NM Series Japanese Type Manual-operated Quick Couplings

Manual Sleeve Operation for Reliable Connections

NM Series Japanese manual quick couplings use a traditional two-touch sleeve mechanism. Operators pull back the sleeve to connect or release the plug, providing a simple and economical alternative to push-to-connect designs. The NM20 model features a 1/4-inch body and is interchangeable with NT20, NITTO 20/30/40, Parker-Rectus 13 and CEJN 315 profiles.

Practical Construction and Connection Options

● Locking: Four stainless steel locking balls.

● Pressure: Maximum working pressure of 1.0 MPa.

● Temperature: -10°C to +70°C.

● Materials: Chrome-plated carbon steel, brass or SUS304/303 stainless steel.

● Connections: Female and male threads, standard hose barb and push-lock hose barb.

Applications and Installation

These Japanese type manual quick couplings are suitable for pneumatic tools, compressed-air lines, automotive maintenance equipment and general industrial machinery.

Choose the socket and plug according to the required thread or hose size. Pull back the sleeve during connection or disconnection, and confirm that the plug is securely locked before supplying air. Always depressurize the line before releasing the coupling.