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Japanese Type Quick Coupling

Japanese Type Quick Coupling



The NT and NM Japanese-type quick couplings are interchangeable with the NITTO 20, 30, and 40 series, Parker-Rectus 13, and CEJN315 series, and are compatible with all NITTO 20 series couplings or plugs. 

The body, sleeve, and ferrule of the coupling are typically made of chrome-plated carbon steel, while the internal components are made of brass.


Equipped with six stainless steel locking balls, the couplings are designed for high reliability. The fittings are mainly divided into four types: female thread, male thread, hose barb tail, and nut locking type. 

The internal double-sealing structure ensures the product's airtightness, preventing any leakage.



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  • Dimension


The NT series quick couplings feature a push-to-connect structure with single-hand operation. 

They offer high flow, safety, and reliability, with very convenient operation. Currently, they are available only in the 1/4-inch size. 

The NM series Japanese-type quick couplings are manually operated and come in three flow sizes: 1/4", 3/8", and 1/2". BSP or BSPT threads are commonly used in the Asian market.


The maximum working pressure for Japanese-type quick couplings is 2.0 MPa, which makes them a medium-pressure type in pneumatic quick couplings. 

Common sealing materials include nitrile rubber, with options like FKM fluoro rubber and EPDM also available.

These couplings are widely used in industries such as air compressors, pneumatic tools, lawnmowers, sprayers, and more.


For more information, please feel free to contact us.


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