1-1/2" NPT Stainless Steel Spring Check Valve MPN:S250-1 1/2"
1-1/2" NPT Stainless Steel Spring Check Valve
The BONOMI S250-1 1/2 check valve is an inline spring check valve for general-purpose flow control in gas, oil, and water systems. Configured for one-way flow applications and reverse-flow reduction. This 1-1/2 in. valve features a stainless steel body, FNPT x FNPT connections, a 0.5 psi cracking pressure, and can be mounted horizontally or vertically.
Key Features:
- Valve type: Check valve with inline spring design
- Size: 1-1/2 in. nominal valve size with 1-1/2 in. female NPT connections on both ends
- Body material: Stainless steel
- Internal materials: 316 stainless steel check mechanism and spring
- Seal and seat materials: FKM seat and Viton seal
- Flow rating: 48 gpm with a Cv of 47.4
- Pressure rating: 250 psi WOG
- maximum operating pressure 250 psi
- Temperature range: -4 degrees F to 302 degrees F
- Mounting orientation: Horizontal or vertical
- Standards and certifications: ANSI B1.20.1, NSF 372, NSF 61, AISI 316
- Dimensions: 4.53 in. overall length, 3-5/64 in. overall height, 3.07 in. width, 3 in. hex size
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: 5.80
- Package Width: 3.80
- Package Height: 3.10
- Package Weight: 0.90
Product info last updated on February 7, 2026 6:01pm UTC
Category: Pipes, Valves and Fittings