KKA*S-*F, S-Couplers, Stainless Steel, Female Thread
· Seal material: Fluororubber (special FKM)
[Features]
· Available with or without check valve to suit different working conditions
· Reduces amount of liquid dripping when disconnecting plug from socket
Liquid dripping amount: 0.02 to 0.77 cm³ at each removal; aeration amount: 0.1 to 2.7 cm³ at each removal
· Non-greased specification (standard)
Part Number
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S Coupler KKA Series Stainless Steel Socket Female Thread Type Specifications
JIS symbols for plug only and socket only
JIS symbol for connected plug and socket
| Working Fluid | Water, air |
|---|---|
| Operating Pressure Range*1 | KKA3: -100 kPa to 1 MPa KKA4, KKA6, KKA7, KKA8, KKA9: 0 to 1 MPa |
| Proof Pressure | 10 MPa |
| Ambient and Fluid Temperature Range | -5 to +150℃ (no freezing) *Cannot be used for steam |
| Non-greased Specification | Does not use grease. (Rubber and metal sliding parts: fluorine coated) |
| Material | Metal parts: Stainless steel 304; rubber parts: fluororubber (special FKM) |
| Seal | Includes male thread sealant |
*1: Do not use with a leak tester or for vacuum retention as zero leakage cannot be guaranteed.
Characteristics of Models With Check Valve on Both Sides
| Body Size | Liquid Dripping Amount (cm³ per instance) | Aeration Amount (cm³ per instance) |
|---|---|---|
| KKA3 | 0.02 | 0.1 |
| KKA4 | 0.04 | 0.1 |
| KKA6 | 0.06 | 0.2 |
| KKA7 | 0.14 | 0.5 |
| KKA8 | 0.27 | 0.9 |
| KKA9 | 0.77 | 2.7 |
- "Liquid dripping amount" refers to the amount of internal water that is lost when the plug and socket are disengaged
- "Aeration amount" refers to the amount of external air that is entrained when the plug and socket are connected
Effective Cross-sectional Area
| With or Without Check Valve | Socket | Effective Cross-sectional Area mm² |
|---|---|---|
| Plug socket with check valve on both sides | KKA3S-01F | 17.4 |
| KKA4S-02F | 26.4 | |
| KKA6S-04F | 54.2 | |
| KKA7S-06F | 99.6 | |
| KKA8S-10F | 168.3 | |
| KKA9S-12F | 332.1 |
Dimensions: Socket (S)
With Check Valve
With check valve, female thread type dimensional drawing
(Unit: mm)
| Body Size | Model | T Connection Port Size | H Width Across Flats | φD | L | Minimum Bore Size | Effective Area mm2 | Weight g |
|---|---|---|---|---|---|---|---|---|
| 1/8 | KKA3S-01F | Rc 1/8 | 17 | 18.5 | 37.6 | 5.9 | 18.5 | 46.9 |
| KKA3S-02F | Rc 1/4 | 41.2 | 47.2 | |||||
| KKA3S-03F | Rc 3/8 | 19 | 43.1 | 52.3 | ||||
| 1/4 | KKA4S-02F | Rc 1/4 | 22 | 24.2 | 46.1 | 7.7 | 31.8 | 97.1 |
| KKA4S-03F | Rc 3/8 | 46.9 | 91.1 | |||||
| KKA4S-04F | Rc 1/2 | 24 | 52.3 | 104.3 | ||||
| 1/2 | KKA6S-03F | Rc 3/8 | 30 | 30.7 | 50.5 | 10.2 | 55.3 | 189.6 |
| KKA6S-04F | Rc 1/2 | 56.2 | 202.0 | |||||
| KKA6S-06F | Rc 3/4 | 57.9 | 180.6 | |||||
| 3/4 | KKA7S-04F | Rc 1/2 | 36 | 42.5 | 75.1 | 13.6 | 101.5 | 477.2 |
| KKA7S-06F | Rc 3/4 | 76.5 | 457.4 | |||||
| KKA7S-10F | Rc 1 | 41 | 82.3 | 550.9 | ||||
| 1 | KKA8S-06F | Rc 3/4 | 46 | 55 | 90.9 | 17.6 | 169.9 | 935.2 |
| KKA8S-10F | Rc 1 | 93.9 | 914.7 | |||||
| KKA8S-12F | Rc1 1/4 | 50 | 99.2 | 1,002.1 | ||||
| 1 1/4 | KKA9S-10F | Rc 1 | 63 | 69 | 121.8 | 25.1 | 344.9 | 1,919.1 |
| KKA9S-12F | Rc1 1/4 | 121.8 | 1,810.0 | |||||
| KKA9S-14F | Rc1 1/2 | 121.8 | 1,732.6 |
Without Check Valve
Without check valve, female thread type dimensional drawing
(Unit: mm)
| Body Size | Model | T Connection Port Size | H Width Across Flats | φD | L | Minimum Bore Size | Effective Area mm2 | Weight g |
|---|---|---|---|---|---|---|---|---|
| 1/8 | KKA3S-01F-1 | Rc 1/8 | 17 | 18.5 | 37.6 | 6.1 | 23.4 | 44.5 |
| KKA3S-02F-1 | Rc 1/4 | 41.2 | 44.8 | |||||
| KKA3S-03F-1 | Rc 3/8 | 19 | 43.1 | 49.9 | ||||
| 1/4 | KKA4S-02F-1 | Rc 1/4 | 22 | 24.2 | 46.1 | 8.1 | 41.2 | 92.2 |
| KKA4S-03F-1 | Rc 3/8 | 46.9 | 86.2 | |||||
| KKA4S-04F-1 | Rc 1/2 | 24 | 52.3 | 99.4 | ||||
| 1/2 | KKA6S-03F-1 | Rc 3/8 | 30 | 30.7 | 50.5 | 11.4 | 81.6 | 178.8 |
| KKA6S-04F-1 | Rc 1/2 | 56.2 | 191.2 | |||||
| KKA6S-06F-1 | Rc 3/4 | 57.9 | 169.8 |
Structural Drawing
Socket structural drawing
KKA series structural drawing
| Number | Part Name | Material | Note |
|---|---|---|---|
| 1 | Socket body | Stainless steel 304 | - |
| 2 | Socket rear body | Stainless steel 304 | - |
| 3 | Socket valve | Stainless steel 304 | - |
| 4 | Collar | Stainless steel 304 | Fluorine coated |
| 5 | Sleeve | Stainless steel 304 | Plated with material containing fluorine |
| 6 | Valve O-ring | Special FKM | Fluorine coated |
| 7 | Plug O-ring | Special FKM | Fluorine coated |
| 8 | Socket body O-ring | Special FKM | Fluorine coated |
| 9 | Collar seal | Special FKM | Fluorine coated |
| 10 | Collar spring | Equivalent to Stainless steel 304 | KKA3, KKA4, KKA6 |
| Stainless steel 304 | KKA7, 8, 9 | ||
| 11 | Sleeve spring | Stainless steel 304 | - |
| 12 | Steel ball | Stainless steel 304 | - |
| 13 | Stopper ring | Stainless steel 304 | - |
Flow Rate Characteristics
Air
Plug: with check valve / socket: with check valve
Plug: without check valve / socket: with check valve
Plug: with check valve / socket: with check valve
Plug: without check valve / socket: without check valve
Notes
- *Please check the individual safety precautions for each product.
- *Please refer to the manufacturer's catalog for product information not provided above.
| Part Number |
Standard Unit Price
| Minimum order quantity | Volume Discount | Operating Temperature Range (℃) | Operating Pressure Range (MPa) | Size of Body | Pipe Connection Bore Dia. | With or Without Check Valve | |
|---|---|---|---|---|---|---|---|---|---|
56.05 € | 1 | 4 Days | - | - | 1/8 | Rc 1/8 | Yes | ||
46.71 € | 1 | 26 Days | - | - | 1/8 | Rc 1/8 | No | ||
56.05 € | 1 | 22 Days | -5～150 | -0.1～1 | 1/8 | Rc1/4 | Y | ||
46.71 € | 1 | 26 Days | -5～150 | -0.1～1 | 1/8 | Rc1/4 | N | ||
56.05 € | 1 | 26 Days | -5～150 | -0.1～1 | 1/8 | Rc3/8 | Y | ||
46.71 € | 1 | 26 Days | -5～150 | -0.1～1 | 1/8 | Rc3/8 | N | ||
66.92 € | 1 | 22 Days | -5～150 | 0～1 | 1/4 | Rc1/4 | Y | ||
56.05 € | 1 | 4 Days | -5～150 | 0～1 | 1/4 | Rc1/4 | N | ||
66.92 € | 1 | 4 Days | -5～150 | 0～1 | 1/4 | Rc3/8 | Y | ||
56.05 € | 1 | 26 Days | -5～150 | 0～1 | 1/4 | Rc3/8 | N | ||
68.45 € | 1 | 22 Days | -5～150 | 0～1 | 1/4 | Rc1/2 | Y | ||
57.60 € | 1 | 26 Days | -5～150 | 0～1 | 1/4 | Rc1/2 | N | ||
116.71 € | 1 | 4 Days | -5～150 | 0～1 | 1/2 | Rc3/8 | Y | ||
101.18 € | 1 | 26 Days | -5～150 | 0～1 | 1/2 | Rc3/8 | N | ||
119.77 € | 1 | 4 Days | - | - | 1/2 | Rc 1/2 | Yes | ||
104.24 € | 1 | 26 Days | -5～150 | 0～1 | 1/2 | Rc1/2 | N | ||
122.92 € | 1 | 22 Days | -5～150 | 0～1 | 1/2 | Rc 3/4 | Y | ||
107.39 € | 1 | 26 Days | -5～150 | 0～1 | 1/2 | Rc 3/4 | N | ||
264.44 € | 1 | 26 Days | -5～150 | 0～1 | 3/4 | Rc1/2 | Y | ||
264.44 € | 1 | 22 Days | -5～150 | 0～1 | 3/4 | Rc 3/4 | Y | ||
292.39 € | 1 | 26 Days | -5～150 | 0～1 | 3/4 | Rc 1 | Y | ||
432.40 € | 1 | 26 Days | -5～150 | 0～1 | 1 | Rc 3/4 | Y | ||
432.32 € | 1 | 22 Days | -5～150 | 0～1 | 1 | Rc 1 | Y | ||
468.19 € | 1 | 26 Days | -5～150 | 0～1 | 1 | Rc1 1/4 | Y | ||
905.26 € | 1 | 26 Days | -5～150 | 0～1 | 1 1/4 | Rc 1 | Y | ||
905.26 € | 1 | 26 Days | -5～150 | 0～1 | 1 1/4 | Rc1 1/4 | Y | ||
947.40 € | 1 | 26 Days | -5～150 | 0～1 | 1 1/4 | Rc1 1/2 | Y |
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Basic information
| Type | Standard | Joint Type | Female Threaded Tapped | Male/Female | Socket |
|---|---|---|---|---|---|
| Main Body Material | Stainless Steel (EN 1.4301 Equiv.) | Applicable Fluid | Water / Air | Usage Environment/Application | Standard |
Configure
Basic Attributes
-
Size of Body
- 1
- 1 1/4
- 1/2
- 1/4
- 1/8
- 3/4
-
Pipe Connection Bore Dia.
- Rc 1
- Rc1 1/2
- Rc1 1/4
- Rc1/2
- Rc 1/2
- Rc1/4
- Rc 1/8
- Rc 3/4
- Rc3/8
-
With or Without Check Valve
- N
- No
- Y
- Yes
-
Type
- KKA□S-□F
- KKA□S-□F-1
-
Filter by CAD data type
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Filter by standard shipping days
-
- All
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- 26 Days or Less
Optional Attributes
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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