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:
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Commercial and industrial pressure washer systems
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Spray guns and lance transitions
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Hose couplings for chemical and sanitation use
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Mixed-thread equipment connections (NPT to M22)
Features:
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Solid brass construction for strength and corrosion resistance
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Supports pressures up to 5800 PSI
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Withstands temperatures up to 300°F (149°C)
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3/8\\” MPT inlet and M22 outlet for mixed-thread versatility
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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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