• SMC KC Tube Coupler (Self-seal One-touch Fitting)
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SMC KC Tube Coupler (Self-seal One-touch Fitting)

SMC KC Tube Coupler (Self-seal One-touch Fitting)

SMC KC series tube coupler: a one-touch fitting with built-in self-seal valve that stops the air when the tube is disconnected, for ø4 to ø12 tube.

Key features

  • Self-seal mechanism: no air leakage after tube removal
  • Ten types incl. male connector, elbow, tee, Y, bulkhead and connecting plugs
  • Connecting straight/elbow plugs (-99) save tube cutting where tubes are connected and removed frequently
  • KCJ straight plug with check adds the coupler function to KQ one-touch fittings
  • Body and thread rotate for positioning; brass parts electroless nickel plated, sealant on threads standard

Specifications

Fluid Air
Max. operating pressure 1 MPa
Proof pressure 3 MPa
Ambient and fluid temperature -5 to 60°C (no freezing)
Applicable tube material Nylon, soft nylon, polyurethane
Thread R (JIS B0203), M5 (JIS B0205)
Body material C3604, PBT
Seal material NBR
Source SMC Korea catalog KC Series (SMCKR_KC.pdf), p. 207-212
KCH04-M5 Type: Male connector | Tube OD: ø4 | Connection: M5x0.8
KCH04-01S Type: Male connector | Tube OD: ø4 | Connection: R1/8
KCH06-M5 Type: Male connector | Tube OD: ø6 | Connection: M5x0.8
KCH06-01S Type: Male connector | Tube OD: ø6 | Connection: R1/8
KCH06-02S Type: Male connector | Tube OD: ø6 | Connection: R1/4
KCH08-01S Type: Male connector | Tube OD: ø8 | Connection: R1/8
KCH08-02S Type: Male connector | Tube OD: ø8 | Connection: R1/4
KCH08-03S Type: Male connector | Tube OD: ø8 | Connection: R3/8
KCH10-02S Type: Male connector | Tube OD: ø10 | Connection: R1/4
KCH10-03S Type: Male connector | Tube OD: ø10 | Connection: R3/8
KCH12-03S Type: Male connector | Tube OD: ø12 | Connection: R3/8
KCH12-04S Type: Male connector | Tube OD: ø12 | Connection: R1/2
KCL04-M5 Type: Male elbow | Tube OD: ø4 | Connection: M5x0.8
KCL04-01S Type: Male elbow | Tube OD: ø4 | Connection: R1/8
KCL06-M5 Type: Male elbow | Tube OD: ø6 | Connection: M5x0.8
KCL06-01S Type: Male elbow | Tube OD: ø6 | Connection: R1/8
KCL06-02S Type: Male elbow | Tube OD: ø6 | Connection: R1/4
KCL08-01S Type: Male elbow | Tube OD: ø8 | Connection: R1/8
KCL08-02S Type: Male elbow | Tube OD: ø8 | Connection: R1/4
KCL08-03S Type: Male elbow | Tube OD: ø8 | Connection: R3/8
KCL10-02S Type: Male elbow | Tube OD: ø10 | Connection: R1/4
KCL10-03S Type: Male elbow | Tube OD: ø10 | Connection: R3/8
KCL12-03S Type: Male elbow | Tube OD: ø12 | Connection: R3/8
KCL12-04S Type: Male elbow | Tube OD: ø12 | Connection: R1/2
KCT04-00 Type: Union tee | Tube OD: ø4 | Connection: Tube (same size)
KCT06-00 Type: Union tee | Tube OD: ø6 | Connection: Tube (same size)
KCT08-00 Type: Union tee | Tube OD: ø8 | Connection: Tube (same size)
KCT10-00 Type: Union tee | Tube OD: ø10 | Connection: Tube (same size)
KCT12-00 Type: Union tee | Tube OD: ø12 | Connection: Tube (same size)
KCJ04-99 Type: Straight plug with check valve | Tube OD: ø4 | Connection: Plug-in stem ø4
KCJ06-99 Type: Straight plug with check valve | Tube OD: ø6 | Connection: Plug-in stem ø6
KCJ08-99 Type: Straight plug with check valve | Tube OD: ø8 | Connection: Plug-in stem ø8
KCJ10-99 Type: Straight plug with check valve | Tube OD: ø10 | Connection: Plug-in stem ø10
KCJ12-99 Type: Straight plug with check valve | Tube OD: ø12 | Connection: Plug-in stem ø12
KCE04-00 Type: Bulkhead union | Tube OD: ø4 | Connection: Tube (same size)
KCE06-00 Type: Bulkhead union | Tube OD: ø6 | Connection: Tube (same size)
KCE08-00 Type: Bulkhead union | Tube OD: ø8 | Connection: Tube (same size)
KCE10-00 Type: Bulkhead union | Tube OD: ø10 | Connection: Tube (same size)
KCE12-00 Type: Bulkhead union | Tube OD: ø12 | Connection: Tube (same size)
KCE04-02 Type: Bulkhead female connector | Tube OD: ø4 | Connection: Rc1/4
KCE06-02 Type: Bulkhead female connector | Tube OD: ø6 | Connection: Rc1/4
KCE08-03 Type: Bulkhead female connector | Tube OD: ø8 | Connection: Rc3/8
KCE10-03 Type: Bulkhead female connector | Tube OD: ø10 | Connection: Rc3/8
KCE12-03 Type: Bulkhead female connector | Tube OD: ø12 | Connection: Rc3/8
KCU04-00 Type: Union Y | Tube OD: ø4 | Connection: Tube (same size)
KCU06-00 Type: Union Y | Tube OD: ø6 | Connection: Tube (same size)
KCU08-00 Type: Union Y | Tube OD: ø8 | Connection: Tube (same size)
KCU10-00 Type: Union Y | Tube OD: ø10 | Connection: Tube (same size)
KCU12-00 Type: Union Y | Tube OD: ø12 | Connection: Tube (same size)
KCL04-99 Type: Connecting elbow plug | Tube OD: ø4 | Connection: Plug-in stem ø4
KCL06-99 Type: Connecting elbow plug | Tube OD: ø6 | Connection: Plug-in stem ø6
KCL08-99 Type: Connecting elbow plug | Tube OD: ø8 | Connection: Plug-in stem ø8
KCL10-99 Type: Connecting elbow plug | Tube OD: ø10 | Connection: Plug-in stem ø10
KCL12-99 Type: Connecting elbow plug | Tube OD: ø12 | Connection: Plug-in stem ø12
KCH04-00 Type: Straight union | Tube OD: ø4 | Connection: Tube (same size)
KCH06-00 Type: Straight union | Tube OD: ø6 | Connection: Tube (same size)
KCH08-00 Type: Straight union | Tube OD: ø8 | Connection: Tube (same size)
KCH10-00 Type: Straight union | Tube OD: ø10 | Connection: Tube (same size)
KCH12-00 Type: Straight union | Tube OD: ø12 | Connection: Tube (same size)
KCH04-99 Type: Connecting straight plug | Tube OD: ø4 | Connection: Plug-in stem ø4
KCH06-99 Type: Connecting straight plug | Tube OD: ø6 | Connection: Plug-in stem ø6
KCH08-99 Type: Connecting straight plug | Tube OD: ø8 | Connection: Plug-in stem ø8
KCH10-99 Type: Connecting straight plug | Tube OD: ø10 | Connection: Plug-in stem ø10
KCH12-99 Type: Connecting straight plug | Tube OD: ø12 | Connection: Plug-in stem ø12
FittingsSMC
64 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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SMC KC Tube Coupler (Self-seal One-touch Fitting)

Brand SMC·Fittings

Available part numbers (64)

KCH04-M5, KCH04-01S, KCH06-M5, KCH06-01S, KCH06-02S, KCH08-01S, KCH08-02S, KCH08-03S, KCH10-02S, KCH10-03S + 54 more — see full table ↓

How to order

Send the SMC part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
KCH04-M5Type: Male connector | Tube OD: ø4 | Connection: M5x0.8
KCH04-01SType: Male connector | Tube OD: ø4 | Connection: R1/8
KCH06-M5Type: Male connector | Tube OD: ø6 | Connection: M5x0.8
KCH06-01SType: Male connector | Tube OD: ø6 | Connection: R1/8
KCH06-02SType: Male connector | Tube OD: ø6 | Connection: R1/4
KCH08-01SType: Male connector | Tube OD: ø8 | Connection: R1/8
KCH08-02SType: Male connector | Tube OD: ø8 | Connection: R1/4
KCH08-03SType: Male connector | Tube OD: ø8 | Connection: R3/8
KCH10-02SType: Male connector | Tube OD: ø10 | Connection: R1/4
KCH10-03SType: Male connector | Tube OD: ø10 | Connection: R3/8
KCH12-03SType: Male connector | Tube OD: ø12 | Connection: R3/8
KCH12-04SType: Male connector | Tube OD: ø12 | Connection: R1/2
KCL04-M5Type: Male elbow | Tube OD: ø4 | Connection: M5x0.8
KCL04-01SType: Male elbow | Tube OD: ø4 | Connection: R1/8
KCL06-M5Type: Male elbow | Tube OD: ø6 | Connection: M5x0.8
KCL06-01SType: Male elbow | Tube OD: ø6 | Connection: R1/8
KCL06-02SType: Male elbow | Tube OD: ø6 | Connection: R1/4
KCL08-01SType: Male elbow | Tube OD: ø8 | Connection: R1/8
KCL08-02SType: Male elbow | Tube OD: ø8 | Connection: R1/4
KCL08-03SType: Male elbow | Tube OD: ø8 | Connection: R3/8
KCL10-02SType: Male elbow | Tube OD: ø10 | Connection: R1/4
KCL10-03SType: Male elbow | Tube OD: ø10 | Connection: R3/8
KCL12-03SType: Male elbow | Tube OD: ø12 | Connection: R3/8
KCL12-04SType: Male elbow | Tube OD: ø12 | Connection: R1/2
KCT04-00Type: Union tee | Tube OD: ø4 | Connection: Tube (same size)
KCT06-00Type: Union tee | Tube OD: ø6 | Connection: Tube (same size)
KCT08-00Type: Union tee | Tube OD: ø8 | Connection: Tube (same size)
KCT10-00Type: Union tee | Tube OD: ø10 | Connection: Tube (same size)
KCT12-00Type: Union tee | Tube OD: ø12 | Connection: Tube (same size)
KCJ04-99Type: Straight plug with check valve | Tube OD: ø4 | Connection: Plug-in stem ø4
KCJ06-99Type: Straight plug with check valve | Tube OD: ø6 | Connection: Plug-in stem ø6
KCJ08-99Type: Straight plug with check valve | Tube OD: ø8 | Connection: Plug-in stem ø8
KCJ10-99Type: Straight plug with check valve | Tube OD: ø10 | Connection: Plug-in stem ø10
KCJ12-99Type: Straight plug with check valve | Tube OD: ø12 | Connection: Plug-in stem ø12
KCE04-00Type: Bulkhead union | Tube OD: ø4 | Connection: Tube (same size)
KCE06-00Type: Bulkhead union | Tube OD: ø6 | Connection: Tube (same size)
KCE08-00Type: Bulkhead union | Tube OD: ø8 | Connection: Tube (same size)
KCE10-00Type: Bulkhead union | Tube OD: ø10 | Connection: Tube (same size)
KCE12-00Type: Bulkhead union | Tube OD: ø12 | Connection: Tube (same size)
KCE04-02Type: Bulkhead female connector | Tube OD: ø4 | Connection: Rc1/4
KCE06-02Type: Bulkhead female connector | Tube OD: ø6 | Connection: Rc1/4
KCE08-03Type: Bulkhead female connector | Tube OD: ø8 | Connection: Rc3/8
KCE10-03Type: Bulkhead female connector | Tube OD: ø10 | Connection: Rc3/8
KCE12-03Type: Bulkhead female connector | Tube OD: ø12 | Connection: Rc3/8
KCU04-00Type: Union Y | Tube OD: ø4 | Connection: Tube (same size)
KCU06-00Type: Union Y | Tube OD: ø6 | Connection: Tube (same size)
KCU08-00Type: Union Y | Tube OD: ø8 | Connection: Tube (same size)
KCU10-00Type: Union Y | Tube OD: ø10 | Connection: Tube (same size)
KCU12-00Type: Union Y | Tube OD: ø12 | Connection: Tube (same size)
KCL04-99Type: Connecting elbow plug | Tube OD: ø4 | Connection: Plug-in stem ø4
KCL06-99Type: Connecting elbow plug | Tube OD: ø6 | Connection: Plug-in stem ø6
KCL08-99Type: Connecting elbow plug | Tube OD: ø8 | Connection: Plug-in stem ø8
KCL10-99Type: Connecting elbow plug | Tube OD: ø10 | Connection: Plug-in stem ø10
KCL12-99Type: Connecting elbow plug | Tube OD: ø12 | Connection: Plug-in stem ø12
KCH04-00Type: Straight union | Tube OD: ø4 | Connection: Tube (same size)
KCH06-00Type: Straight union | Tube OD: ø6 | Connection: Tube (same size)
KCH08-00Type: Straight union | Tube OD: ø8 | Connection: Tube (same size)
KCH10-00Type: Straight union | Tube OD: ø10 | Connection: Tube (same size)
KCH12-00Type: Straight union | Tube OD: ø12 | Connection: Tube (same size)
KCH04-99Type: Connecting straight plug | Tube OD: ø4 | Connection: Plug-in stem ø4
KCH06-99Type: Connecting straight plug | Tube OD: ø6 | Connection: Plug-in stem ø6
KCH08-99Type: Connecting straight plug | Tube OD: ø8 | Connection: Plug-in stem ø8
KCH10-99Type: Connecting straight plug | Tube OD: ø10 | Connection: Plug-in stem ø10
KCH12-99Type: Connecting straight plug | Tube OD: ø12 | Connection: Plug-in stem ø12

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