Mosmatic 90036 brass check valve features a compact 3-inch design with 3/8″ NPTF inlet and outlet ports, engineered for low-pressure applications at 1.5 PSI and rated to 4000 PSI maximum working pressure; includes soft-spring mechanism for reliable backflow prevention.

Description

The Mosmatic 90.036 Check Valve is a brass low-pressure valve built for precision flow control in systems operating up to 4000 psi. Equipped with a soft spring, it opens at approximately 1.5 psi and closes around 2 psi, allowing it to operate effectively in low-pressure or sensitive flow applications.

With 3/8″ NPTF threads on both inlet and outlet and a 3″ overall length, the 90.036 offers easy installation and consistent performance in pneumatic, cleaning, or dosing systems.

Applications:

• Low-pressure fluid and chemical lines

• Compressed air tools

• Spray and rinse equipment

• Car wash and dosing systems

Features:

• Durable brass body

• Soft spring (~1.5 psi opening)

• 4000 psi pressure capacity

• Symmetric 3/8″ NPTF connections

• Compact yet sturdy 3″ build

Specs

Material: Brass
Max Pressure: 4000 psi
Opening Pressure: ~1.5 psi
Closing Pressure: ~2 psi
Inlet / Outlet: 3/8″ NPTF
Length: 3″
Nominal Width: 1/4″
Temperature: 200°F
Weight: 0.4 lbs

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