ON/OFF Valves
QCNRV-High Pressure Check Valves Series CMI-C
QCNRV-High Pressure Check Valves Series CMI-C
The Chemoil QCNRV – High Pressure Check Valves Series CMI-C are precision-engineered non-return valves designed to prevent reverse flow in high-pressure systems. Built for demanding industrial applications, these valves provide reliable sealing, low pressure drop, and long service life in oil & gas, chemical processing, petrochemical, hydraulic, steam, and power generation industries.
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Key Features
- ✔️ High-pressure forged steel construction
- ✔️ Reliable non-return (backflow prevention) operation
- ✔️ Low cracking pressure for efficient flow
- ✔️ Metal-to-metal precision seating
- ✔️ Compact and robust design
- ✔️ Leak-tight sealing performance
- ✔️ Long maintenance-free service life
- ✔️ Available in threaded, socket weld, and butt weld ends
Technical Specifications
| Parameter | Details |
|---|---|
| Size Range | 1/4`` NB to 2`` NB |
| Valve Design | Swing Check Valve, Lift Check Valve & Piston Check Valve |
| Body Construction | Precision Forged Steel Construction |
| Body Materials | ASTM A105, LF2, F11, F22, F304, F304L, F316, F316L, F51, Monel, Inconel & Special Alloys |
| Seat Design | Metal Seat & Soft Seat (Optional) |
| Trim Materials | SS304, SS316, Stellite Hard Faced & Special Alloy Materials |
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