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Pneumatic Control Valve 

Function & Working
Pneumatic globe control valves modulate fluid flow by adjusting the plug position inside a contoured seat ring, controlled via pneumatic actuators with precise signal inputs (4–20 mA, 0.2–1.0 bar). Designed for linear or equal percentage characteristics, they ensure accurate pressure, temperature, and flow control in steam, gas, and liquid applications. 

Advantages 

• Fast, precise modulation with minimal hysteresis 

• High rangeability for wide operating conditions 

• Available with anti-cavitation trim and low-noise cages 

• Easy integration with positioners and feedback systems 

Types Offered 

• Single-seat globe control valve 

• Double-seat globe control valve 

• Angle globe control valve 

• Cage-guided globe control valve 

Industries Served
Oil & Gas, Power Generation, Marine, LNG, District Heating, Water Treatment 

Technical Specifications 

• Design Standards: DIN EN 1349, IEC 60534, ASME B16.34 

• Body Materials: WCB, LCB, CF8, CF8M, CF3M, Duplex, Super Duplex, Alloy 20 

• Pressure Ratings: PN10–PN400 / Class 150–2500 

• Size Range: DN15–DN600 

• End Connections: Flanged, Butt Weld, Socket Weld 

• Actuation Options: Pneumatic diaphragm/spring-return, double-acting, with electro-pneumatic positioner and manual override 

• Special Features: Low-emission packing per ISO 15848-1, fire-safe design, high-temperature bonnet extensions