Sealing Performance: The sealing surfaces of the plug and valve body can be precision-lapped or lined with resilient materials such as PTFE, achieving excellent sealing with self-lubricating properties and smooth operation.4.Corrosion and Wear Resistance: The valve body and plug can be made of carbon steel, stainless steel, alloy steel, or other materials depending on the medium. Sealing surfaces can be hardened (e.g., hardfacing with cemented carbide, nitriding, etc.), providing wear resistance, erosion resistance, and long service life.5.Non-Rising Stem Design, Compact Installation Height: The stem and plug rotate as one unit without axial movement, resulting in a low overall height, suitable for pipeline systems with limited installation space.6.Bidirectional Sealing, No Flow Direction Restriction: The valve is designed for bidirectional sealing with no strict requirement on flow direction, offering greater installation flexibility.

OverviewThe X47W flanged straight-through lubricated plug valve is a type of valve that opens or closes the fluid passage through the rotary motion of a tapered or cylindrical plug. The valve adopts a straight-through structure, with a through-type medium flow port provided on the plug. By rotating the plug 90 degrees, the flow port aligns with or becomes perpendicular to the valve body passage, thereby achieving fully open or fully closed positions. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate synchronously without any lifting motion. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. Both ends of the valve body adopt flanged connections, which are fastened to the pipeline flanges by bolts, providing reliable sealing and convenient disassembly, suitable for medium and large-diameter pipeline systems under higher pressure. The valve is equipped with a unique lubricating sealing system, which injects sealing grease between the plug and the valve body sealing surfaces to form a forced oil film seal, effectively compensating for minor wear on the sealing surfaces, improving sealing performance, and reducing operating torque. The valve relies on precise fit and oil film lubrication between the plug and the valve body sealing surfaces to achieve sealing, offering low operating torque, stable sealing performance, and long service life. It is widely used in pipeline systems of petroleum, natural gas, chemical and other industries for shut-off or flow passage applications.X47W Flanged Straight-Through Oil-Sealed Plug Valve Product DiagramFeature1 . Lubricated Sealing System with Forced Lubrication: The valve is equipped with a unique lubricated sealing system, which injects sealing grease between the plug and the valve body sealing surfaces to form a forced oil film seal, effectively compensating for sealing surface wear, reducing operating torque, and extending service life.2 . Quick Opening/Closing with Straight-Through Flow Path: A 90-degree rotation of the plug completes opening or closing, providing rapid operation. When fully open, the flow path is straight, resulting in low fluid resistance and minimal vortex or sedimentation.3 . Reliable Sealing Performance: The sealing surfaces of the plug and valve body can be precision-lapped, and together with oil film lubrication, achieve excellent sealing performance with stable sealing characteristics, suitable for high-pressure applications.4 . Corrosion and Wear Resistance: The valve body and plug can be made of carbon steel, stainless steel, alloy steel, or other materials depending on the medium. Sealing surfaces can be hardened (e.g., hardfacing with cemented carbide, nitriding, etc.), providing wear resistance, erosion resistance, and long service life.5 . Non-Rising Stem Design, Compact Installation Height: The stem and plug rotate as one unit without axial movement, resulting in a low overall height, suitable for pipeline systems with limited installation space.6 . Bidirectional Sealing, No Flow Direction Restriction: The valve is designed for bidirectional sealing with no strict requirement on flow direction, offering greater installation flexibility.7 . Flanged Connection, Reliable and Convenient: Both ends of the valve body adopt flanged connections, which are fastened to the pipeline flanges by bolts, providing reliable sealing and convenient disassembly, suitable for medium and large-diameter pipeline systems under higher pressure.8 . Online Lubrication Maintenance: The valve allows sealing grease to be replenished through the lubricating fitting without disassembly, enabling online maintenance and reducing downtime.

OverviewThe pressure gauge plug valve is a type of valve that connects or disconnects the pressure measurement pipeline to or from the pressure instrument through the rotary motion of a tapered or cylindrical plug. The valve adopts a straight-through or angle-type structure, with a through-type medium flow port provided on the plug. By rotating the plug 90 degrees, the flow port aligns with or becomes perpendicular to the valve body passage, thereby connecting or isolating the pressure gauge from the pressure tapping point. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate synchronously without any lifting motion. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. Both ends of the valve body typically adopt female threaded connections, with one end connected to the pressure instrument and the other end connected to the pressure tapping pipeline or equipment interface, making installation and disassembly convenient. The valve relies on precise fit between the plug and the valve body sealing surfaces to achieve sealing, offering low operating torque and stable sealing performance. It is widely used for pressure measurement isolation in boilers, pressure vessels, and pipeline systems, serving as a shut-off and connection device for online pressure gauge calibration, replacement, or cleaning.Pressure-gauge Plug Valve Product DiagramFeature1. Female Threaded Connection for Easy Installation: Both ends of the valve body adopt female threaded connections, with one end connected to the pressure instrument and the other end connected to the pressure tapping pipeline, making installation and disassembly convenient. Suitable for instrument piping systems without the need for flange welding.2. Quick Opening/Closing with Light Operation: A 90-degree rotation of the plug connects or disconnects the pressure gauge from the pressure tapping point, providing rapid operation. There is no friction on the sealing surfaces during opening and closing, resulting in low operating torque, facilitating online calibration, replacement, or cleaning of pressure gauges.3. Reliable Sealing Performance: The sealing surfaces of the plug and valve body can be precision-lapped to achieve excellent sealing, ensuring no internal or external leakage under high-pressure conditions and effectively isolating the pressure medium.4. Corrosion Resistance and High-Pressure Resistance: The valve body and plug can be made of carbon steel, stainless steel, alloy steel, or other materials depending on the medium. Sealing surfaces can be hardened to withstand high pressure and erosion, suitable for various media such as steam, water, oil, and gas.

OverviewThe X41F series ferrule-type American standard plug valve is a type of valve that opens or closes the fluid passage through the rotary motion of a tapered or cylindrical plug. The valve adopts a straight-through structure, with a through-type medium flow port provided on the plug. By rotating the plug 90 degrees, the flow port aligns with or becomes perpendicular to the valve body passage, thereby achieving fully open or fully closed positions. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate synchronously without any lifting motion. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. Both ends of the valve body adopt ferrule-type connections, where the ferrule is compressed by the ferrule nut to achieve a sealed connection with the pipeline. This allows for easy installation and disassembly without the need for welding, making it suitable for instrument piping and high-pressure small-bore pipeline systems. The valve sealing surfaces are lined with fluoroplastic materials such as PTFE (F4), forming a soft sealing structure with excellent corrosion resistance and self-lubricating properties. The valve relies on precise fit between the plug and the valve body sealing surfaces, as well as the fluoroplastic liner, to achieve sealing, offering low operating torque and stable sealing performance. Designed in compliance with American standards, it is widely used in corrosive media pipeline systems in industries such as petroleum, chemical, and pharmaceutical.X41F Series Ferrule Type American Standard Plug Valve Product DiagramFeature1 . Ferrule Connection for Easy Installation: Both ends of the valve body adopt ferrule-type connections, where the ferrule is compressed by the ferrule nut to achieve a sealed connection with the pipeline. This allows for easy installation and disassembly without the need for welding, making it suitable for instrument piping and high-pressure small-bore pipeline systems.2 . Quick Opening/Closing with Straight-Through Flow Path: A 90-degree rotation of the plug completes opening or closing, providing rapid operation. When fully open, the flow path is straight, resulting in low fluid resistance and minimal vortex or sedimentation.3 . Reliable Sealing Performance: The sealing surfaces of the plug and valve body are lined with fluoroplastic materials such as PTFE (F4), forming a soft sealing structure that achieves excellent sealing effect with self-lubricating properties and smooth operation.4 . Excellent Corrosion Resistance: The valve body and plug can be made of carbon steel, stainless steel, alloy steel, or other materials depending on the medium. The sealing surfaces are lined with fluoroplastic, providing resistance to strong acids, strong alkalis, organic solvents, and other corrosive media, ensuring long service life.5 . Non-Rising Stem Design, Compact Installation Height: The stem and plug rotate as one unit without axial movement, resulting in a low overall height, suitable for installation on instrument panels or pipeline systems with limited space.6 . Bidirectional Sealing, No Flow Direction Restriction: The valve is designed for bidirectional sealing with no strict requirement on flow direction, offering greater installation flexibility.

OverviewThe X43 series two-way flanged plug valve is a type of valve that opens or closes the fluid passage through the rotary motion of a tapered or cylindrical plug. The valve adopts a straight-through structure, with a through-type medium flow port provided on the plug. By rotating the plug 90 degrees, the flow port aligns with or becomes perpendicular to the valve body passage, thereby achieving fully open or fully closed positions. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate synchronously without any lifting motion. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. Both ends of the valve body adopt flanged connections, which are fastened to the pipeline flanges by bolts, providing reliable sealing and convenient disassembly, suitable for medium and large-diameter pipeline systems under higher pressure. The valve relies on precise fit and lubrication or resilient sealing materials between the plug and the valve body sealing surfaces to achieve sealing, offering low operating torque and stable sealing performance. It is widely used in pipeline systems of petroleum, chemical, metallurgical, power and other industries for shut-off or flow passage applications.X43 Two-Way Flanged Plug Valve Product DiagramFeature1 . Flanged Connection, Reliable and Convenient: Both ends of the valve body adopt flanged connections, which are fastened to the pipeline flanges by bolts, providing reliable sealing and convenient disassembly, suitable for medium and large-diameter pipeline systems under higher pressure. 2 . Quick Opening/Closing with Straight-Through Flow Path: A 90-degree rotation of the plug completes opening or closing, providing rapid operation. When fully open, the flow path is straight, resulting in low fluid resistance and minimal vortex or sedimentation.3 . Reliable Sealing Performance: The sealing surfaces of the plug and valve body can be precision-lapped or lined with resilient materials such as PTFE, achieving excellent sealing effect with self-lubricating properties and smooth operation.4 . Corrosion and Wear Resistance: The valve body and plug can be made of carbon steel, stainless steel, alloy steel, or other materials depending on the medium. Sealing surfaces can be hardened (e.g., hardfacing with cemented carbide, nitriding, etc.), providing wear resistance, erosion resistance, and long service life.5 . Non-Rising Stem Design, Compact Installation Height: The stem and plug rotate as one unit without axial movement, resulting in a low overall height, suitable for pipeline systems with limited installation space.6 . Bidirectional Sealing, No Flow Direction Restriction: The valve is designed for bidirectional sealing with no strict requirement on flow direction, offering greater installation flexibility.7 . Wide Range of Applications: The flanged connection offers high strength, suitable for pipeline systems in petroleum, chemical, metallurgical, power and other industries for shut-off or flow passage applications.

OverviewThe YDAX43 ferrule-type soft-seated American standard plug valve is a type of valve that opens or closes the fluid passage through the rotary motion of a tapered or cylindrical plug. The valve adopts a straight-through structure, with a through-type medium flow port provided on the plug. By rotating the plug 90 degrees, the flow port aligns with or becomes perpendicular to the valve body passage, thereby achieving fully open or fully closed positions. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate synchronously without any lifting motion. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. Both ends of the valve body adopt ferrule-type connections, where the ferrule is compressed by the ferrule nut to achieve a sealed connection with the pipeline, allowing for easy installation and disassembly without welding, suitable for instrument piping and high-pressure small-bore pipeline systems. The sealing surfaces of the valve are lined with resilient materials such as PTFE, forming a soft sealing structure with excellent sealing performance and self-lubricating properties for smooth operation. The valve is designed in compliance with American standards, with standardized structural dimensions, facilitating matching with American standard pipelines and instruments. The valve relies on precise fit and resilient sealing materials between the plug and the valve body sealing surfaces to achieve sealing, offering low operating torque and stable sealing performance. It is widely used in corrosive media pipeline systems in industries such as petroleum, chemical, and pharmaceutical for shut-off or flow passage applications.YDAX43 Ferrule Soft-Sealed American Standard Plug Valve Product DiagramFeature1 . Ferrule Connection for Easy Installation: Both ends of the valve body adopt ferrule-type connections, where the ferrule is compressed by the ferrule nut to achieve a sealed connection with the pipeline. This allows for easy installation and disassembly without the need for welding, making it suitable for instrument piping and high-pressure small-bore pipeline systems. 2 . Soft-Seated Structure for Reliable Sealing: The sealing surfaces of the plug and valve body are lined with resilient materials such as PTFE, forming a soft sealing structure that achieves excellent sealing effect with self-lubricating properties and smooth operation.3 . Quick Opening/Closing with Straight-Through Flow Path: A 90-degree rotation of the plug completes opening or closing, providing rapid operation. When fully open, the flow path is straight, resulting in low fluid resistance and minimal vortex or sedimentation.4 . Excellent Corrosion Resistance: The valve body and plug can be made of stainless steel, carbon steel, alloy steel, or other materials depending on the medium. The sealing surfaces are lined with fluoroplastic, providing resistance to strong acids, strong alkalis, organic solvents, and other corrosive media, ensuring long service life. 5 . Non-Rising Stem Design, Compact Installation Height: The stem and plug rotate as one unit without axial movement, resulting in a low overall height, suitable for installation on instrument panels or pipeline systems with limited space.6 . Bidirectional Sealing, No Flow Direction Restriction: The valve is designed for bidirectional sealing with no strict requirement on flow direction, offering greater installation flexibility.7 . American Standard Design, Unified Specifications: The valve is designed in compliance with American standards, with standardized structural dimensions, facilitating matching with American standard pipelines and instruments, and suitable for export projects and foreign-funded projects.

OverviewThe YDAX47 inverted lubricated American standard plug valve is a type of valve that opens or closes the fluid passage through the rotary motion of a tapered or cylindrical plug. The valve adopts a straight-through structure, with a through-type medium flow port provided on the plug. By rotating the plug 90 degrees, the flow port aligns with or becomes perpendicular to the valve body passage, thereby achieving fully open or fully closed positions. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate synchronously without any lifting motion. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. The valve adopts an inverted design, with the large end of the plug located at the bottom of the valve body, where medium pressure helps to enhance sealing performance, making it suitable for high-pressure applications. The valve is equipped with a unique lubricated sealing system, which injects sealing grease between the plug and the valve body sealing surfaces to form a forced oil film seal, effectively compensating for minor wear on the sealing surfaces, improving sealing performance, and reducing operating torque. The valve is designed in compliance with American standards, with standardized structural dimensions. Both ends of the valve body adopt flanged connections, which are fastened to the pipeline flanges by bolts, providing reliable sealing and convenient disassembly. The valve relies on precise fit and oil film lubrication between the plug and the valve body sealing surfaces to achieve sealing, offering low operating torque, stable sealing performance, and long service life. It is widely used in pipeline systems of petroleum, natural gas, chemical and other industries for shut-off or flow passage applications.YDAX47 Inverted Oil-Sealed American Standard Plug Valve Product DiagramFeature1 . Inverted Structure for Enhanced Sealing: The valve adopts an inverted design, with the large end of the plug located at the bottom of the valve body, where medium pressure helps to enhance sealing performance, making it suitable for high-pressure applications.2 . Lubricated Sealing System with Forced Lubrication: The valve is equipped with a unique lubricated sealing system, which injects sealing grease between the plug and the valve body sealing surfaces to form a forced oil film seal, effectively compensating for sealing surface wear, reducing operating torque, and extending service life.3 . Quick Opening/Closing with Straight-Through Flow Path: A 90-degree rotation of the plug completes opening or closing, providing rapid operation. When fully open, the flow path is straight, resulting in low fluid resistance and minimal vortex or sedimentation.4 . Reliable Sealing Performance: The sealing surfaces of the plug and valve body can be precision-lapped, and together with oil film lubrication, achieve excellent sealing performance with stable sealing characteristics, suitable for high-pressure applications.5 . Corrosion and Wear Resistance: The valve body and plug can be made of carbon steel, stainless steel, alloy steel, or other materials depending on the medium. Sealing surfaces can be hardened (e.g., hardfacing with cemented carbide, nitriding, etc.), providing wear resistance, erosion resistance, and long service life.6 . Non-Rising Stem Design, Compact Installation Height: The stem and plug rotate as one unit without axial movement, resulting in a low overall height, suitable for pipeline systems with limited installation space.

OverviewThe ZDALX43 hard-seated lifting-type American standard plug valve is a type of valve that opens or closes the fluid passage through the combined rotary and lifting motion of a tapered or cylindrical plug. The valve adopts a straight-through structure, with a through-type medium flow port provided on the plug. During operation, the plug is first lifted to disengage the sealing surfaces, then rotated 90 degrees so that the flow port aligns with or becomes perpendicular to the valve body passage, thereby achieving fully open or fully closed positions. Conversely, for closing, the plug is first rotated then lowered to press the sealing surfaces together. The valve stem is integrally or fixedly connected to the plug. During operation, the stem and plug rotate and lift synchronously. Packing sealing is provided between the stem and the valve body to ensure reliable external sealing. The valve adopts a lifting-type design, which eliminates friction and wear on the sealing surfaces during opening and closing, significantly extending service life. The sealing surfaces are of metal-to-metal hard-seated construction, which can be precision-lapped or hardfaced with cemented carbide, providing excellent wear resistance, high-temperature resistance, and erosion resistance. The valve is designed in compliance with American standards, with standardized structural dimensions. Both ends of the valve body adopt flanged connections, which are fastened to the pipeline flanges by bolts, providing reliable sealing and convenient disassembly. The valve relies on precise fit and metal hard-seating between the plug and the valve body sealing surfaces to achieve sealing, offering low operating torque, stable sealing performance, and long service life. It is widely used in demanding pipeline systems in petroleum, natural gas, chemical, power and other industries for shut-off or flow passage applications.ZDALX43 American Standard Plug Valve with Lifting-Type Hard Seal Product Diagram.Feature1 . Lifting-Type Structure with Frictionless Opening/Closing: The valve adopts a lifting-type design. During opening, the plug is first lifted to disengage the sealing surfaces before rotation; during closing, the plug is first rotated then lowered to press the sealing surfaces together. There is no relative friction on the sealing surfaces, significantly extending service life.2 . Metal Hard Sealing for High Temperature and Wear Resistance: The sealing surfaces are of metal-to-metal hard-seated construction, which can be precision-lapped or hardfaced with cemented carbide, providing excellent wear resistance, high-temperature resistance, and erosion resistance, suitable for demanding applications with high temperature, high pressure, and particulate-laden media.3 . Quick Opening/Closing with Straight-Through Flow Path: A 90-degree rotation of the plug completes opening or closing, providing rapid operation. When fully open, the flow path is straight, resulting in low fluid resistance and minimal vortex or sedimentation.4 . Reliable Sealing Performance: The metal sealing surfaces of the plug and valve body can be precision-lapped to achieve excellent sealing with stable performance, meeting zero-leakage standards.5 . Combined Lifting and Rotating Motion with No Net Axial Rise: The stem and plug rotate and lift as an integrated unit, offering a compact structure suitable for pipeline systems with limited installation space.6 . American Standard Design with Flanged Connections: The valve is designed in compliance with American standards with standardized structural dimensions. Both ends of the valve body adopt flanged connections, providing reliable sealing and convenient disassembly, suitable for medium and large-diameter pipeline systems under higher pressure.