Check Valves
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Mosmatic Check Valve – 90.054 – 3", IN 3/8" NPTF x OUT 3/8" NPTF – INOX – 5000 psi
$94.79 USD
Unit price perMosmatic Check Valve – 90.054 – 3", IN 3/8" NPTF x OUT 3/8" NPTF – INOX – 5000 psi
$94.79 USD
Unit price perThe Mosmatic 90.054 Check Valve is a heavy-duty stainless steel (INOX) one-way valve designed for high-pressure applications up to 5000 psi. With 3/8" NPTF inlet and outlet, this valve is ideal for systems that require consistent, unidirectional flow and full-thread compatibility on both ends.
It features a hard spring mechanism that opens around 14 psi and closes near 20 psi, offering dependable backflow protection. Its 3" body length makes it a reliable and durable solution for industrial, fluid, and air systems operating under high pressure.
Applications:
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Industrial pressure washing systems
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Pneumatic equipment
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Closed-loop fluid control lines
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Spray systems with 3/8" threading
Features:
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INOX construction for maximum corrosion resistance
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Rated for 5000 psi
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Hard spring for reliable sealing
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3/8" NPTF female inlet and outlet
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Long 3" body for enhanced stability
Specs
Material: Stainless Steel (INOX)
Max Pressure: 5000 psi
Opening Pressure: ~14 psi
Closing Pressure: ~20 psi
Inlet / Outlet: 3/8" NPTF
Length: 3"
Nominal Width: 1/4"
Temperature: 200°F
Weight: 0.4 lbs
The Mosmatic 90.111 Check Valve is a premium-grade stainless steel component engineered for reliable backflow prevention in high-pressure applications. Designed with precision, this valve features a ¼" NPTF IN to ¼" NPTF OUT threading, offering seamless integration into a wide range of industrial and commercial fluid systems.
With a compact diameter of ¾" and an overall length of 2.1", the valve is built to perform under demanding conditions. It includes a hard spring mechanism with an opening pressure of 14 PSI and a closing pressure of 20 PSI. This check valve is rated to withstand operating pressures up to 4000 PSI and temperatures reaching 200°F, making it a trusted choice for maintaining system integrity in high-pressure environments.
Applications
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High-pressure cleaning systems
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Car wash systems
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Industrial fluid systems
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Water treatment and filtration units
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Pressure washer and pump protection
Key Features
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Durable stainless steel construction for corrosion resistance
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¼" NPTF IN and OUT threads for easy connection
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Compact ¾" diameter and 2.1" length
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Handles up to 4000 PSI and 200°F water temperature
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Precision-engineered hard spring: 14 PSI opening, 20 PSI closing
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Ensures one-way flow and prevents backflow in fluid systems
Specs
Material Type: Stainless Steel
Temperature: 200°F
Opening Pressure: 14 psi
Closing Pressure; 20 psi
Pressure: 4000 psi
Thread In: 1/4" NPTF
Thread Out: 1/4" NPTF
Diameter (D): ¾"
Nominal Width (NW): 1/4"
Length: 2.1"
Weight: 0.2 lbs
The Mosmatic 90.112 Check Valve is a precision-engineered stainless steel valve designed for efficient backflow prevention in high-pressure systems. Built with durability and performance in mind, this valve features a ¼" NPTF IN thread and a …œ" NPTF OUT thread, allowing versatile integration across various fluid handling setups.
Measuring 1" in diameter and 2.2" in length, this compact yet robust valve operates under pressures up to 4000 PSI and withstands water temperatures up to 200°F. Its hardened internal spring ensures optimal performance, with an opening pressure of 14 PSI and closing pressure of 20 PSI€"delivering secure and reliable one-way flow control in even the most demanding environments.
Applications
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High-pressure water systems
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Car wash installations
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Pressure washers and pumps
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Industrial and commercial fluid control
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Water filtration and treatment equipment
Features
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Constructed from high-grade stainless steel for long-term durability
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¼" NPTF IN to …œ" NPTF OUT threading for flexible system compatibility
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Compact design with 1" diameter and 2.2" length
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Supports up to 4000 PSI operating pressure
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Resists temperatures up to 200°F
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Features a hard spring with 14 PSI opening and 20 PSI closing pressure
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Ensures efficient one-way flow and backflow prevention
Specs
Material Type: Stainless Steel
Temperature: 200°F
Opening Pressure: 14 psi
Closing Pressure; 20 psi
Pressure: 4000 psi
Thread In: 1/4" NPTF
Thread Out: 3/8" NPTF
Diameter (D): 1"
Nominal Width (NW): 1/4"
Length: 2.2"
Weight: 0.2 lbs
The Mosmatic 90.113 Check Valve delivers dependable performance and long-lasting durability in high-pressure water systems. Made of corrosion-resistant stainless steel, this check valve is engineered for secure one-way flow with a …œ" NPTF IN thread and a ¼" NPTF OUT thread, offering easy integration with various system configurations.
With a robust build featuring a 1" diameter and a total length of 2.2", the valve supports pressures up to 4000 PSI and water temperatures up to 200°F. Its internal hard spring ensures reliable operation, activating at 14 PSI and closing at 20 PSI to prevent reverse flow and maintain consistent performance under stress.
Applications
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Pressure washer and pump systems
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Car wash equipment
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Industrial fluid control
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High-pressure water circuits
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Water filtration and backflow protection systems
Features
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Stainless steel construction for corrosion resistance and durability
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…œ" NPTF IN to ¼" NPTF OUT threading for system versatility
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Compact profile: 1" diameter, 2.2" length
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Rated for 4000 PSI and 200°F
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Hard spring mechanism: 14 PSI opening, 20 PSI closing
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Designed for secure backflow prevention in high-pressure systems
Specs
Material Type: Stainless Steel
Temperature: 200°F
Opening Pressure: 14 psi
Closing Pressure; 20 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
The Mosmatic 90.114 Check Valve is a high-performance stainless steel valve built for consistent and secure backflow prevention in high-pressure fluid systems. Featuring a …œ" NPTF inlet and …œ" NPTF outlet, this valve is engineered for compatibility with a wide range of industrial and commercial applications.
With a rugged 1" diameter and 2.3" overall length, this valve offers compact reliability without compromising strength. It handles up to 4000 PSI of pressure and endures water temperatures up to 200°F. A hardened internal spring ensures efficient one-way flow, with an opening pressure of 14 PSI and closing pressure of 20 PSI€"maintaining stable performance under demanding conditions.
Applications
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High-pressure water systems
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Pressure washers and pump protection
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Industrial cleaning equipment
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Car wash systems
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Water filtration and treatment setups
Features
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Constructed from premium stainless steel for corrosion resistance and longevity
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…œ" NPTF IN/OUT threads for seamless integration
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Compact body: 1" diameter, 2.3" length
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Withstands 4000 PSI of pressure and 200°F of temperature
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Hard spring operation: 14 PSI opening, 20 PSI closing
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Provides secure, one-way flow and prevents backflow effectively
Specs
Material Type: Stainless Steel
Temperature: 200°F
Opening Pressure: 14 psi
Closing Pressure; 20 psi
Pressure: 4000 psi
Thread In: 3/8" NPTF
Thread Out: 3/8" NPTF
Diameter (D): 1"
Nominal Width (NW): 1/4"
Length: 2.3"
Weight: 0.3 lbs
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
The Mosmatic 90.116 Check Valve is engineered for precision and durability in demanding water and fluid handling systems. Made of corrosion-resistant stainless steel, this valve is designed for systems requiring low opening pressure and robust performance. It features a ¼" NPTF IN thread and a …œ" NPTF OUT thread, allowing versatile integration into diverse configurations.
With a 1" diameter and extended 2.2" length, this valve is optimized for high flow capacity and low-resistance activation. It operates at an opening pressure of just 1.5 PSI and closes at 2 PSI€"ideal for sensitive systems where minimal pressure drop is critical. Rated for up to 4000 PSI and 200°F, the Mosmatic 90.116 delivers secure and efficient one-way flow control in both commercial and industrial environments.
Applications
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Low-pressure water and fluid systems
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Car wash and pressure cleaning equipment
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Water treatment and dosing systems
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High-precision industrial plumbing
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Reverse osmosis and filtration units
Features
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Stainless steel construction for superior corrosion resistance
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¼" NPTF IN to …œ" NPTF OUT threading for flexible connectivity
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Extended body: 1" diameter, 2.2" length
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Handles up to 4000 PSI pressure and 200°F water temperature
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Low-pressure spring: 1.5 PSI opening, 2 PSI closing
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Ensures one-way flow with minimal resistance for sensitive 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: 3/8" NPTF
Diameter (D): 1"
Nominal Width (NW): 1/4"
Length: 2.2"
Weight: 0.2 lbs
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
The Mosmatic 90.118 Check Valve is a precision-engineered stainless steel valve designed for reliable one-way flow in fluid systems that demand low opening pressure and robust construction. It features …œ" NPTF inlet and outlet threads, making it an ideal solution for fluid applications that require secure and consistent flow direction.
With a durable 1" diameter and 2.3" overall length, this check valve can handle operating pressures up to 4000 PSI and water temperatures of up to 200°F. Its hard spring mechanism delivers low-pressure operation, opening at just 1.5 PSI and closing at 2 PSI€"perfect for sensitive systems where minimal flow resistance is essential. Built for performance, this valve ensures dependable backflow prevention in even the most demanding environments.
Applications
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Low-pressure water systems
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High-pressure car wash and detailing equipment
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Pressure washers and pump systems
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Industrial water and chemical flow control
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Water purification and treatment plants
Features
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Stainless steel construction for enhanced durability and corrosion resistance
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…œ" NPTF IN/OUT threading for standard system compatibility
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Compact profile: 1" diameter, 2.3" length
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Rated for 4000 PSI and 200°F operation
-
Low-pressure spring: 1.5 PSI opening, 2 PSI closing
-
Delivers reliable one-way flow and effective backflow protection
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: 3/8" NPTF
Diameter (D): 1"
Nominal Width (NW): 1/4"
Length: 2.3"
Weight: 0.3 lbs
Mosmatic Check Valve – 90.058 – 3", IN 1/4" NPTF x OUT 3/8" NPTF – INOX – 5000 psi – Soft Spring
$94.79 USD
Unit price perMosmatic Check Valve – 90.058 – 3", IN 1/4" NPTF x OUT 3/8" NPTF – INOX – 5000 psi – Soft Spring
$94.79 USD
Unit price perThe Mosmatic 90.058 Check Valve is a stainless steel (INOX) valve designed for low-pressure activation, ideal for sensitive fluid control systems. Featuring a soft spring, the valve opens at ~1.5 psi and closes around 2 psi, enabling smooth, low-resistance flow while preventing backflow.
With a 1/4" NPTF inlet and a 3/8" NPTF outlet, this model offers a stepped connection and supports pressures up to 5000 psi—perfect for high-demand environments that still require soft-flow performance.
Applications:
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Spray and chemical dosing systems
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Industrial fluid control
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Pneumatic or compressed air equipment
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Systems requiring step-up thread configuration
Features:
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INOX stainless steel body
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Soft spring for gentle flow activation
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Rated to 5000 psi
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Threading: 1/4" NPTF inlet, 3/8" NPTF outlet
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3" body length for steady flow
Specs
Material: Stainless Steel (INOX)
Max Pressure: 5000 psi
Opening Pressure: ~1.5 psi
Closing Pressure: ~2 psi
Inlet: 1/4" NPTF
Outlet: 3/8" NPTF
Length: 3"
Nominal Width: 1/4"
Temperature: 200°F
Weight: 0.4 lbs
Mosmatic Check Valve – 90.057 – 2.4", IN 1/4" NPTF x OUT 1/4" NPTF – INOX – 5000 psi – Soft Spring
$94.79 USD
Unit price perMosmatic Check Valve – 90.057 – 2.4", IN 1/4" NPTF x OUT 1/4" NPTF – INOX – 5000 psi – Soft Spring
$94.79 USD
Unit price perThe Mosmatic 90.057 Check Valve is a stainless steel (INOX) low-pressure one-way valve featuring a soft spring, allowing for activation at approximately 1.5 psi and closing at ~2 psi. This makes it ideal for sensitive fluid systems and precise flow control, while still supporting pressures up to 5000 psi.
With 1/4" NPTF inlet and outlet, this compact 2.4" valve is a versatile solution for applications requiring low resistance and maximum durability.
Applications:
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Spray and misting systems
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Low-pressure dosing and detergent lines
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Compressed air and gas systems
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Fluid transfer with minimal backpressure
Features:
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INOX stainless steel body
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Soft spring (opens at ~1.5 psi)
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Rated for high pressure up to 5000 psi
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1/4" NPTF threaded inlet and outlet
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Compact and corrosion-resistant 2.4" design
Specs
Material: Stainless Steel (INOX)
Max Pressure: 5000 psi
Opening Pressure: ~1.5 psi
Closing Pressure: ~2 psi
Inlet / Outlet: 1/4" NPTF
Length: 2.4"
Nominal Width: 1/4"
Temperature: 200°F
Weight: 0.4 lbs
Mosmatic Check Valve – 90.056 – 3", IN 3/8" NPTF x OUT 3/8" NPTF – INOX – 5000 psi – Soft Spring
$94.79 USD
Unit price perMosmatic Check Valve – 90.056 – 3", IN 3/8" NPTF x OUT 3/8" NPTF – INOX – 5000 psi – Soft Spring
$94.79 USD
Unit price perThe Mosmatic 90.056 Check Valve is a high-quality stainless steel (INOX) valve designed for low-opening pressure applications, thanks to its integrated soft spring mechanism. Opening at just ~1.5 psi and closing at ~2 psi, this valve allows minimal resistance while maintaining secure, one-way flow control.
Featuring 3/8" NPTF inlet and outlet, the 90.056 is ideal for high-pressure environments up to 5000 psi, offering a reliable and corrosion-resistant solution for industrial fluid and air systems that require gentle flow activation.
Applications:
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Misting and low-pressure spray systems
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Industrial cleaning and chemical dosing
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High-pressure air and fluid systems
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Systems requiring low backpressure check valves
Features:
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INOX stainless steel construction
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Soft spring for ~1.5 psi opening
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Rated up to 5000 psi
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3/8" NPTF inlet and outlet
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Extended 3" length for high flow stability
Specs
Material: Stainless Steel (INOX)
Max Pressure: 5000 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
Mosmatic Check Valve – 90.055 – 2.4", IN 3/8" NPTF x OUT 1/4" NPTF – INOX – 5000 psi – Soft Spring
$94.79 USD
Unit price perMosmatic Check Valve – 90.055 – 2.4", IN 3/8" NPTF x OUT 1/4" NPTF – INOX – 5000 psi – Soft Spring
$94.79 USD
Unit price perThe 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:
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Low-pressure fluid control
-
Misting and spray systems
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Car wash and detergent dosing
-
High-precision pneumatic or hydraulic lines
Features:
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INOX stainless steel construction
-
Soft spring for low opening pressure (~1.5 psi)
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5000 psi max pressure rating
-
Compact 2.4" length
-
3/8" NPTF inlet x 1/4" NPTF outlet
Specs
Material: Stainless Steel (INOX)
Max Pressure: 5000 psi
Opening Pressure: ~1.5 psi
Closing Pressure: ~2 psi
Inlet: 3/8" NPTF
Outlet: 1/4" NPTF
Length: 2.4"
Nominal Width: 1/4"
Temperature: 200°F
Weight: 0.4 lbs
Mosmatic Check Valve – 90.038 – 3", IN 1/4" NPTF x OUT 3/8" NPTF – Brass – 4000 psi – Soft Spring
$84.26 USD
Unit price perMosmatic Check Valve – 90.038 – 3", IN 1/4" NPTF x OUT 3/8" NPTF – Brass – 4000 psi – Soft Spring
$84.26 USD
Unit price perThe Mosmatic 90.038 Check Valve is a brass-bodied valve engineered for applications requiring low opening pressure, made possible by its soft spring (~1.5 psi opening, ~2 psi closing). With a 1/4" NPTF inlet and 3/8" NPTF outlet, this model is ideal for fluid systems that need a smooth pressure transition and anti-backflow protection.
Its 3" length offers added flow stability, while the 4000 psi rating makes it suitable for general-purpose fluid and pneumatic installations.
Applications:
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Car wash and cleaning systems
-
Light-duty spray and dosing lines
-
Low-resistance backflow prevention
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Pneumatic and fluid step-up configurations
Features:
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Brass construction for reliability and economy
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Soft spring for low-pressure response
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1/4" NPTF inlet to 3/8" NPTF outlet
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Compact 3" form factor
-
Pressure rated to 4000 psi
Specs
Material: Brass
Max Pressure: 4000 psi
Opening Pressure: ~1.5 psi
Closing Pressure: ~2 psi
Inlet: 1/4" NPTF
Outlet: 3/8" NPTF
Length: 3"
Nominal Width: 1/4"
Temperature: 200°F
Weight: 0.4 lbs
Mosmatic Check Valve – 90.037 – 2.4", IN 1/4" NPTF x OUT 1/4" NPTF – Brass – 4000 psi – Soft Spring
$84.26 USD
Unit price perMosmatic Check Valve – 90.037 – 2.4", IN 1/4" NPTF x OUT 1/4" NPTF – Brass – 4000 psi – Soft Spring
$84.26 USD
Unit price perThe Mosmatic 90.037 Check Valve is a brass one-way valve equipped with a soft spring for low-opening pressure performance, activating at just ~1.5 psi. Its compact 2.4" design and 1/4" NPTF inlet/outlet make it ideal for use in fluid and air systems where smooth, low-resistance flow is essential.
Rated for up to 4000 psi, the 90.037 is an excellent choice for car wash, misting, or dosing systems that operate at moderate pressure but require precise flow control.
Applications:
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Low-pressure cleaning and rinsing systems
-
Pneumatic tools and lines
-
Chemical and fluid dosing setups
-
Compact industrial installations
Features:
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Brass body with corrosion resistance
-
Soft spring for gentle activation (~1.5 psi)
-
1/4" NPTF ports
-
4000 psi pressure capacity
-
Lightweight and compact design
Specs
Material: Brass
Max Pressure: 4000 psi
Opening Pressure: ~1.5 psi
Closing Pressure: ~2 psi
Inlet / Outlet: 1/4" NPTF
Length: 2.4"
Nominal Width: 1/4"
Temperature: 200°F
Weight: 0.4 lbs
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