S coupler series KK employs a unique connection method. A slim body design and large effective area are achieved with a construction that does not use steel balls or valve springs and therefore does not restrict the flow path. Together with a reduction of the body size, pressing parts and resin parts are used to achieve an overall weight reduction.
Effective Area JIS Symbol Single plug Single socket Effective area mm2 Body size Plug Socket M5 KK2P-M5M KK2S-M5M 3.8 1/8 KK3P-01MS KK3S-01MS 20 Connected plug and socket 1/4 KK4P-02MS KK4S-02MS 39 1/2 KK6P-04MS KK6S-04MS 82 How to Order KK 4 S M S 02 Body size With sealant (male thread) 2 3 4 6 M5 1/8 1/4 1/2 Connection type Type Male thread Female thread With nut fitting Straight with One-touch
KK2P-23L -04L -06L KK3P-04L -06L -08L -10L KK4P-06L -08L -10L -12L KK6P-12L -16L KK2S-23L -04L -06L KK3S-04L -06L -08L -10L KK4S-06L -08L -10L -12L KK6S-12L -16L 3.2 4 6 4 6 8 10 6 8 10 12 12 16 3.2 4 6 4 6 8 10 6 8 10 12 12 16 M5 M5 1/8 1/8 1/4 1/4 1/2 1/2 Bulkhead type with One-touch fitting Bulkhead type with One-touch fitting Body size Applicable tubing O.D. mm Part no.
KK2P-23L -04L -06L KK3P-04L -06L -08L -10L KK4P-06L -08L -10L -12L KK6P-12L -16L KK2S-23L -04L -06L KK3S-04L -06L -08L -10L KK4S-06L -08L -10L -12L KK6S-12L -16L 3.2 4 6 4 6 8 10 6 8 10 12 12 16 3.2 4 6 4 6 8 10 6 8 10 12 12 16 M5 M5 1/8 1/8 1/4 1/4 1/2 1/2 Bulkhead type with One-touch fitting Bulkhead type with One-touch fitting Body size Applicable tubing O.D. mm Part no.