KK 4 S 02 M S Air, Water KK2: .100 kPa to 1 MPa KK3: .90 kPa to 1 MPa KK4/6: 0 to 1 MPa 1.5 MPa Air: .5 to 60°C Water: 5 to 40°C (No freezing) Electroless nickel plated (copper-free and fluorine-free application), With male thread sealant Specifications RoHS Fluid Operating pressure range Proof pressure Ambient and fluid temperature Plating, Sealant One-touch connection and release Socket: Built-in check valve (standard) Manual locking type (standard) Performance Plug and socket connection Check valve Sleeve lock mechanism Plug KK2P-M5M KK3P-01MS KK4P-02MS KK6P-04MS Socket KK2S-M5M KK3S-01MS KK4S-02MS KK6S-04MS Effective area mm2 3.8 20 39 82 Effective Area Body size M5 1/8 1/4 1/2 Note) Do not use the S couplers with a leak tester or for vacuum retention because they are not guaranteed for zero leakage. Note) Series KK2 is not provided with lock mechanism. Body size Socket Plug S P Socket/Plug designation M5 1/8 1/4 1/2 2 3 4 6 Thread size M5 x 0.8 R, Rc 1/8 R, Rc 1/4 R, Rc 3/8 R, Rc 1/2 R, Rc 3/4 Male/Female thread type Symbol M5 01 02 03 04 06 Applicable tubing O.D. mm o3.2 o4 o6 o8 o10 o12 o16 One-touch fitting type Symbol 23 04 06 08 10 12 16 Applicable hose I.D./O.D. mm 5/8 6/9 6.5/10 8/12 8.5/12.5 11/16 Nut fitting type Symbol 50 60 65 80 85 110 Type Male thread Female thread With nut fitting Straight with One-touch fitting Elbow with One-touch fitting Bulkhead with One-touch fitting Symbol M F N H L E How to Order Piping port size variation Connection type With sealant (male thread) Symbol Single plug Single socket Connected plug and socket Note) Note) Series KK2 Series KK3/4/6 S Couplers Series KK 171 KQ2 KQB2 KS KX KM KF M H/DL L/LL KC KK KK130 DM KDM KB KR KA KQG2 KG KFG2 MS KKA KP LQ MQR T