Description
The Mosmatic 90.117 Check Valve is a high-quality stainless steel valve engineered to provide reliable, low-resistance backflow prevention in sensitive fluid systems. It features a …œ” NPTF inlet and a ¼” NPTF outlet, designed to integrate seamlessly into high-performance applications that require precision flow control.
Compact in design with a 1″ diameter and 2.2″ length, this check valve supports pressures up to 4000 PSI and water temperatures as high as 200°F. Its internal hard spring activates at a low 1.5 PSI and closes at 2 PSI€”ideal for operations where maintaining minimal opening pressure is critical to system efficiency and accuracy.
Applications
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Low-pressure water delivery systems
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Reverse osmosis and water filtration units
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Pressure washing and detailing equipment
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Industrial pump and fluid control setups
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Chemical processing and dosing systems
Key Features
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Built from durable stainless steel for long-term corrosion resistance
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…œ” NPTF IN to ¼” NPTF OUT for versatile system connections
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Slim, compact body: 1″ diameter, 2.2″ length
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Withstands up to 4000 PSI pressure and 200°F temperature
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Low opening spring: activates at 1.5 PSI, closes at 2 PSI
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Designed for precise, one-way flow control in sensitive systems

Specs
Material Type: Stainless Steel
Temperature: 200°F
Opening Pressure: 1.5 psi
Closing Pressure: 2 psi
Pressure: 4000 psi
Thread In: 3/8″ NPTF
Thread Out: 1/4″ NPTF
Diameter (D): 1″
Nominal Width (NW): 1/4″
Length: 2.2″
Weight: 0.2 lbs

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