SS 316 Piston Check Valve, 1/2 Inch, DN15, 150 LB, API 602

Key Specifications / Features

Model No. : 185301013

The item is a small-bore forged stainless steel piston check valve for horizontal pipeline installation. Flow is guided through a piston that lifts from the seat under forward flow and closes back against it when the flow stops or reverses, so the valve is held closed by the returning medium rather than by a spring. The bonnet cap sits on the body and is retained by bolted studs and nuts, which allows the internals to be inspected or replaced on site. Both end ports are fitted with red protective caps for shipping and storage.


Detail Information

Valve type: forged stainless steel Piston check valve
Nominal size: 1/2 Inch, equivalent to DN15
Pressure class: Class 150 LB, PN20
Design standard: API 602
Body material: SS 316
Disc material: SS 316
Seat material: SS 316
Pin material: SS 316
End connection: Socket weld ends to ASME B16.11
Face-to-face dimension: Per ASME B16.10
Test standard: API 598 shell and seat tests
Service specification: NACE MR0175 / ISO 15156

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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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