| BODY | COVER | ASTM A 216 Gr WCB | WC1 | WC6 | WC9 | LCB |
| TRIMS | 13 Cr | 18 Cr 8 Ni |
| MFG STD | BS 1868 |
| INSP & TEST STD | BS 6755 |
| ENDS | FLANGED TO ASME B 16.5 RF |
| HYD-TEST PRESSURE | BODY : 5575 Psig (392 Kg / Cm ²) |
| SEAT : 4080 Psig (287 Kg/Cm ²) | |
| SIZE RANGE | 50 MM TO 600 MM |
The Non Return Valve Class 2500, Swing Type with Bolted Cover, is built to perform in the most demanding high-pressure environments. Engineered for critical applications in oil & gas, petrochemical, power generation, and high-pressure steam systems, this valve provides robust protection against reverse flow, ensuring operational safety and system integrity.
With a swing-type disc mechanism, it offers smooth, low-resistance flow and fast shut-off during pressure reversal. The bolted cover design facilitates secure sealing and convenient maintenance access. Constructed using high-grade materials such as WCB, CF8M, SS 316, and other alloys, the valve ensures exceptional durability, resistance to high temperatures, and pressure fluctuations.
Key Features:
Valve Type: Swing Type Non Return Valve (NRV)
Pressure Rating: Class 2500
Body Materials: WCB, CF8M, SS 316, Inconel, and other high alloys
End Connections: Flanged (ANSI B16.5) or Butt Welded (ASME B16.25)
Cover Type: Bolted Cover
Standards: API 6D / ASME B16.34 / API 594
Applications: High-Pressure Oil & Gas, Refining, Power Plants, Steam Lines
Leakage Class: Class VI
Temperature Range: Up to 500°C (material dependent)
The Class 2500 Non Return Valve – Swing Type is a reliable solution for ultra-high-pressure systems where backflow prevention and long-term performance are critical.
The Non Return Valve Class 2500, Swing Type with Bolted Cover, is built to perform in the most demanding high-pressure environments. Engineered for critical applications in oil & gas, petrochemical, power generation, and high-pressure steam systems, this valve provides robust protection against reverse flow, ensuring operational safety and system integrity.
With a swing-type disc mechanism, it offers smooth, low-resistance flow and fast shut-off during pressure reversal. The bolted cover design facilitates secure sealing and convenient maintenance access. Constructed using high-grade materials such as WCB, CF8M, SS 316, and other alloys, the valve ensures exceptional durability, resistance to high temperatures, and pressure fluctuations.
Key Features:
Valve Type: Swing Type Non Return Valve (NRV)
Pressure Rating: Class 2500
Body Materials: WCB, CF8M, SS 316, Inconel, and other high alloys
End Connections: Flanged (ANSI B16.5) or Butt Welded (ASME B16.25)
Cover Type: Bolted Cover
Standards: API 6D / ASME B16.34 / API 594
Applications: High-Pressure Oil & Gas, Refining, Power Plants, Steam Lines
Leakage Class: Class VI
Temperature Range: Up to 500°C (material dependent)
The Class 2500 Non Return Valve – Swing Type is a reliable solution for ultra-high-pressure systems where backflow prevention and long-term performance are critical.
