OverviewPZ73X insert plate knife gate valve is a compact valve designed for cutting or isolating harsh media such as solid particles, fibers, and slurries. Its core component is a sharp knife shaped gate plate, which can cut in and cut off the flowing medium when closed like a "plug plate", effectively preventing blockage. This valve adopts a clamp type connection, with a very short structural length and light weight. Its "X" characteristic represents that its gate or valve seat is usually sealed with elastic materials such as rubber for soft sealing, ensuring the tightness of the seal while achieving strong cutting. This product is widely used in industries such as mining, metallurgy, papermaking, wastewater treatment, coal, chemical, and food. It is an ideal cutting device in pipeline systems for processing media such as slurry, tailings, pulp, wastewater, slag slurry, grains, and dry powders. Its excellent anti clogging and tight sealing characteristics make it a key component to ensure smooth flow in harsh solid-liquid two-phase flow conditions. PZ73X Plug-in Type Blade Gate Valve Product DiagramFeatures1. Ultra-short structural length: Utilizing a wafer-type design, it features an extremely short structural length, compact size, and light weight. This facilitates installation and offers significant advantages in pipelines with limited space, effectively reducing installation costs.2. Blade-Type Cutting Design: The gate plate features a sharp cutting edge at its base. During closure, it effortlessly severs fibrous materials, pulp, particles, or other entangled substances and deposits, ensuring smooth flow without clogging concerns.3. Soft Seal Zero Leakage: The sealing pair utilizes elastic materials like rubber to form a soft seal. It delivers outstanding sealing performance, achieving bidirectional bubble-tight sealing. This makes it particularly suitable for environmental protection and process industries with stringent sealing requirements.4. Wear and Corrosion Resistance: Primary components in contact with media can be constructed from stainless steel or feature surface hardening treatments. The seat can also be designed as replaceable, significantly extending the valve's service life in abrasive and corrosive conditions.5. Lightweight and Flexible Operation: The compact structure and linear vertical movement of the gate plate require minimal torque for manual operation, enabling rapid opening and closing. It can also be easily adapted to pneumatic or electric actuators for automated control.

OverviewThe PZ573H umbrella gear knife gate valve is a shut-off valve utilizing bevel gear transmission, specifically designed for handling slurries, fibrous materials, and solid particulate media. Its core component is a sharp gate plate (blade) that effectively cuts and scrapes fibrous materials and deposits within pipelines using its razor-sharp edge, preventing blockages. The incorporation of a bevel gear mechanism converts the relatively small input force from the operating handle into substantial output torque, enabling effortless and efficient opening/closing of large-diameter valves. This makes it particularly suitable for high-pressure differential applications or scenarios requiring robust shut-off capability. Widely used in papermaking, wastewater treatment, mining, metallurgy, coal, and chemical industries, this product serves as the ideal shut-off equipment for pipelines handling pulp, tailings, coal-water mixtures, sewage, slurry, and other media containing solid particles and fibrous materials. Its robust cutting and anti-clogging capabilities make it a critical piece of equipment for ensuring uninterrupted flow in demanding process segments. PZ573H umbrella gear knife gate valve Product DrawingFeatures:1. Bevel Gear Drive: Utilizes a bevel gear angular transmission mechanism, delivering significant torque amplification for effortless operation of large-diameter valves. The shaft can be extended as needed to enable remote operation.2. Knife-Edge Gate Disc: The disc bottom features a sharp cutting edge design that effortlessly severs pulp, wood chips, fibers, and other entangled materials within the pipeline during closure, ensuring a tight seal without jamming.3. Compact Length: The valve body boasts a compact structure with a short overall length and relatively light weight, facilitating installation in confined spaces and effectively reducing pipeline layout costs.4. Wear-Resistant and Corrosion-Resistant Sealing: Sealing pairs typically utilize wear-resistant alloys or stainless steel materials, supplemented by specialized surface treatments. The valve seat can also be designed as adjustable or replaceable, significantly extending the valve's service life under harsh operating conditions.5. Multiple Drive Options: Based on the bevel gear operating mechanism, it can be easily adapted to electric, pneumatic, or hydraulic actuators, effortlessly enabling automated valve control and remote centralized operation.

OverviewPZL73H chain wheel lug knife gate valve is a specialized knife gate valve that combines chain wheel drive and lug clamp connection. Its core component is a sharp blade shaped gate, which can effectively cut and scrape off the slurry, fibers, and solid particles inside the pipeline. The protruding ear design makes installation and disassembly extremely convenient, especially suitable for pipeline systems that require frequent maintenance or limited space. The sprocket transmission mechanism provides a significant labor-saving effect, allowing operators to easily control valves located at high or difficult to access positions on the ground. Widely used in industries such as mining, metallurgy, papermaking, sewage treatment, coal, chemical, building materials, etc., especially suitable for the following working conditions: pipeline cutting containing solid particles or fiber media such as slurry, tailings, coal slurry, pulp, sludge, etc; Pipeline systems with limited space or requiring frequent disassembly and maintenance; Large caliber valves that are difficult to manually operate require the use of sprockets for effortless control.PZL73H Chain Wheel Lug Knife Gate Valve Product Drawing Features1. Sprocket Drive for Effortless Operation: Utilizing a sprocket reduction mechanism, it converts minimal input force into substantial output torque. This enables effortless opening and closing of large-diameter valves while facilitating remote operation.2. Lug Clamp Connection: Lugs on both sides of the valve body employ a clamp-style connection. Bolts pass through the lug holes and secure the valve to pipeline flanges. This design facilitates easy installation, removal, and maintenance, making it particularly suitable for confined spaces.3. Blade-edge design for superior cutting performance: The gate plate features a sharp cutting edge at its base. During closure, it effortlessly severs entangled fibers, pulp, and solid impurities, effectively preventing valve jamming and ensuring reliable sealing.4. Compact structure, lightweight: The overall design is short and robust, with a weight significantly lower than flanged gate valves of the same specifications. This effectively reduces pipeline support loads and saves installation space.5. Wear-resistant sealing and extended service life: The sealing pair typically uses wear-resistant alloy or stainless steel materials. The valve seat can be designed as replaceable, significantly increasing the valve's service life in abrasive media conditions.

Overview The PZ643TC Pneumatic Ceramic Wear-Resistant Knife Gate Valve is a high-performance automated valve specifically engineered for extreme abrasive service conditions. Driven by a pneumatic actuator, it interrupts or permits media flow by vertically lifting or lowering a knife gate with sharp edges. Its core innovation lies in the use of high-tech structural ceramics (such as alumina or silicon carbide) for critical flow-path components (gate, seat, and valve body lining), with “TC” denoting “Ceramic.” The wafer-type connection ensures an exceptionally compact structure, optimized for handling highly abrasive slurries and powdered media. This product represents the ultimate solution for handling highly abrasive and corrosive media. It finds primary application in extremely demanding processes such as ash removal systems in thermal power plants, pulverized coal and water-coal slurry conveyance in the coal industry, tailings and concentrate pipelines in mining operations, dust collection systems in steel mills, and the handling of high-hardness catalysts and granular materials in chemical plants. It serves as the core equipment ensuring long-term, stable, and low-maintenance operation in such high-wear systems.PZ643TC Изделие задвижки пневмокерамического износостойкого ножаFeatures:1. Ultra-wear-resistant ceramic internals: All critical components in contact with the medium are crafted from ultra-high-hardness, highly wear-resistant engineering ceramics. Their wear resistance exceeds that of traditional metals by tens to hundreds of times, revolutionizing valve service life.2. Pneumatic Rapid Automation: Equipped with a high-performance pneumatic actuator, it delivers swift opening/closing actions and stable torque output. Seamlessly integrates with automated control systems for precise, rapid remote control and high-frequency shut-off.3. Blade-edge design for clog and jam prevention: The ceramic gate plate features sharp edges that effortlessly cut through high-concentration, high-hardness slurries and fibers. Its ultra-smooth ceramic surface significantly reduces material adhesion and blockage risks.4. Exceptional Corrosion Resistance: Ceramic materials exhibit extreme chemical stability, offering outstanding resistance to most corrosive media including acids, alkalis, and salts. Ideal for harsh environments involving both abrasion and corrosion.5. Compact Wafer-Type Structure: Utilizing wafer-type connections, this design features a short structural length, relatively light weight, and minimal installation space requirements. It facilitates seamless integration within complex piping systems.

OverviewThe PZ643W Pneumatic Wafer-Type Knife Gate Valve is an automated shut-off valve driven by a pneumatic actuator, specifically designed for controlling harsh media such as slurries, powders, and fibrous impurities. Its core component is a thin gate plate with a cutting edge that slices through flowing media like a knife. Featuring a wafer-type connection, the valve boasts an extremely compact structure. The letter “W” denotes that its sealing surfaces are machined directly from the valve body material, forming a wear-resistant metal-to-metal hard seal with the gate plate. Pneumatic actuation enables rapid response to control signals, facilitating remote, high-frequency automated operation. This product is widely used in automated production lines across mining beneficiation, metallurgical slag removal, papermaking and pulping, wastewater treatment, chemical processing, and building materials industries. It is particularly suitable for controlling solid-liquid or solid-gas two-phase flow media such as mineral slurry, tailings, coal powder, pulp, sewage, dry ash, and granular materials. It serves as critical equipment for achieving process automation, enhancing production efficiency, and ensuring reliable operation under harsh conditions.PZ643W Pneumatic Wafer-Type Knife Gate Valve Product DrawingFeatures1. Pneumatic Rapid Actuation: Equipped with single-acting or double-acting cylinder actuators utilizing compressed air as the power source, enabling swift opening and closing (typically within seconds) with responsive operation. Particularly suitable for automated process control requiring frequent switching or emergency shutdown.2. Blade-Type Cutting Design: The bottom edge of the gate plate features a sharp cutting edge that effectively severs fibrous materials, pulp, particles, or other entangled substances and deposits within the pipeline during closure. This ensures a tight seal and minimizes the risk of jamming. 3. Metal Hard Seal (“W” Type): The valve body sealing surface forms a hard seal with the metal gate plate (or alloy overlay), offering excellent wear and erosion resistance. Suitable for abrasive media containing fine particles and high-temperature applications.4. Ultra-Short Wafer Structure: Utilizes wafer-type connection with extremely short structural length, compact size, and light weight. Requires minimal installation space, significantly reducing pipeline layout costs. Particularly suitable for installations with limited space.5. High Automation Integration: Pneumatic actuators facilitate easy installation of accessories such as solenoid valves, limit switches, and positioners. Seamlessly integrates with PLC or DCS systems to enable remote control, status feedback, and proportional regulation.

PZ673 Pneumatic Wafer Knife Gate Valve is an industrial automation execution unit combining a pneumatic actuator with an ultra-thin knife gate valve body. Utilizing compressed air as the power source, the pneumatic cylinder drives the piston to move the gate plate in a linear reciprocating motion, thereby opening or closing the pipeline. The core design features a gate plate with a sharp knife-edge at the bottom, which effectively shears through fibers, paper pulp, wood pulp, and impurities at the moment of closing to prevent jamming. The letters H, X, and F represent metal hard seal, rubber soft seal, and fluoroplastic seal, respectively, to meet various temperature, pressure, and corrosive conditions. Known for its short face-to-face dimension, light weight, and low flow resistance, this valve is widely used in paper making, mining, coal washing, chemicals, and sewage treatment systems.Product Image of PZ673 Pneumatic Wafer Knife Gate Valve Feature1. Ultra-short structure saves space:The wafer-style thin design ensures overall dimensions and weight are significantly lower than traditional gate valves. This saves installation space and reduces mechanical loads on the pipeline system, lowering support costs.2.Knife-edge gate for powerful shearing:The bottom of the gate is precision-machined into a wedge-shaped edge. It provides a strong shearing effect during closing, easily cutting through impurities and fibers in viscous media to eliminate the risk of sticking or incomplete closure.3.Full-bore design and low resistance:When fully open, the flow area matches the pipe diameter exactly, resulting in an extremely low resistance coefficient. This structure prevents media deposition and significantly reduces pumping energy consumption.4.Powerful and stable pneumatic drive:Equipped with high-performance pneumatic cylinders, providing large output thrust and rapid response. It can be configured with solenoid valves and limit switches for remote control and supports fail-safe pre-setting.5.Diverse sealing configurations:Available in H (metal seat for heat/wear resistance), X (rubber for tight seal), and F (PTFE for anti-corrosion) materials. The scientific seat design ensures reliable performance in both pressure directions.6.Durable internal materials:Body and internals are available in cast steel, stainless steel, or wear-resistant alloys. The gate surface is typically hard-chrome plated or nitrided to enhance hardness and erosion resistance for long-term stability.7.Modular design for easy service:The simple structure features minimal wearing parts. Actuator-to-body connections are standardized, allowing for online inspection and replacement of packing and seals without removing the valve from the line.8.Intrinsic safety and protection:Driven by compressed air, it eliminates spark risks, providing natural safety for hazardous zones such as powder-dense, flammable, or explosive industrial environments.

The ZZJ pneumatic slurry valve is a lightweight shut-off valve driven by a pneumatic actuator, specifically designed for media containing fibers, solid particles, or viscous slurries in mining, papermaking, coal washing, municipal sewage, and chemical production. Utilizing a knife-edge principle, the core component—the gate plate—performs a vertical reciprocating motion under the actuator's thrust. Through the sharp blade at the bottom of the plate, the valve effectively shears through impurities at the moment of closing and presses against the seat to achieve a tight seal. With its short face-to-face dimension, low resistance coefficient, excellent anti-clogging capabilities, and ease of automation, the ZZJ series is a critical execution device for handling harsh media in modern industrial fluid systems.Product Image of ZZJ Pneumatic Slurry Valve Feature1.Superior shearing and anti-jamming performance:The gate bottom is precision-machined into a wedge-shaped blade, providing a strong shearing action during closing to cut through fibers and crystals, completely solving the issues of jamming and seat damage common in traditional valves.2.Ultra-short structure for space saving:The wafer or narrow flange design ensures overall dimensions and weight are much lower than traditional gate valves. This saves installation space and significantly reduces the mechanical load on the pipeline and its supports.3.Full-bore design and low resistance:When fully open, the flow area matches the pipe exactly, ensuring unobstructed passage. This maximizes throughput, minimizes pressure drop, and prevents scale buildup within the valve cavity.4.Powerful and stable pneumatic drive:Equipped with high-performance pneumatic cylinders for large thrust and rapid cycling. It easily integrates with solenoid valves and limit switches for remote DCS or PLC automated control.5.Intrinsically safe attributes:Powered by clean compressed air, it eliminates spark risks and provides natural explosion-proof safety, ideal for dusty or flammable industrial environments.6.Versatile sealing options:Available with wear-resistant rubber soft seals or hard-faced alloy hard seals. The sealing pairs offer exceptional erosion resistance, ensuring long service life in abrasive media like slag and coal slurry.7.Precision guiding and alignment:Internal guide slots ensure the gate remains accurately positioned and uniformly stressed during movement, preventing eccentric wear or leaks caused by fluid impact.8.Modular maintenance:The simple structure has few wearing parts. The scientific connection between actuator and body allows for online inspection and replacement of gaskets or packing without removing the valve from the line.