Mosmatic Check Valve - 90.115 - 1/4" NPTF to 1/4" NPTF

The Mosmatic 90.115 Check Valve is a stainless steel, high-efficiency flow control component designed for applications that require low opening pressure and high durability. With a ¼" NPTF IN and OUT thread configuration, this valve provides reliable backflow protection in systems demanding accurate low-pressure activation.

Built to endure tough operating environments, it measures 3/4" in diameter and 2.1" in length. This check valve operates with a soft-opening hard spring calibrated to 1.5 PSI opening and 2 PSI closing pressure€"ideal for sensitive systems needing low-resistance flow. It withstands pressures up to 4000 PSI and water temperatures of up to 200°F, making it a dependable choice for precision fluid systems.

Applications

• Low-pressure fluid delivery systems

• Water filtration and purification systems

• Car wash and pressure washer applications

• Industrial pump and plumbing setups

• Chemical and water dosing systems

Features

• Made from high-quality stainless steel for corrosion resistance

• ¼" NPTF IN/OUT thread compatibility

• Compact form factor: 3/4" diameter, 2.1" length

• Supports up to 4000 PSI and 200°F max temperature

• Low-pressure spring: 1.5 PSI opening, 2 PSI closing

• Optimized for sensitive backflow prevention in high-precision systems

Specs

Material Type: Stainless Steel

Temperature: 200°F

Opening Pressure: 1.5 psi

Closing Pressure: 2 psi

Pressure: 4000 psi

Thread In: 1/4" NPTF

Thread Out: 1/4" NPTF

Diameter (D): 3/4"

Nominal Width (NW): 1/4"

Length: 2.1"

Weight: 0.2 lbs