Lift Check Valve

Technical specification
Design & manufacturing standard as per API 6D /BS 1868
Face to face standard as per API 6D / ASME B16.10
Fanged ends standard as per ASME B16.5/ ASME B16.25
Testing & inspection standard as per API598 /API 6D

Product Range
Body material: Carbon steel, Stainless steel, Alloy steel ,Monel, Duplex, Inconel
Size range(s):1/2"～16"
Pressure Rating: Class900～Class 2500
End connection: RF, RTJ,BW
Working temperature:-29℃～+560℃

Good design and Construction
The Lift Check Valve is manufactured according to limit industry standards, ensuring quality, safety, and longevity. It adheres to API 6D and BS 1868 design standards, providing a high level of reliability. The face-to-face dimensions comply with API 6D and ASME B16.10, while the flanged ends meet ASME B16.5 and ASME B16.25 specifications.

Robust Material Selection
To meet the requirements of various applications, the Lift Check Valve is available in multiple material options, including:
- Carbon Steel – Ideal for general industrial applications due to its strength and cost-effectiveness.
- Stainless Steel – Provides good corrosion resistance in harsh environments.
- Alloy Steel – Suitable for high-pressure and high-temperature operations.
- Monel, Duplex, and Inconel – Designed for good resistance to to the limit temperatures, corrosion, and aggressive media.

Key Features and Advantages
1. Reliable Sealing Performance
   - The Lift Check Valve features conical seating surfaces that ensure a secure and leak-free seal, reducing the risk of backflow.
   
2. Efficient Flow Control
   - The lift piston-type disc moves in a linear motion, allowing rapid closure and smallest resistance to forward flow.
   
3. Spring-Loaded Design for Enhanced Closure
   - An optional spring mechanism above the disc provides additional closing force, ensuring a quick and effective shut-off when needed.
   
4. Smallest Water Hammer Effect
   - Due to the controlled and smooth movement of the disc, the Lift Check Valve relatively small the potential for water hammer, which can damage piping systems.
   
5. Compact and Durable Construction
   - Designed with a compact structure, the Lift Check Valve offers high strength and resistance to wear, making it ideal for continuous operation in challenging environments.
   
6. Versatile End Connection Options
   - Available with RF (Raised Face), RTJ (Ring-Type Joint), and BW (Butt Weld) connections, making it adaptable to different pipeline configurations.
   
7. Wide Operating Temperature and Pressure Range
   - With a working temperature range of -29℃ to +560℃ and a pressure rating from Class 900 to Class 2500, the Lift Check Valve is capable of performing efficiently under to the limit conditions.
   
8. Internal and Through-Body Hinge Pin Design
   - The Lift Check Valve is equipped with an internal hinge pin as standard, with an optional through-body hinge pin design available for enhanced stability and durability.
   

Applications
The Lift Check Valve is widely used in industries where backflow prevention is critical, such as:
- Oil and Gas Pipelines – Ensures unidirectional flow in high-pressure environments.
- Petrochemical and Chemical Processing – Provides reliable sealing in corrosive and high-temperature conditions.
- Power Plants – Essential for maintaining system integrity in steam and cooling water systems.
- Water Treatment Facilities – Prevents contamination and ensures smooth operation in municipal and industrial water systems.
- Marine and Offshore Applications – Designed to withstand to the limit environmental conditions in seawater and offshore operations.

The Lift Check Valve is a high-performance, durable, and reliable solution for preventing backflow in various industrial applications. Its advanced design, robust material selection, and good sealing capabilities make it an essential component for systems requiring efficient and dependable flow control.