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8 of 1359 products


Mosmatic Check Valve – 90.058 – 3", IN 1/4" NPTF x OUT 3/8" NPTF – INOX – 5000 psi – Soft Spring
Mosmatic Check Valve – 90.058 – 3", IN 1/4" NPTF x OUT 3/8" NPTF – INOX – 5000 psi – Soft Spring
The 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
Mosmatic Check Valve – 90.057 – 2.4", IN 1/4" NPTF x OUT 1/4" NPTF – INOX – 5000 psi – Soft Spring
The 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
Mosmatic Check Valve – 90.056 – 3", IN 3/8" NPTF x OUT 3/8" NPTF – INOX – 5000 psi – Soft Spring
The 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
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:
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Low-pressure fluid control
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Misting and spray systems
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Car wash and detergent dosing
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High-precision pneumatic or hydraulic lines
Features:
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INOX stainless steel construction
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Soft spring for low opening pressure (~1.5 psi)
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5000 psi max pressure rating
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Compact 2.4" length
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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 – 90.054 – 3", IN 3/8" NPTF x OUT 3/8" NPTF – INOX – 5000 psi
Mosmatic Check Valve – 90.054 – 3", IN 3/8" NPTF x OUT 3/8" NPTF – INOX – 5000 psi
The 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

Mosmatic Check Valve – 90.053 – 2.4", IN 3/8" NPTF x OUT 1/4" NPTF – INOX – 5000 psi
Mosmatic Check Valve – 90.053 – 2.4", IN 3/8" NPTF x OUT 1/4" NPTF – INOX – 5000 psi
The Mosmatic 90.053 Check Valve is a compact, high-pressure stainless steel (INOX) valve designed for unidirectional flow control in industrial and cleaning systems. It features a 3/8" NPTF inlet and a 1/4" NPTF outlet, offering flexibility for setups requiring a step-down connection.
Built with a hard spring mechanism, the valve opens at approximately 14 psi and closes at ~20 psi, making it ideal for use in systems requiring precise flow control and protection against backflow under high pressure.
Applications:
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Pressure washers and cleaning equipment
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Spray systems with stepped connection sizes
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Compressed air and fluid lines
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High-pressure industrial environments
Features:
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INOX (stainless steel) construction
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Rated up to 5000 psi
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3/8" NPTF inlet to 1/4" NPTF outlet
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Compact 2.4" design
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Reliable hard spring with consistent opening/closing pressures
Specs
Material: Stainless Steel (INOX)
Max Pressure: 5000 psi
Opening Pressure: ~14 psi
Closing Pressure: ~20 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 – 90.052 – 3", IN 1/4" NPTF x OUT 3/8" NPTF – INOX – 5000 psi
Mosmatic Check Valve – 90.052 – 3", IN 1/4" NPTF x OUT 3/8" NPTF – INOX – 5000 psi
The Mosmatic 90.052 Check Valve is a robust stainless steel (INOX) one-way valve engineered for high-pressure applications up to 5000 psi. Featuring a hard internal spring, it ensures flow opens at approximately 14 psi and closes near 20 psi, protecting your system from reverse flow and pressure surges.
This model includes a 1/4" NPTF inlet and a 3/8" NPTF outlet, allowing flexibility for mixed-connection installations, with a 3" body length that offers stability in demanding environments.
Applications:
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High-pressure cleaning equipment
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Industrial spray and fluid systems
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Pneumatic systems requiring secure check control
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Mixed-size fluid connections (1/4" to 3/8")
Features:
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Stainless steel (INOX) body for corrosion resistance
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High-pressure rating: 5000 psi
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Mixed connection: 1/4" NPTF inlet, 3/8" NPTF outlet
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Hardened spring for precise opening and closing
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Ideal for unidirectional control in harsh environments
Specs
Material: Stainless Steel (INOX)
Max Pressure: 5000 psi
Opening Pressure: ~14 psi
Closing Pressure: ~20 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 – 90.051 – 2.4", 1/4" NPTF Inlet x 1/4" NPTF Outlet – INOX – 5000 psi
Mosmatic Check Valve – 90.051 – 2.4", 1/4" NPTF Inlet x 1/4" NPTF Outlet – INOX – 5000 psi
The Mosmatic 90.051 Check Valve is a stainless steel (INOX) one-way valve designed for high-pressure applications up to 5000 psi. Built with a hard internal spring, it offers an opening pressure of ~14 psi and closing pressure of ~20 psi, ensuring secure flow control and preventing backflow in demanding systems.
With 1/4" NPTF inlet and outlet and a compact 2.4" body, this valve is ideal for pressure washers, industrial cleaning systems, and compressed air lines requiring high durability and precision sealing.
Applications:
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High-pressure cleaning systems
-
Industrial spray equipment
-
Pneumatic setups
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Fluid lines needing backflow protection
Features:
-
Stainless steel (INOX) construction
-
Opening pressure ~14 psi, closing pressure ~20 psi
-
High-pressure rating: 5000 psi
-
1/4" NPTF female inlet and outlet
-
Compact and corrosion-resistant
Specs
Material: Stainless Steel (INOX)
Max Pressure: 5000 psi
Opening Pressure: ~14 psi
Closing Pressure: ~20 psi
Inlet / Outlet: 1/4" NPTF
Length: 2.4"
Nominal Width: 1/4"
Temperature: 200°F
Weight: 0.4 lbs
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