1/2" NPT Brass Spring Check Valve MPN:100003-1/2"
1/2" NPT Brass Spring Check Valve
The BONOMI 100003-1/2 is a 1/2 in inline spring check valve with a brass body and FNPT x FNPT connections. It is for use with gas, oil, steam, and water for one-direction flow applications in piping systems. The single-flow, full-flow design uses a swing check mechanism with a 0.5 psi cracking pressure. Mounting orientation: horizontal or vertical.
Key Features:
- 1/2 in nominal valve size with 1/2 in female NPT connections on both ends
- Brass body construction
- Inline spring body design with swing check mechanism
- Media: gas, oil, steam, water
- Cracking pressure: 0.5 psi
- Flow rate: 6.7 gpm
- Cv: 9.2
- Full-flow design
- Maximum operating pressure: 400 psi
- Maximum steam pressure: 125 psi WSP
- Operating temperature range: -4 degrees F to 366 degrees F
- Seat and seal material: FKM/Viton
- Spring material: 302 stainless steel
- Check mechanism material: PPS
- Overall length: 2.22 in
- overall height: 1-3/8 in
- width: 1.35 in
- Standards: ANSI B1.20.1
- Mounting orientation: horizontal or vertical
Additional Information
- Country of Origin: IT
- 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: 2.50
- Package Width: 1.50
- Package Height: 1.30
- Package Weight: 0.35
Product info last updated on January 30, 2026 9:45pm UTC
Category: Pipes, Valves and Fittings