1" FNPT Forged Carbon Steel Piston Check Valve MPN:4371001530
1" FNPT Forged Carbon Steel Piston Check Valve
SHARPE VALVES 4371001530 is a 1 in. FNPT forged carbon steel piston check valve with an inline body design for one-way flow control in general-purpose steam and water service. It uses a piston check mechanism with a 10 psi cracking pressure and is intended for horizontal mounting. The valve is rated for up to 16 gpm flow for systems with one-way flow requirements in an inline body format.
Key Features:
- Valve type: Piston check valve with inline piston mechanism and 2-port inline flow path.
- Size and connections: 1 in. female NPT x female NPT connections.
- Body material: Forged carbon steel body.
- Internal materials: 316 stainless steel check mechanism and spring.
- Seal and seat materials: 304 stainless steel and graphite seal materials with a Stellite seat.
- Pressure ratings: 2000 psi at 100°F for water
- 800 psi WSP for steam
- 1600 psi maximum operating pressure.
- Temperature range: 0°F to 800°F.
- Flow data: Cv 6 with 16 gpm flow rating.
- Installation: Horizontal mounting orientation.
- Standards: Meets multiple applicable API, ASME, and NACE standards.
- Dimensions: 4.37 in. overall length
- 2 31/64 in. cap to inlet center
- 2 1/2 in. height from cap to inlet center.
Additional Information
- Country of Origin: CN
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 4.50
- Package Width: 3.00
- Package Height: 4.30
- Package Weight: 6.75
Product info last updated on February 4, 2026 9:12am UTC
Category: Pipes, Valves and Fittings