S Coupler KK Series, Socket (S) Straight Type With One-Touch Fitting
Caution
- Refer to the catalog for product specs.
- The product shown in the image may be a representative image. Refer to the catalog for product shapes and types.
Product Description
An S coupler / one-touch joint joint with improved plug/socket pull-out strength.
[Features]
· Equipped as standard with a sleeve cover.
· Shock resistance has been improved by changing the lock ring to shock-resistant PBT.
· The loss of effective area is minimized because there is no valve spring to block the flow path.
· The check valve end configuration facilitates a rectifying effect.
· A sealing structure with low leakage.
· Employs a unique connection method.
[Applications]
· Fluids used: air, water.
S Coupler KK Series Straight Type With One-Touch Fitting specifications
Straight Type With One-Touch Fitting KK2 external appearance
Straight Type With One-Touch Fitting KK3, 4, 6 external appearance
Straight Type With One-Touch Fitting KK2 dimensional drawing
Straight Type With One-Touch Fitting KK3, 4, 6 dimensional drawing
| Body size | Model | Applicable tube outer diameter | φD1 | φD2 | L1 | L2 When connected | M | Minimum hole diameter | Effective area mm2 | Weight g | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Urethane tube | Nylon tube | ||||||||||
| M5 | KK2S-23H | φ3.2 | 10.0 | 7.0 | 33.8 | 35.3 | 12.7 | 2.5 | 3.8 | 4.6 | 6.4 |
| KK2S-04H | φ4 | 8.0 | 33.6 | 35.1 | 3.4 | 4.0 | 4.8 | 6.5 | |||
| KK2S-06H | φ6 | 10.0 | 33.9 | 35.4 | 13.5 | 4.7 | 5.8 | 5.8 | 7.9 | ||
| 1/8 | KK3S-04H | ø4 | 20.2 | 10.0 | 46.6 | 49.1 | 16.0 | 3.2 | 3.8 | 5.8 | 22.5 |
| KK3S-06H | ø6 | 12.0 | 47.1 | 49.6 | 17.0 | 4.7 | 10.4 | 13.4 | 24.4 | ||
| KK3S-08H | φ8 | 14.0 | 48.9 | 51.4 | 18.5 | 6.2 | 16.8 | 18.9 | 27.3 | ||
| KK3S-10H | φ10 | 17.0 | 49.9 | 52.4 | 21.0 | 7.7 | 19.1 | 19.1 | 37.1 | ||
| 1/4 | KK4S-06H | ø6 | 28.0 | 12.0 | 58.2 | 61.9 | 17.0 | 4.7 | 10.4 | 13.4 | 51.4 |
| KK4S-08H | ø8 | 14.0 | 60.1 | 63.8 | 18.5 | 6.2 | 18.3 | 21.8 | 51.3 | ||
| KK4S-10H | ø10 | 17.0 | 61.5 | 65.2 | 21.0 | 7.7 | 27.0 | 29.4 | 54.8 | ||
| KK4S-12H | φ12 | 19.0 | 62.5 | 66.2 | 22.0 | 9.2 | 30.5 | 32.0 | 59.4 | ||
| 1/2 | KK6S-12H | 31.6 | 70.1 | 75.4 | 42.7 | 48.8 | 84.1 | ||||
| KK6S-16H | φ16 | 25.7 | 72.3 | 77.6 | 25.0 | 13.2 | 53.4 | 62.5 | 99.9 | ||
Unit: mm
Common specifications
| Operating fluid | Air, water |
|---|---|
| Operating pressure rangeNote: | KK2: -100 kPa to 1 MPa KK3: -90 kPa to 1 MPa KK4/6: 0 to 1 MPa |
| Guaranteed proof pressure | 1.5 MPa |
| Ambient temperature and working fluid temperature | Air: -5 to 60°C Water: 5 to 40°C (no freezing) |
| Plating, seal | With electroless nickel plating (copper-free and fluorine-free application) and male thread sealant |
Note: Do not use with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.
Common performance
| Plug/socket connection method | One-touch connection |
|---|---|
| Check valve | Socket: check valve built-in (standard) |
| Sleeve lock mechanismNote: | Manual locking type (standard) |
Note: The KK2 series does not include a lock mechanism.
Flow rate characteristics
Air (0 to 1 MPa): KK2
Air (0 to 1 MPa): KK3, 4, 6
Water (0 to 0.4 MPa): KK2
Water (0 to 0.4 MPa): KK3, 4, 6
- Note: Refer to the manufacturer's catalog for specifications other than those above.