Description
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
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Low-pressure fluid delivery systems
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Water filtration and purification systems
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Car wash and pressure washer applications
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Industrial pump and plumbing setups
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Chemical and water dosing systems
Features
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Made from high-quality stainless steel for corrosion resistance
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¼” NPTF IN/OUT thread compatibility
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Compact form factor: 3/4″ diameter, 2.1″ length
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Supports up to 4000 PSI and 200°F max temperature
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Low-pressure spring: 1.5 PSI opening, 2 PSI closing
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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

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