3/8" NPT Brass Spring Check Valve MPN:100003-3/8"
3/8" NPT Brass Spring Check Valve
BONOMI 100003-3/8 is a 3/8 in inline spring check valve with female NPT connections on both ends. The brass body and single-flow design provide automatic one-way flow control in general-purpose systems handling gas, oil, steam, or water, and are intended to reduce reverse flow. It can be mounted horizontally or vertically and features a 0.5 psi cracking pressure, flow rate of 4.28 gpm, and Cv of 2.1.
Key Features:
- 3/8 in nominal valve size with FNPT x FNPT connections
- Brass body construction
- Inline spring mechanism with spring check mechanism and inline body style
- For use with gas, oil, steam, and water
- Cracking pressure: 0.5 psi
- Flow rate: 4.28 gpm
- Cv: 2.1
- Maximum operating pressure: 400 psi
- maximum steam pressure: 125 psi WSP
- Operating temperature range: -4 degrees F to 366 degrees F
- Seal and seat materials: FKM/Viton
- Spring material: 302 stainless steel
- check mechanism material: PPS
- Overall length: 1.73 in
- overall height: 1-1/16 in
- width: 1.06 in
- Standards: ANSI B1.20.1
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: 1.50
- Package Weight: 0.21
Product info last updated on January 30, 2026 9:46pm UTC
Category: Pipes, Valves and Fittings