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ZJHM Piston Double-Acting Pneumatic Control Valve | Two-Way Globe Valve for Precise Flow & Pressure Regulation
The ZJHM pneumatic control valve provides precise flow, pressure, and temperature control in demanding industrial processes. Featuring a double-acting piston actuator and durable metal or soft sealing options, this globe valve ensures stable performance in high-pressure and high-temperature applications.
Selection Manual
Features
Engineered for precise flow control, durable performance, and reliable operation across various industrial applications.
✅ High-Precision Control Performance：Equipped with a pneumatic piston actuator and valve positioner supporting 4–20mA or HART signals, the valve delivers fast, accurate response for process automation systems.
✅ Flexible Design Options: Available in straight-through or angle body structures, with cone, needle, or V-shaped port configurations to suit different flow characteristics and industrial requirements.
✅ Durable Material Construction: Made from premium cast steel, stainless steel, or alloy steel (WCB, CF8M), with Stellite alloy overlay on sealing surfaces for excellent wear and corrosion resistance.
✅ Reliable Sealing and Low Leakage: Offers both metal hard seal for high-temperature/high-pressure conditions and soft seal (PTFE/graphite) for chemical compatibility, meeting ANSI Class IV leakage standards.
✅ Wide Industrial Applications: Ideal for use in chemical, petrochemical, power, and HVAC systems where accurate flow and pressure regulation are essential to ensure stable operation and efficiency.
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Parameters
Industry Applications
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Water Treatment
Chemical dosing (chlorine, pH adjusters), filtration systems -
Chemical Processing
Acid/alkali transfer, solvent blending lines -
HVAC Systems
Chilled water control, heat recovery units -
Aquaculture
Seawater flow diversion, ozone injection -
Plating Plants
Electrolyte management, waste neutralization
Browse our case studies or talk directly with our engineers to discuss your application.
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