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S Coupler KK Series Socket (S), Nut Fitting Type (For Fiber Reinforced Urethane Hose) (KK4S-50N)
An S coupler one-touch joint by SMC.
[Features]
· Improved plug/socket pull-out strength.
(i)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.
Part Number
Configured Part Number is shown.
KK4S-50N
S Coupler KK Series, Nut Fitting Type (For Fiber Reinforced Urethane Hose) specification
Nut Fitting Type (For Fiber Reinforced Urethane Hose) external appearance
Nut Fitting Type (For Fiber Reinforced Urethane Hose) dimensional drawing
| Body size | Model | Applicable hose internal diameter / outer diameter | H1 Width across flats | H2 Width across flats | øD | L1 | L2 When connected | M | Minimum hole diameter | Effective area mm2 | Weight g |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | KK3S-50N | 5/8 | 14 | 14 | 20.2 | 42.6 | 45.1 | 13.7 | 4.5 | 12.2 | 32.1 |
| KK3S-60N | 6/9 | 17 | 17 | 44.4 | 46.9 | 16.5 | 5.4 | 18.3 | 48.7 | ||
| KK3S-65N | 6.5/10 | 5.9 | 19.2 | 46.4 | |||||||
| 1/4 | KK4S-50N | 5/8 | 19 | 14 | 28.0 | 54.1 | 57.8 | 13.7 | 4.5 | 12.2 | 55.8 |
| KK4S-60N | 6/9 | 17 | 56.8 | 60.5 | 16.5 | 5.4 | 20.4 | 69.3 | |||
| KK4S-65N | 6.5/10 | 5.9 | 24.1 | 66.8 | |||||||
| KK4S-80N | 8/12 | 19 | 55.4 | 59.1 | 17.4 | 7.4 | 35.1 | 68.5 | |||
| KK4S-85N | 8.5/12.5 | 7.8 | 36.6 | 71.1 | |||||||
| 1/2 | KK6S-80N | 8/12 | 24 | 31.6 | 66.0 | 71.3 | 7.4 | 107.5 | |||
| KK6S-85N | 8.5/12.5 | 7.8 | 41.2 | 110.2 | |||||||
| KK6S-110N | 11/16 | 24 | 64.4 | 69.7 | 20.1 | 10.2 | 68.4 | 119.8 |
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 mechanism | Manual locking type (standard) |
Flow rate characteristics
Air (0 to 1 MPa)
Water (0 to 0.4 MPa)
Features
Low leakage seal construction: Uses surface contact to achieve reliable sealing.
Sleeve lock mechanism: Prevents accidents caused by unexpected separation.
| Part Number |
|---|
| KK4S-50N |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Size of Body | Applicable Hose Inner Diameter / Outer Diameter (mm) |
|---|---|---|---|---|---|---|
SGD 15.05 | 1 Piece(s) | 31 Day(s) | 1/4 | 5/8 |
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Basic Information
| Joint Type | Nut Tightening Type | Male/Female | Socket | Body Material | C3604 |
|---|---|---|---|---|---|
| Applicable Fluid | Water / Air | Type | Standard | Valve Structure | Single Passage Opening Closing Type |
| With or Without Check Valve | Yes |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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