ASME B16.34 Piston Check Valve, ASTM A105, 1 Inch, 800 LB

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ASME B16.34 Piston Check Valve, ASTM A105, 1 Inch, 800 LB

Key Specifications / Features

Model No. : 185301017

This 1-inch (DN25) Class 800 forged piston check valve conforms to API 602 and ASME B16.34 and features socket-weld ends to ASME B16.11. Its A105 forged carbon steel body and bolted bonnet deliver outstanding mechanical strength for high-temperature, high-pressure working conditions. The piston-type lift structure provides dependable non-return performance. Tested per API 598, it offers stable sealing and easy disassembly for maintenance. Widely used for steam, hydrocarbon, and industrial process piping, it comes with complete material test reports.

Detail Information

Forged Steel Piston Check Valve, Class 800, Socket Weld End, API 602 

Product Name Piston Check Valve
Design Standard API 602, ASME B16.34
End Connection Socket Weld (SW), conforming to ASME B16.11
Size 1 Inch, DN25
Pressure Class 800 LB, PN130
Body Material ASTM A105 Forged Carbon Steel
Bonnet Bolted bonnet construction
Test Standard Hydrostatic test per API 598
Marking No. 25092401180

Core Advantages

- Piston-type lift structure, reliable non-return function, prevents medium backflow
- High-strength forged A105 carbon steel body, suited for high-pressure & high-temperature service
- Compact bolted bonnet design, easy disassembly for inspection and maintenance
- Stable sealing performance, available with full MTR
- Ideal for steam, oil, gas, and high-pressure process piping

Typical Applications

- Power station piping
- Petrochemical and refinery pipelines
- High-pressure steam systems
- Industrial process piping networks

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Founded in 2013, Bosseal is a professional industrial valve manufacturer based in Suzhou, China. We specialize in the design and production of Ball Valves, Gate Valves, Globe Valves, Check Valves, Butterfly Valves, Plug Valves, and Piping Strainers. All our products are manufactured in strict compliance with international standards, including API, ASME, ISO, DIN, BS, and EN. With a strong focus on quality control and engineering capability, we are committed to providing reliable and high-performance valve solutions for global industrial applications.

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