4" NPT Brass Spring Check Valve MPN:100003-4"
4" NPT Brass Spring Check Valve
This 4in NPT Brass Spring Check Valve from BONOMI is a reliable and efficient solution for various industrial applications. Suitable for use in both horizontal and vertical orientations, this valve allows for fluid flow in one direction while preventing backflow, ensuring a secure and leak-free operation. With a cracking pressure of 0.5 psi, it is ideal for applications requiring low pressure drop. The valve's high temperature and pressure ratings make it suitable for use in water and steam systems, and its stainless steel spring and Viton seat ensure durability and resistance to corrosion.
Top product features:
- 4in NPT Brass Spring Check Valve has a single flow design that allows for inline installation.
- It features a spring mechanism that provides a cracking pressure of 0.5 psi.
- The valve has a stainless steel spring and a Viton seat that can withstand temperatures up to 352 Degrees F and water pressures up to 400 psi.
Top product applications:
- Boiler systems
- Pumping systems
- Hydronic heating systems
Item - Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Spring, Body Material - Valves Brass, Pipe or Tube Size 4 in, Connection Type FNPT x FNPT, Cracking Pressure 0.5 psi, Mounting Orientation Horizontal, Vertical, Max. Temp. - Valves 352 Degrees F, Min. Temp. - Valves 0 Degrees F, Max. Water Pressure - Valves 400 psi, Max. Steam Pressure - Valves 125 psi WSP, Seat Material Viton, Spring Material Stainless Steel, Flow - Valves 224 gpm, Full Flow - Valves Yes
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: 6.50
- Package Width: 6.50
- Package Height: 5.70
- Package Weight: 11.69
Product info last updated on March 28, 2026 7:17pm UTC
Category: Pipes, Valves and Fittings