2/2 Way Diaphragm Control Valve
2/2 Way Pneumatic Diaphragm Operated On/Off Valve
For Thermic Fluid & High-Temperature Applications (Up to 450°C)
Model: High Temp Series | IBR Approved
Designed to deliver exceptional performance under extreme temperature conditions, this 2/2 Way Pneumatic Diaphragm Operated Valve is ideal for on/off control of steam, gas, water, and thermic fluids. Engineered for reliability and durability in demanding industrial environments, the valve ensures tight shutoff, low leakage, and minimal maintenance—making it a robust solution for thermal oil systems and high-temperature process lines.
Technical Specifications & Standards
Size Range: 15 mm to 150 mm
Temperature Range: Up to 450°C Max
Shutoff Rating: Tight Shutoff, Leakage Class IV (FCI 70-2)
Leakage Class: CL IV for Metal-to-Metal Seal
Body Style: Metal to Metal Sealing
Design Standard: BS 6697
End Connection:
Flanged End – ASME B16.5, CL 150 / 300 (CL 600 Available on Request)
Face-to-Face: ISA 75.03 / IEC 534-3
Flange Drilling: ANSI 150#, 300#, 600#
Testing Standard: FCI 70-2
Certification: IBR Approved
Material of Construction
| Component | Material Options |
|---|---|
| Body | WCB, CF8, CF8M |
| Plug | SS 304 / SS 316 |
| Stem | SS 304 / SS 316 |
| Seat | Metal to Metal |
Features & Benefits
Excellent On/Off Performance – Ensures reliable shutoff in high-pressure and high-temperature operations
Long-Lasting Diaphragm – Engineered to withstand repeated cycles and extreme heat
Easy Maintenance – Modular design for quick servicing and part replacement
Economical Solution – Competitive pricing without compromising on quality or safety
High-Temperature Handling – Operates efficiently at temperatures up to 450°C
Typical Applications
✅ Thermic Fluid Systems
✅ High-Temperature Steam & Gas Lines
✅ Industrial Boilers & Heat Exchangers
✅ Petrochemical & Process Plants
✅ Water & Utility Control in Power Plants