Extend the life and performance of your Mosmatic DYKI Swivel with the Mosmatic Seal Kit 36.917 - NW ⅜”. This carbide seal kit is designed specifically for DYKI Swivels with a nominal width of ⅜ inch, providing exceptional durability in underwater environments, including both saltwater and freshwater. Built to handle high pressure, high RPM, and both thrust and radial forces, this replacement kit is ideal for marine, offshore, and submerged cleaning applications. Count on leak-free, long-lasting performance in even the most demanding conditions.

Maintain the performance and reliability of your Mosmatic DYKI Swivel with the Mosmatic Seal Kit 36.916 - NW 1/4”. This high-quality carbide seal kit is engineered for DYKI Swivels with a nominal width of ¼ inch, designed to withstand the extreme demands of underwater applications in both saltwater and freshwater environments. Built for high-pressure, high-RPM systems, it offers excellent resistance to thrust and radial forces. Ideal for marine-grade cleaning equipment, this replacement kit ensures long-lasting, leak-free swivel operation.

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:

• Spray and chemical dosing systems

• Industrial fluid control

• Pneumatic or compressed air equipment

• Systems requiring step-up thread configuration

Features:

• INOX stainless steel body

• Soft spring for gentle flow activation

• Rated to 5000 psi

• Threading: 1/4" NPTF inlet, 3/8" NPTF outlet

• 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

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:

• Spray and misting systems

• Low-pressure dosing and detergent lines

• Compressed air and gas systems

• Fluid transfer with minimal backpressure

Features:

• INOX stainless steel body

• Soft spring (opens at ~1.5 psi)

• Rated for high pressure up to 5000 psi

• 1/4" NPTF threaded inlet and outlet

• 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

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:

• Misting and low-pressure spray systems

• Industrial cleaning and chemical dosing

• High-pressure air and fluid systems

• Systems requiring low backpressure check valves

Features:

• INOX stainless steel construction

• Soft spring for ~1.5 psi opening

• Rated up to 5000 psi

• 3/8" NPTF inlet and outlet

• 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

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:

• Low-pressure fluid control

• Misting and spray systems

• Car wash and detergent dosing

• High-precision pneumatic or hydraulic lines

Features:

• INOX stainless steel construction

• Soft spring for low opening pressure (~1.5 psi)

• 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

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:

• Industrial pressure washing systems

• Pneumatic equipment

• Closed-loop fluid control lines

• Spray systems with 3/8" threading

Features:

• INOX construction for maximum corrosion resistance

• Rated for 5000 psi

• Hard spring for reliable sealing

• 3/8" NPTF female inlet and outlet

• 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 90.053 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:

• Pressure washers and cleaning equipment

• Spray systems with stepped connection sizes

• Compressed air and fluid lines

• High-pressure industrial environments

Features:

• INOX (stainless steel) construction

• Rated up to 5000 psi

• 3/8" NPTF inlet to 1/4" NPTF outlet

• Compact 2.4" design

• 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

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:

• High-pressure cleaning equipment

• Industrial spray and fluid systems

• Pneumatic systems requiring secure check control

• Mixed-size fluid connections (1/4" to 3/8")

Features:

• Stainless steel (INOX) body for corrosion resistance

• High-pressure rating: 5000 psi

• Mixed connection: 1/4" NPTF inlet, 3/8" NPTF outlet

• Hardened spring for precise opening and closing

• 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

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:

• High-pressure cleaning systems

• Industrial spray equipment

• Pneumatic setups

• 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

The Mosmatic 54.653 Swivel is a rugged 360° rotary union engineered for high-pressure cleaning and fluid systems operating up to 5000 psi. It features 3/8" NPTF female inlet and 3/8" NPTM male outlet connections, offering full-thread compatibility for seamless integration with hoses, guns, lances, and other pressure components.

With its nickel-plated brass body, stainless steel internal components, and precision-sealed ball bearings, the 54.653 ensures smooth, reliable rotation and long service life in the most demanding environments.

Applications

• Professional pressure washer systems

• Hose reels and lances

• Car wash bays and booms

• High-pressure surface cleaners

• Industrial cleaning and fluid transfer setups

Features

• 360° continuous rotation

• Pressure rated up to 5000 psi

• 3/8" NPTF (F) inlet x 3/8" NPTM outlet

• Durable and compact with smooth bearing system

• Protects hoses from twisting and wear

• Corrosion-resistant materials and sealed internal design

Specs

Part Number: 54.653
Max Pressure: 5000 psi
G1 (Female Inlet): 3/8" NPTF
G2 (Male Outlet): 3/8" NPTM
Nominal Width (NW): 3/8"
Spanner Size (SW1): 0.63
Length L1: 2.87"
Total Length (L2): 4.33"
Rotating Section (L3): 0.51"
Diameter D1: 2.17"
Diameter D2: 0.79
Weight: 2.56 oz
Body Material: Nickel-plated brass
Internal Material: Stainless steel
Seal Type: O-ring (NBR or Viton)
Temperature: Up to 250°F

The Mosmatic 54.163 Swivel is a high-pressure 360° rotary union built for demanding industrial and cleaning applications. With a 3/8" NPTF female inlet and a G3/8" male outlet, this swivel is optimized for systems that require robust, leak-free rotation and compatibility with mixed-thread components.

Designed to withstand pressures up to 5000 psi, the 54.163 helps prevent hose twisting, extends hose life, and enhances operator comfort. Its nickel-plated brass body, stainless steel internal parts, and precision ball bearings ensure exceptional durability and smooth operation even under continuous high-pressure use.

Applications

• Pressure washer hose reels and wands

• Car wash booms and lances

• Surface cleaners and mobile wash equipment

• Industrial fluid and air handling systems

• Any system requiring smooth 360° swivel function

Features

• Full 360° rotation for tangle-free operation

• Pressure rated up to 5000 psi

• 3/8" NPTF inlet x G3/8" M outlet

• Durable, corrosion-resistant construction

• Compact and lightweight (2.56 oz)

• Internal stainless steel components and sealed bearing system

Specs

Part Number: 54.163
Max Pressure: 5000 psi
G1 (Female Inlet): 3/8" NPTF
G2 (Male Outlet): G3/8" M
Nominal Width (NW): 1/4"
Spanner Size (SW1): 0.63
Length L1: 2.87"
Total Length (L2): 4.29"
Rotating Section (L3): 0.47"
Diameter D1: 2.17"
Diameter D2: 0.79
Weight: 2.56 oz
Body Material: Nickel-plated brass
Internal Material: Stainless steel
Seal Type: O-ring (NBR or Viton depending on configuration)
Temperature: Up to 250°F

The Mosmatic 54.063 Swivel is a high-performance rotary union designed for use in high-pressure cleaning and fluid handling systems up to 5000 psi. This swivel features a 1/4" NPTF female inlet and a G3/8" male outlet, making it an ideal solution when connecting components with mixed thread types.

The 360° swivel action helps reduce hose twisting, operator fatigue, and wear on connected components. Manufactured with a nickel-plated brass body, stainless steel internal components, and high-quality ball bearings, it ensures smooth rotation and extended service life under demanding conditions.

Applications

• Pressure washer spray guns and lances

• High-pressure hose reels

• Car wash booms and bays

• Mobile cleaning systems

• Industrial wash-down and fluid transfer lines

Features

• 360° full-rotation swivel

• Rated up to 5000 psi

• Compact and lightweight at only 2.54 oz

• Mixed threading: 1/4" NPTF (F) x G3/8" (M)

• Smooth operation with precision bearings

• Durable nickel-plated brass housing

• Sealed system for long-term performance

Specs

Part Number: 54.063
Max Pressure: 5000 psi
G1 (Female Inlet): 1/4" NPTF
G2 (Male Outlet): G3/8" M
Nominal Width (NW): 1/4"
Spanner Size (SW1): 0.63
Length L1: 2.80"
Total Length (L2): 4.21"
Rotating Section (L3): 0.47"
Diameter D1: 2.17"
Diameter D2: 0.79
Weight: 2.54 oz
Body Material: Nickel-plated brass
Internal Material: Stainless steel
Seal Type: O-ring (NBR or Viton depending on application)
Temperature: Up to 250°F

The Mosmatic 54.663 Swivel is a professional-grade 360° rotary union engineered for high-pressure systems up to 5000 psi. With a 3/8" NPTF female inlet and a G3/8" male outlet, this model is ideal for setups requiring compatibility between NPT and BSPP (G-thread) components.

This swivel is widely used in pressure washer lances, reels, and rotating arms, where its sealed bearing system, nickel-plated brass housing, and stainless steel internal parts ensure smooth, long-lasting rotation—even under continuous use in harsh environments.

Applications

• Pressure washer guns and reels

• Car wash systems and bays

• Hose booms and rotating connections

• Surface cleaners and spray wands

• Industrial fluid systems with mixed-thread connections

Features

• Full 360° rotation

• Rated up to 5000 psi

• 3/8" NPTF (F) inlet x G3/8" (M) outlet

• Lightweight and compact (2.56 oz)

• Nickel-plated brass body with stainless steel internals

• Reduces hose wear and prevents kinks

• Maintenance-free, sealed bearing design

Specs

Part Number: 54.663
Max Pressure: 5000 psi
G1 (Female Inlet): 3/8" NPTF
G2 (Male Outlet): G3/8" M
Nominal Width (NW): 3/8"
Spanner Size (SW1): 0.63
Length L1: 2.87"
Total Length (L2): 4.29"
Rotating Section (L3): 0.47"
Diameter D1: 2.17"
Diameter D2: 0.79
Weight: 2.56 oz
Body Material: Nickel-plated brass
Internal Material: Stainless steel
Seal Type: O-ring (NBR or Viton depending on application)
Temperature: Up to 250°F