NITTO KOHKI ( COUPLING ) : Nitto Kohki designs several products specifically for refrigeration applications. These couplers are great for holding negative pressure of vacuum in leak testing or refrigerant charging/ filling processes. All products are avai

NITTO KOHKI ( COUPLING ) : Nitto Kohki designs several products specifically for refrigeration applications. These couplers are great for holding negative pressure of vacuum in leak testing or refrigerant charging/ filling processes. All products are available with H-NBR ( Hydrogenated Rubber) packing and O-rings, which are commonly used with R134A, R410A and other refrigerant gasses. Semiconductor Couplers: Nitto Kohki' s clean room assembly facilities and superior designs allow us to offer a wide range of specialty semiconductor quick disconnects for your high purity systems. Using Nitto Kohki couplers helps keep impurities out of your products whether you produce medical, electronic, or food products.