Overview

The J45F46 Y-pattern lined fluoroplastic globe valve is a precision shut-off control valve specifically engineered for highly corrosive fluid systems. This series covers nominal bore sizes from DN15 to DN250, with pressure ratings ranging from PN0.6 to PN1.6MPa, and features flanged end connections for standardized integration with corrosive media pipelines across chemical, petrochemical, metallurgical, and pharmaceutical industries. The valve incorporates a Y-pattern (oblique/straight-through) flow path design with a streamlined Y-shaped body configuration, offering significantly lower fluid resistance compared to straight-through pattern (J41) valves. This design is particularly well-suited for high-viscosity media, fluids containing solid particles, and corrosive services prone to crystallization or polymerization. The valve can be actuated via handwheel, pneumatic actuator, electric actuator, or worm gear drive, making it adaptable to a wide range of demanding corrosive shut-off applications. The valve body is available in cast iron, cast steel, and stainless steel substrates, lined with high-performance FEP (fluorinated ethylene propylene, F46) anti-corrosion layer. Combined with a specially engineered packing sealing system, it maintains exceptional sealing integrity and fatigue resistance across a service temperature range of -20°C to 150°C, establishing itself as an ideal core component in modern anti-corrosion fluid control engineering for handling difficult process media.

Product Image:J45F46 Y-pattern Lined Fluoroplastic Globe Valve

Feature

Wide Size Coverage and Diverse Actuation Options: Tailored for DN15 to DN250 pipelines, supporting pressure ratings from PN0.6 to PN1.6MPa, with four actuation options including handwheel, pneumatic, electric, and worm gear drive, perfectly suited for diverse corrosive fluid control requirements both domestically and internationally.

Optimized Y-Pattern Flow Path Design: The Y-type streamlined body configuration significantly reduces flow resistance and pressure drop across the valve, effectively mitigating erosive wear on sealing surfaces caused by high-velocity media. Additionally, this design substantially lowers the risk of media crystallization, polymerization, or sedimentation within the valve cavity, making it especially suitable for high-viscosity, particle-laden, or crystallizing corrosive media.

Superior Corrosion Resistance: All internal wetted parts are fully lined with F46 (FEP), offering exceptional chemical inertness. The valve reliably withstands prolonged exposure to strong acids (sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, aqua regia), strong alkalis, organic acids, organic solvents, and various highly corrosive gases and liquids, without degradation even under extreme chemical conditions.

Stable Performance Across a Wide Temperature Range: Through dedicated thermodynamic and sealing pair matching design, the valve operates reliably across a service temperature range of -20°C to 150°C, maintaining stable open/close performance and sealing integrity in complex environments involving alternating cryogenic and medium-temperature corrosive media.

Multi-Material Body Options for Tailored Applications: Cast iron (HT250) body offers cost-effectiveness for general corrosive services; cast steel (WCB) body provides high strength for medium-to-high pressure steam and elevated-temperature corrosive environments; stainless steel (CF8/CF8M) body is specifically engineered for strong oxidizing media or stringent cleanliness requirements, delivering exceptional pitting resistance and comprehensive acid/alkali resistance.