Mosmatic Check Valve – 90.055 – 2.4", IN 3/8" NPTF x OUT 1/4" NPTF – INOX – 5000 psi – Soft Spring

The Mosmatic 90.055 Check Valve is a stainless steel (INOX) one-way valve equipped with a soft spring, making it ideal for low-pressure applications where minimal opening force is required. With an opening pressure of ~1.5 psi and closing pressure of ~2 psi, this valve allows for smooth, low-resistance fluid flow while maintaining backflow protection.

Designed with a 3/8" NPTF inlet and a 1/4" NPTF outlet, the 90.055 is rated up to 5000 psi and built for industrial use, including gentle flow systems, misting, and delicate fluid handling applications.

Applications:

• Low-pressure fluid control

• Misting and spray systems

• Car wash and detergent dosing

• High-precision pneumatic or hydraulic lines

Features:

• INOX stainless steel construction

• Soft spring for low opening pressure (~1.5 psi)

• 5000 psi max pressure rating

• Compact 2.4" length

• 3/8" NPTF inlet x 1/4" NPTF outlet