Yoshida Mfg. Co.,Ltd.

Fluid Couplings

NKC Coupling

NKC Coupling NKC Coupling
Our company became the manufacture of the Quick connect Coupling based on the technology that is cultivated in precision parts manufacturing for long time.
Recently,needs of the fluid coupling are diversified in various fields.We are hoping to correspond these demands adequately and promptly.Your Request of the annual lot production and OEM supply are welcomed.By any means,we will do our best devoting ourselves to become your partner.


NL series:For low pressure, wide applications. Single valve type.

Features
NL series NL series Flow Direction ● The shut-off valve built into the socket opens when the plug is inserted and closes when the plug is removed.

● Various end configuration to suit a wide application.(Socket and plug of models NL-21 to NL-24 can be connected, also models NL-44 to NL-48 can be connected.)

● The main body is made of steel, brass or stainless steel. When made of steel, the main body is hardened to ensure high durability and a high resistance to abrasion.

● A variety of models are available. You can select the best model to suit your specific operating conditions and applications.
Specification
NL series Specification

The download of NL series specifications is here.

YNL series:Simple and secure push-to-connect type.
For low pressure , wide applications single valve type.

Features
YNL series

YNL series Flow Direction
●Just push the plug into the socket for simple and secure connection. Use YNL series socket and NL series plug (NL-21 to NL-24) together.

●The shut-off valve built into the socket opens when the plug is inserted and closes when the plug is removed.

●Available only with steel body which is hardened to ensure high durability and a high resistance to abrasion.

●Only suitable air. A variety of models are available, You can select the best model to suit your specific operating conditions and wide applications.
Specification
YNL series Specification

The download of YNL series specifications is here.

TS series:For middle & low pressure, wide applications. Valveless type.

Features
TS series

TS series Flow Direction
●This valveless model has no valve mechanism in the socket and none in the plug. It is ideal if there is no need to shut the pipe when disconnecting the socket and plug.

●The internal construction features a low flow resistance to reduce pressure loss. This series is thus well-suited to high-viscosity fluids, steam and pulverulent bodies.

●Numerous models are available varying in nominal diameter, body material, O ring material and connection method. You can select precisely the best model for your application and operating conditions.
Specification
TS series Specification

The download of TS series specifications is here.


KS series:For middle & low pressure, Twin value type.

Features
KS series

KS series Flow direction
●Both the socket and plug of this twin-valve coupling incorporate a shutoffvalve.

●The passage opens the moment the socket or plug is connected and closesthe moment the socket or plug is disconnected. This virtually eliminates fluid loss and air entry.

●Numerous models are available varying in nominal diameter, body material with special seal. You can select precisely the best model for fluid and operating conditions.
Specification
KS series Specification

The download of KS series specifications is here.

HP series:For high pressure, Twin valve type.

Features
HP series

HP series Flow Direction
●Both the socket and plug of this twin valve coupling incorporate a shutoff valve.

●This series has been designed for use under high pressure and is highly resistant to vibration and impact. It is ideal for pressurized gas pipes and machinery that uses high oil pressure.

●The body is made of Special steel and hardened to ensure high durability and a high resistance to abrasion.

●Available in various sizes, making it applicable to a wide range of applications.
Specification
HP series Specification

The download of HP series specifications is here.


KC series::Simple and secure push-to-connect type.
For low pressure, For die and mold, One way shout off.

Features
KC series

KC series Flow Direction
●Enables quick mold coolant hose connection/disconnection.

●Long Sleeve socket facilitates connection/disconnection with plug embedded in mold.

●Space saving design for molds with closely spaced parts.

●Various size and end configuration to suit a wide variety of mold application.(Sockets and Plugs with KC-01 to KC-03 can be connected.).
Specification
KC series Specification

The download of KC series specifications is here.


AC series:Simple and secure push-to-connect type.
For low pressure, Space saving design, One way shout off..

Features
AC series

AC series Flow Direction
●Space saving design for hand air tools.

●Just push the plug into the socket for simple and secure connection.

●The shut-off valve built into the socket opens when the plug is inserted
and closes when the plug is removed.

●Various end configuration to suit a wide application.(Sockets and Plugs with AC-01/02 can be connected.)