Mosmatic Check Valve – 90.052 – 3", IN 1/4" NPTF x OUT 3/8" NPTF – INOX – 5000 psi

The Mosmatic 90.052 Check Valve is a robust stainless steel (INOX) one-way valve engineered for high-pressure applications up to 5000 psi. Featuring a hard internal spring, it ensures flow opens at approximately 14 psi and closes near 20 psi, protecting your system from reverse flow and pressure surges.

This model includes a 1/4" NPTF inlet and a 3/8" NPTF outlet, allowing flexibility for mixed-connection installations, with a 3" body length that offers stability in demanding environments.

Applications:

• High-pressure cleaning equipment

• Industrial spray and fluid systems

• Pneumatic systems requiring secure check control

• Mixed-size fluid connections (1/4" to 3/8")

Features:

• Stainless steel (INOX) body for corrosion resistance

• High-pressure rating: 5000 psi

• Mixed connection: 1/4" NPTF inlet, 3/8" NPTF outlet

• Hardened spring for precise opening and closing

• Ideal for unidirectional control in harsh environments

Material: Stainless Steel (INOX)
Max Pressure: 5000 psi
Opening Pressure: ~14 psi
Closing Pressure: ~20 psi
Inlet: 1/4" NPTF
Outlet: 3/8" NPTF
Length: 3"
Nominal Width: 1/4"
Temperature: 200°F
Weight: 0.4 lbs