Nitto Kohki's "CUPLA" is used in various stages of automotive manufacturing fields. Not only in the application of general pneumatic and hydraulic lines, we have wide choice of multiple port connection system and special custom-made CUPLA series applicable for leak test and running test of automotive component products. Nitto Kohki has been making innovation for customers ' production efficiency for over 60 years.

Nitto Kohki's high quality non-grease couplers are used in the application of transfer system of electrolyte for lithium ion battery, high purity water for semiconductor manufacturing process Materials of our Semocon CUPLA include PFA, PTFE, and electro-polished stainless steel. Recently Nitto Kohki has also released Hygienic Cupla with a unique construction first in the market. This unique product enables you to connect piping with just push-in action instead of Ferrule type connections. Beside that, you can disassemble all the components in seconds. Those features are greatly approved in several industries requiring daily base disassembly of pipe lines mostly for cleaning purpose (in COP system). Typical market field is food, cosmetics manufacturing process.

Nitto Kohki has wide line-up of Pipe CUPLA and Charge CUPLA series designed for production of HVAC units. SP-V CUPLA has unique valve structure achieving high flow rate, great seal tightness even in vacuum application. We offer them with various sealing material options for most refrigerant types. Nitto Kohki also designs customized coupler for any shapes of pipes, threaded ends for charge, evaluate and testing purpose.

A large offering is available from Nitto Kohki CUPLA for high pressure metal casting and plastic injection molding marketplace. Our 5000 psi couplings has one of the sturdiest construction in the market for toughest high pressure die casting (HPDC) application . We line up wide range of multiple port connection system for water cooling lines, pneumatic lines for ejector pin or valve gate operation With the top-class performance and durability in the market, we are confident that our products will provide great advantage to the users in each production stage, improving casting cycle speed, reducing their downtime.