Welded Check Valves
The Class 800# Welded Check Valve is designed for high-pressure applications where space, weight, and leak-free performance are critical. Featuring a welded cover, this valve ensures enhanced durability and a leak-proof design, making it ideal for handling high-pressure fluids in demanding environments such as oil & gas, chemical processing, and power generation.
| Pressure Class |
800 |
|---|
This valve operates automatically to prevent reverse flow, protecting sensitive equipment like pumps and compressors. Its welded connections provide a secure and permanent bond to the piping system, ensuring high integrity in high-pressure and high-temperature environments.
- Valve Size: Typically available from ½" to 2" (DN 15 to DN 50).
- Pressure Rating: Class 800#, with a maximum working pressure of 800 psi (55.2 bar) at 100°F.
- End Connections:
- Socket Weld Ends (SWE) as per ASME B16.11 for secure, leak-proof installations.
- Butt Weld Ends (BWE) as per ASME B16.25 for high-integrity welded connections.
- Body Material:
- Carbon Steel (ASTM A105) for high-pressure applications.
- Stainless Steel (ASTM A182 F304/F316) for enhanced resistance to corrosion and aggressive media.
- Disc Material: Hardened stainless steel or alloy steel for superior wear resistance.
- Sealing: Metal-to-metal seating for high-pressure applications, ensuring tight sealing and reliable performance.
- Design Standards: API 602, ASME B16.34 for compliance with international quality and performance standards.
- Welded Cover Design: The fully welded cover guarantees zero leakage, providing a durable and robust solution for high-pressure applications.
- Class 800# Pressure Rating: Rated to handle pressures up to 800 psi, suitable for medium to high-pressure systems.
- Non-Return Functionality: Automatically closes to prevent backflow, safeguarding critical equipment and optimizing system performance.
- Welded End Connections: The welded design ensures a permanent, high-strength connection to the pipeline, suitable for high-pressure systems requiring secure, leak-free performance.
- Compact and Durable: The valve’s compact design allows for easy integration into pipelines, and its rugged construction ensures long service life in demanding conditions.
- Corrosion Resistance: Available in materials like carbon steel and stainless steel to handle corrosive and harsh environments, ensuring durability and performance over time.
- Low Maintenance: The simple, efficient internal mechanism ensures reliable operation with minimal maintenance requirements.
Testing & Certification:
- Hydrostatic and pneumatic testing as per API 598.
- ISO 9001 certified manufacturing process.
- Optional NACE MR0175 compliance for sour gas applications.
