HP Coupling
HP Couplings engineered to provide secure, high-pressure connections between hoses, guns, wands, and accessories. These heavy-duty components ensure stable, leak-free performance during demanding cleaning tasks, making them essential for maintaining consistent pressure and reliable operation on every job.
As a key part of professional pressure washing setups, HP couplings are built to withstand extreme pressure levels while delivering smooth, uninterrupted water flow. Their robust construction, precision threading, and tight sealing capabilities help prevent blowouts, reduce wear on equipment, and support safe, efficient workflow in residential, commercial, and industrial environments.
This collection is ideal for pressure washing professionals who need dependable connection hardware that keeps equipment performing at its best. With compatibility across a wide range of high-pressure tools and hoses, HP couplings play a crucial role in maintaining durability, safety, and operational stability.
Use these HP couplings as part of a complete pressure washing system to ensure secure fittings, reduce downtime, and enhance overall equipment performance. With strong, reliable connections in place, you can work confidently and deliver consistent, professional-grade cleaning results on every project.
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The Mosmatic 70.016 High-Pressure Quick Connect Coupling is designed for efficient, secure connections in professional pressure washing systems. Constructed from high-grade stainless steel, it offers superior durability and corrosion resistance in high-pressure environments.
This male-threaded coupling allows for quick assembly and disassembly of hoses, spray guns, and lances, reducing setup time and increasing productivity. It features a 1/4" NPTM thread, 0.47" diameter, and 1/4" nominal width (NW), ensuring compatibility with standard pressure washing components. Rated for up to 5000 PSI with a wrench size (SW) of 0.87", it delivers leak-proof performance for industrial and commercial use.
Applications
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High-pressure washer hose and gun connections
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Commercial and industrial cleaning equipment
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Quick-connect systems for spray wands and lances
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Car wash and surface cleaning operations
Key Features
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Made from 100% stainless steel for corrosion resistance and strength
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1/4" NPTM thread, 0.47" diameter, and 1/4" nominal width (NW)
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Wrench Size (SW): 0.87"
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Rated for up to 5000 PSI
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Enables fast, secure, and leak-free connections
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Ideal for quick tool changes in pressure washing systems
Specs
Material Type: Stainless Steel
Pressure: 5000psi
Thread: 1/4" NPTM
Nominal Width (NW): 1/4"
Wrench Size (SW): 0.87"
Diameter: 0.47"
Weight - 2.80 lbs
The Mosmatic 70.028 High-Pressure Quick Connect Plug is engineered for fast, secure, and leak-proof connections in high-pressure cleaning systems. Made from 100% stainless steel, this male-threaded plug offers excellent strength, durability, and corrosion resistance in demanding environments.
Featuring a 3/8" NPTM thread, 0.6" diameter, and 3/8" nominal width (NW), it enables efficient assembly and disassembly of hoses, guns, and wands. With a wrench size (SW) of 0.87" and a maximum pressure rating of 5000 PSI, this plug ensures reliable performance in industrial and commercial applications.
Applications
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Quick-connect systems for pressure washer guns and hoses
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Commercial and industrial cleaning operations
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Surface cleaners, lances, and foam equipment
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Vehicle wash and maintenance tools
Key Features
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Stainless steel construction for long-lasting durability
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3/8" NPTM thread, 0.6" diameter, and 3/8" nominal width (NW)
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Wrench Size (SW): 0.87"
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Rated up to 5000 PSI
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Provides quick, tight, and leak-free connections
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Ideal for fast equipment changes in pressure systems
Specs
Material Type: Stainless Steel
Pressure: 5000psi
Thread: 3/8" NPTM
Nominal Width (NW): 3/8"
Wrench Size (SW): 0.87"
Diameter: 0.6"
Weight - 2.10oz
The Mosmatic 70.026 High-Pressure Quick Connect Plug delivers reliable and secure connections for high-performance cleaning systems. Built from high-quality stainless steel, it offers excellent corrosion resistance and durability, making it ideal for commercial and industrial applications.
Featuring a 1/4" NPTM thread, 0.47" diameter, and 1/4" nominal width (NW), this plug supports fast and hassle-free assembly or disassembly of hoses, guns, and wands. Its compact design with a wrench size (SW) of 0.67" and pressure rating of 5000 PSI ensures a tight, leak-free fit under high-pressure conditions.
Applications
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Pressure washer hose and spray gun connections
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Industrial and commercial cleaning systems
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Car wash equipment and foam lances
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Quick-connect tools for maintenance operations
Key Features
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Made from 100% stainless steel for durability and corrosion protection
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1/4" NPTM thread, 0.47" diameter, 1/4" nominal width (NW)
-
Wrench Size (SW): 0.67"
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Rated for up to 5000 PSI
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Ensures tight, fast, and secure connections
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Ideal for quick-change setups in pressure washing systems
Specs
Material Type: Stainless Steel
Pressure: 5000psi
Thread: 1/4" NPTM
Nominal Width (NW): 1/4"
Wrench Size (SW): 0.67"
Diameter: 0.47"
Weight: 1oz
The Mosmatic 70.015 High-Pressure Quick Connect Coupler is engineered to provide a secure, leak-free connection in high-pressure cleaning systems. Constructed from premium stainless steel, this coupling ensures long-lasting performance and corrosion resistance in demanding industrial and commercial environments.
Designed for quick and easy assembly and disassembly of spray guns, lances, and hoses, it streamlines workflow and reduces equipment downtime. With a 1/4" NPTF thread, 0.47" diameter, and 1/4" nominal width (NW), this coupling delivers precision fit and optimal flow. A wrench size (SW) of 0.87" and pressure rating of 5000 PSI make it ideal for high-performance cleaning setups.
Applications
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High-pressure cleaning systems
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Pressure washer guns, wands, and hose connections
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Commercial and industrial wash operations
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Quick equipment setup and changeover
Key Features
-
Made from durable stainless steel for corrosion resistance
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1/4" NPTF thread with 0.47" diameter and 1/4" nominal width (NW)
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Wrench Size (SW): 0.87"
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Pressure Rating: Up to 5000 PSI
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Enables quick connection and disconnection of hoses and tools
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Ideal for safe and tight sealing in high-pressure applications
Specs
Material Type: Stainless Steel
Pressure: 5000psi
Thread: 1/4"
Nominal Width (NW): 1/4"
Wrench Size (SW): 0.87"
Diameter: 0.47"
Weight - 2.10 lbs
The Mosmatic 70.025 High-Pressure Quick Connect Plug offers a reliable and efficient solution for building tight, leak-free connections in high-pressure cleaning systems. Manufactured from premium stainless steel, it ensures durability and corrosion resistance in demanding environments.
This female-threaded plug features a 1/4" NPTF thread, 0.47" diameter, and 1/4" nominal width (NW), allowing quick assembly and disassembly of hoses, guns, and wands. Its compact wrench size (SW) of 0.67" and 5000 PSI pressure rating make it ideal for heavy-duty industrial and commercial cleaning applications where speed and security are essential.
Applications
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Quick-connect fittings for pressure washer guns and hoses
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Industrial and commercial cleaning systems
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Car wash equipment and surface cleaners
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Spray lance and wand integration
Key Features
-
Made from 100% stainless steel for strength and corrosion protection
-
1/4" NPTF thread, 0.47" diameter, and 1/4" nominal width (NW)
-
Wrench Size (SW): 0.67"
-
Rated for up to 5000 PSI
-
Enables fast and secure equipment connection
-
Ideal for quick-change setups in pressure washing systems
Specs
Material Type: Stainless Steel
Pressure: 5000psi
Thread: 1/4" NPTF
Nominal Width (NW): 1/4"
Wrench Size (SW): 0.67"
Diameter: 0.47"
Weight: 1oz
The Mosmatic 70.027 High-Pressure Quick Connect Plug offers fast, secure, and leak-proof connections for high-performance pressure washing systems. Crafted from premium stainless steel, it ensures exceptional strength and corrosion resistance in commercial and industrial environments.
Designed with a 3/8" NPTF thread, 0.6" diameter, and 3/8" nominal width (NW), this plug allows for efficient connection and disconnection of hoses, spray guns, and lances. Its wrench size (SW) of 0.87" and pressure rating of 5000 PSI make it ideal for demanding, high-pressure applications requiring quick setup and reliability.
Applications
-
Pressure washer hose and gun connections
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Industrial and commercial cleaning equipment
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Quick-connect fittings for lances and surface cleaners
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Car wash and maintenance operations
Key Features
-
100% stainless steel for durability and corrosion protection
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3/8" NPTF thread, 0.6" diameter, 3/8" nominal width (NW)
-
Wrench Size (SW): 0.87"
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Rated for up to 5000 PSI
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Ensures quick, secure, and leak-free connections
-
Ideal for fast assembly and disassembly of cleaning tools
Specs
Material Type: Stainless Steel
Pressure: 5000psi
Thread: 3/8" NPTF
Nominal Width (NW): 3/8"
Wrench Size (SW): 0.87"
Diameter: 0.6"
Weight: 2.10oz
The Mosmatic DKS Swivel Coupling 70.154 is a high-performance swivel engineered for high-pressure cleaning, hose assemblies, and quick coupling systems. Built from durable nickel-plated brass, this swivel coupling is corrosion-resistant and designed for long-term reliability in heavy-duty industrial and commercial applications.
Equipped with a single thrust ball bearing and an advanced ceramic seal system, it ensures smooth rotation and a dependable seal under high pressure. The flange design enables simple, stable installation, while integrated weep holes act as a visual alert in case of seal failure, supporting preventive maintenance.
This model features a Quick Connect Thread In of M22x1.5 F and a Thread Out of 3/8” NPTF. It offers a nominal width of ¼”, supports up to 3600 PSI, and operates effectively at temperatures up to 250°F and speeds up to 30 RPM. Compatible with a variety of media, it handles pH levels from 3–12 and 10-micron filtered compressed air up to 290 PSI.
Applications
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High-pressure cleaning and spraying equipment
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Industrial hose connection systems
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Surface cleaners and rotary spray tools
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Car wash and auto detailing systems
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Quick-connect hose assemblies
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Pneumatic and air-driven tool applications
Features
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Nickel-plated brass body for superior durability
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Long-life ceramic seal system for leak resistance
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Smooth rotation with single thrust ball bearing
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Flange for secure and simple installation
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Seal failure warning via integrated weep holes
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Thread In: M22x1.5 F | Thread Out: 3/8” NPTF
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Nominal Width (NW): ¼”
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Max Pressure: 3600 PSI
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Max Temperature: 250°F
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Max RPM: 30
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Overall Diameter: 1.34” | Overall Length: 2.08”
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Media compatibility: pH 3–12, 10-micron filtered air (290 PSI)
Specs
Pressure: 3600 psi
Temperature: 250°
RPM: max 30 rpm
Material Type: Brass, nickel plated
Inner Part: Stainless steel
Seal: O-ring NBR
Throughput/medium: ph 3-12, filtered 10 microns compressed air (290 psi)
Thread In: G1 M22X1.5F
Thread Out: G2 3/8"NPTF
Nominal Width (NW): ¼”
Wrench Size 1 (SW1): 0.87"
Diameter (D) (overall diameter): 1.34"
Length 1 (L1) (overall length) : 2.08
Length 2 (L2):
Weight: 3.7 oz
The Mosmatic 70.017 High-Pressure Quick Connect Coupler is engineered to provide fast, secure, and leak-proof connections in high-performance pressure washing systems. Crafted from premium stainless steel, this female-threaded coupling ensures long-lasting durability and corrosion resistance in even the toughest cleaning environments.
With a 3/8" NPTF thread, 0.6" diameter, and 3/8" nominal width (NW), it offers precise fit and compatibility with a wide range of commercial cleaning equipment. Designed for quick assembly and disassembly of hoses, guns, and wands, this coupling helps reduce downtime while maintaining maximum efficiency. Its wrench size (SW) of 0.94" and 5000 PSI rating make it ideal for industrial-grade operations.
Applications
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High-pressure hose and spray gun connections
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Industrial and commercial pressure washing systems
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Quick-connect systems for surface cleaners and lances
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Vehicle wash and equipment cleaning setups
Key Features
-
Made from 100% stainless steel for strength and corrosion resistance
-
3/8" NPTF thread, 0.6" diameter, and 3/8" nominal width (NW)
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Wrench Size (SW): 0.94"
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Handles up to 5000 PSI of working pressure
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Enables quick, safe, and tight connections
-
Ideal for fast equipment changeovers in high-pressure systems
Specs
Material Type: Stainless Steel
Pressure: 5000psi
Thread: 3/8" NPTF
Nominal Width (NW): 3/8"
Wrench Size (SW): 0.94"
Diameter: 0.6"
Weight - 3.50oz
The Mosmatic 70.018 High-Pressure Quick Connect Coupler is designed for seamless, leak-free connections in high-pressure cleaning systems. Built from premium stainless steel, this male-threaded coupling offers exceptional strength, corrosion resistance, and long-term reliability.
With a 3/8" NPTM thread, 0.6" diameter, and 3/8" nominal width (NW), it fits a wide range of industrial and commercial equipment. Ideal for the quick assembly and disassembly of hoses, spray guns, and wands, this coupling helps streamline operations and minimize downtime. It also features a wrench size (SW) of 0.94" and a pressure rating of 5000 PSI, making it suitable for even the most demanding cleaning applications.
Applications
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High-pressure washer hose and tool connections
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Commercial and industrial cleaning systems
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Spray gun, lance, and wand attachments
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Quick-connect fittings for vehicle and equipment washing
Key Features
-
Stainless steel construction for durability and corrosion protection
-
3/8" NPTM thread, 0.6" diameter, and 3/8" nominal width (NW)
-
Wrench Size (SW): 0.94"
-
Rated for up to 5000 PSI
-
Enables fast, secure, and tight connections
-
Ideal for quick equipment changes in high-pressure systems
Specs
Material Type: Stainless Steel
Pressure: 5000psi
Thread: 3/8" NPTM
Nominal Width (NW): 3/8"
Wrench Size (SW): 0.94"
Diameter: 0.6"
Weight: 3.50oz
The Mosmatic DKS Swivel Coupling 70.152 is a high-quality, precision-engineered swivel designed for high-pressure cleaning, hose connections, and quick coupling applications. Manufactured from durable, nickel-plated brass, this swivel is corrosion-resistant and built for long-lasting performance in industrial and commercial environments.
Featuring a single thrust ball bearing and a robust ceramic seal system, the 70.152 ensures smooth 360° rotation and leak-resistant operation under pressure. Its flanged design enables easy, secure installation, while integrated weep holes provide a built-in visual indicator of seal wear or failure—helping to reduce unexpected downtime.
This model includes a Quick Connect Thread In of M22x1.5 F and a Thread Out of ¼” NPTF, with a nominal width of ¼”. Designed for up to 3600 PSI, it also withstands temperatures up to 250°F, supports speeds of up to 30 RPM, and is compatible with media in the pH 3–12 range as well as 10-micron filtered compressed air (290 PSI).
Applications
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High-pressure hose and spray systems
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Industrial and commercial cleaning equipment
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Quick-connect fittings for pressure washers
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Surface cleaners and rotary spray arms
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Car wash installations and systems
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Pneumatic and compressed air tool connections
Key Features
-
Nickel-plated brass construction for durability and corrosion resistance
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High-performance ceramic seal system
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Single thrust ball bearing for smooth, controlled rotation
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Flanged design for easy and secure installation
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Weep holes for early seal failure detection
-
Thread In: M22x1.5 F | Thread Out: ¼” NPTF
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Nominal Width (NW): ¼”
-
Max Pressure: 3600 PSI
-
Max Temperature: 250°F
-
Max RPM: 30
-
Overall Diameter: 1.34” | Overall Length: 1.96”
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Compatible with pH 3–12 media and 10-micron filtered air (290 PSI)
Specs
Pressure: 3600 psi
Temperature: 250°
RPM: max 30 rpm
Material Type: Brass, nickel plated
Inner Part: Stainless steel
Seal: O-ring NBR
Throughput/medium: ph 3-12, filtered 10 microns compressed air (290 psi)
Thread In: G1 M22X1.5F
Thread Out: G2 1/4"NPTF
Nominal Width (NW): ¼”
Wrench Size 1 (SW1): 0.75"
Diameter (D) (overall diameter): 1.34"
Length 1 (L1) (overall length) : 1.96
Length 2 (L2):
Weight: 3.7 oz
The Mosmatic DKS Swivel Coupling 70.151 is a high-performance, nickel-plated brass swivel engineered for high-pressure cleaning systems and industrial hose applications. Designed to deliver reliable, leak-free performance under demanding conditions, this swivel features a robust ceramic seal system and a single thrust ball bearing for smooth rotational operation.
The integrated flange allows for quick and secure installation, while built-in weep holes provide a visible warning in the event of seal failure—helping to reduce downtime and maintenance costs. The coupling features a Quick Connect Thread In of M22x1.5 F and a Thread Out of ¼” NPTM, offering wide compatibility with standard hose and equipment fittings.
With a pressure rating up to 3600 PSI, a maximum temperature tolerance of 250°F, and support for pH 3–12 media and 10-micron filtered compressed air (290 PSI), the DKS 70.151 is ideal for use in professional-grade cleaning and connection systems.
Applications
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High-pressure cleaning and spraying systems
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Industrial and commercial hose assemblies
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Quick-connect setups for pressure washers
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Surface cleaning tools and rotary nozzles
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Pneumatic tool connections
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Car wash installations and maintenance equipment
Features
-
Nickel-plated brass for corrosion resistance and durability
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Ceramic seal system for long-term performance
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Smooth rotation with single thrust ball bearing
-
Flanged design for simple installation
-
Built-in weep holes indicate seal failure
-
Thread In: M22x1.5 F | Thread Out: ¼” NPTM
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Nominal Width (NW): ¼”
-
Max Pressure: 3600 PSI
-
Max Temperature: 250°F
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Max RPM: 30
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Dimensions: 1.34” diameter | 1.76” overall length
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Suitable for pH 3–12 media and 10-micron filtered air (290 PSI)
Specs
Pressure: 3600 psi
Temperature: 250°
RPM: max 30 rpm
Material Type: Brass, nickel plated
Inner Part: Stainless steel
Seal: O-ring NBR
Throughput/medium: ph 3-12, filtered 10 microns compressed air (290 psi)
Thread In: G1 M22X1.5F
Thread Out: G2 1/4"NPTM
Nominal Width (NW): ¼”
Wrench Size 1 (SW1): 0.67"
Diameter (D) (overall diameter): 1.34"
Length 1 (L1) (overall length) : 1.76
Length 2 (L2): 0.43
Weight: 3.7 oz
The Suttner Screw Coupling 200040800 is a compact, high-pressure ST-40 (A) screw coupling made from durable brass and engineered to handle up to 5800 PSI and 300°F (149°C). This coupling is ideal for adapting 1/4" FPT connections to standard M22-threaded accessories in pressure washers, sprayers, and compact fluid systems.
Constructed from corrosion-resistant brass, this coupling ensures excellent performance in chemically exposed and high-pressure environments. Its precision-machined body delivers secure, leak-free sealing between U.S. and European thread standards, especially in tight or portable setups.
The ST-40 (A) model features a 1/4" Female NPT (FPT) inlet and an M22 outlet, making it suitable for spray guns, hoses, and lances using mixed-thread configurations.
Applications:
-
Compact pressure washer and sprayer systems
-
Portable washdown and sanitation equipment
-
Hose and accessory transitions between 1/4" FPT and M22
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Industrial, commercial, and agricultural fluid systems
Features:
-
Made from solid brass for corrosion and chemical resistance
-
Pressure rated to 5800 PSI and temperature up to 300°F (149°C)
-
1/4" FPT inlet compatible with standard U.S. fittings
-
M22 outlet for use with European-style hoses and guns
-
Part of Suttner’s trusted ST-40 brass screw coupling series
Specs
Product Type: Screw Coupling
Category: Screw Couplings
Brand: Suttner
Part Number: 200040800
Material: Brass
O-Ring: N/A
Pressure: 5800 PSI
Temperature: Up to 149°C (300°F)
Threading In: 1/4" FPT
Threading Out: M22
Weight: 0.14 kg
The Suttner Screw Coupling 200040810 is a high-pressure ST-40 (B) screw coupling constructed from corrosion-resistant brass, built to handle up to 5800 PSI and temperatures of 300°F (149°C). Designed for compact equipment and light-to-heavy-duty pressure washer systems, it enables a secure transition from 1/4" MPT connections to M22 European-style threads.
This coupling is precision-machined from high-quality brass to ensure strength, leak resistance, and reliable long-term performance in chemically demanding and high-pressure environments. It is ideal for integrating spray guns, hoses, and lances across systems with mixed thread standards.
The ST-40 (B) model features a 1/4" Male NPT (MPT) inlet and an M22 outlet, making it ideal for smaller-diameter pressure washer systems that require M22 compatibility.
Applications:
-
Compact and portable pressure washer systems
-
Spray guns and accessories with 1/4" NPT connections
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Adapters for chemical sprayers and foamers
-
Hose-to-lance or lance-to-gun transitions in mixed-thread systems
Features:
-
Made from high-quality brass for corrosion resistance
-
Rated up to 5800 PSI and 300°F (149°C)
-
1/4" MPT inlet fits standard U.S. threaded tools
-
M22 outlet allows compatibility with European-style hoses and couplers
-
Part of the trusted ST-40 series of screw couplings
Specs
Product Type: Screw Coupling
Category: Screw Couplings
Brand: Suttner
Part Number: 200040810
Material: Brass
O-Ring: N/A
Pressure: 5800 PSI
Temperature: Up to 149°C (300°F)
Threading In: 1/4" MPT
Threading Out: M22
Weight: 0.14 kg
The Suttner Screw Coupling 200040820 is a heavy-duty ST-40 (C) screw coupling made from durable brass, engineered for high-pressure applications up to 5800 PSI and 300°F (149°C). This coupling provides a secure transition from 3/8" FPT U.S. standard threads to M22 European-style connections in pressure washer systems.
Designed for high reliability, the ST-40 (C) coupling offers outstanding sealing and strength, thanks to its corrosion-resistant brass construction. It is an essential component for adapting spray guns, hoses, and accessories that use mixed thread types in both commercial and industrial environments.
This model features a 3/8" Female NPT (FPT) inlet and an M22 outlet, offering compatibility with standard male-threaded U.S. fittings and M22-threaded components commonly found in European systems.
Applications:
-
Industrial and commercial pressure washer systems
-
Hose-to-accessory and gun-to-lance transitions
-
Chemical and sanitation spraying equipment
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Cross-compatibility with M22-threaded tools
Features:
-
Precision-machined brass for strength and corrosion resistance
-
Handles up to 5800 PSI and 300°F (149°C)
-
3/8" FPT inlet fits standard male-threaded components
-
M22 outlet interfaces with European-style hoses and spray guns
-
Part of the ST-40 screw coupling series from Suttner
Specs
Product Type: Screw Coupling
Category: Screw Couplings
Brand: Suttner
Part Number: 200040820
Material: Brass
O-Ring: N/A
Pressure: 5800 PSI
Temperature: Up to 149°C (300°F)
Threading In: 3/8" FPT
Threading Out: M22
Weight: 0.18 kg
The Suttner Screw Coupling 200040830 is a high-pressure ST-40 (D) coupling designed for seamless integration between U.S. NPT-threaded connections and European M22-threaded systems. Rated for up to 5800 PSI and 300°F (149°C), this coupling is ideal for heavy-duty pressure washing, chemical spraying, and high-temperature fluid handling systems.
Crafted from premium brass, the ST-40 (D) coupling delivers durability, chemical resistance, and long service life. It ensures tight, secure mating between hoses, guns, lances, and other high-pressure components without leaks, even under extreme conditions.
This model features a 3/8" Male NPT (MPT) inlet and an M22 outlet, providing versatile compatibility across mixed-thread equipment setups.
Applications:
-
Commercial and industrial pressure washer systems
-
Spray guns and lance transitions
-
Hose couplings for chemical and sanitation use
-
Mixed-thread equipment connections (NPT to M22)
Features:
-
Solid brass construction for strength and corrosion resistance
-
Supports pressures up to 5800 PSI
-
Withstands temperatures up to 300°F (149°C)
-
3/8" MPT inlet and M22 outlet for mixed-thread versatility
-
Part of the Suttner ST-40 screw coupling series
Specs
Product Type: Screw Coupling
Category: Screw Couplings
Brand: Suttner
Part Number: 200040830
Material: Brass
O-Ring: N/A
Pressure: 5800 PSI
Temperature: Up to 149°C (300°F)
Threading In: 3/8" MPT
Threading Out: M22
Weight: 0.18 kg
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