KKA Series Stainless Steel Type Socket (S) Male Thread Type S Coupler
Caution
Product Description
Available with or without a check valve to suit different working conditions.
[Features]
· Male thread type socket.
· Body material: stainless steel (SUS304).
· Seal material: fluoroelastomer (special FKM).
· Reduces amount of liquid dripping when disconnecting plug.
· Liquid dripping amount: 0.02 to 0.77 cm³ at each removal; aeration amount: 0.1 to 2.7 cm³ at each attachment.
· Non-greased specification (standard).
S Coupler KKA Series Stainless Steel Type Socket (S) Male Thread Type Specifications
Without check valve, plug, male thread type external appearance
JIS symbols for the KKA series
| Working Fluid | Water, air |
|---|---|
| Operating Pressure Range*1 | KKA3: -100 kPa to 1 MPa KKA4, KKA6, KKA7, KKA8, KKA9: 0 to 1 MPa |
| Guaranteed Proof Pressure | 10 MPa |
| Ambient Temperature and Working 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 coating) |
| Material | Metal parts: SUS304; rubber parts: fluoroelastomer (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.
Performance
- Plug connection method: single-action connection and release
- Check valve: check valve built-in to both plug and socket sides, without check valve
*The KKA series cannot be connected to the KK series or the KKH series.
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 socket is disengaged.
- "Aeration amount" refers to the amount of external air that is entrained when the plug and socket are connected.
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
Structural Drawing
Socket structural drawing
KKA series structural drawing
| Number | Part Name | Material | Note |
|---|---|---|---|
| 1 | Socket body | SUS304 | - |
| 2 | Socket rear body | SUS304 | - |
| 3 | Socket valve | SUS304 | - |
| 4 | Collar | SUS304 | Fluorine coating |
| 5 | Sleeve | SUS304 | Plated with material containing fluorine |
| 6 | Valve O-ring | Special FKM | Fluorine coating |
| 7 | Plug O-ring | Special FKM | Fluorine coating |
| 8 | Socket body O-ring | Special FKM | Fluorine coating |
| 9 | Collar seal | Special FKM | Fluorine coating |
| 10 | Collar spring | Equivalent to SUS304 | KKA3, KKA4, KKA6 |
| SUS304 | KKA7, 8, 9 | ||
| 11 | Sleeve spring | SUS304 | - |
| 12 | Steel ball | SUS304 | - |
| 13 | Stopper ring | SUS304 | - |
Dimensions: Socket (S)
With Check Valve
With check valve, male thread type dimensional drawing
(Unit: mm)
| Body Size | Model | T Connection Port Diameter | H Width Across Flats | øD | L | A | Minimum Hole Diameter | Effective Cross-sectional Area mm2 | Weight g |
|---|---|---|---|---|---|---|---|---|---|
| 1/8 | KKA3S-01M | R 1/8 | 17 | 18.5 | 38.1 | 34.1 | 5.9 | 18.5 | 38.5 |
| KKA3S-02M | R 1/4 | 41.1 | 35.1 | 41.8 | |||||
| KKA3S-03M | R 3/8 | 42.1 | 35.6 | 46.3 | |||||
| 1/4 | KKA4S-02M | R 1/4 | 22 | 24.2 | 46.0 | 40.0 | 7.7 | 31.8 | 76.8 |
| KKA4S-03M | R 3/8 | 47.0 | 40.5 | 78.5 | |||||
| KKA4S-04M | R 1/2 | 50.0 | 42.0 | 86.6 | |||||
| 1/2 | KKA6S-03M | R 3/8 | 30 | 30.7 | 51.4 | 44.9 | 10.2 | 55.3 | 149.1 |
| KKA6S-04M | R 1/2 | 54.4 | 46.4 | 160.4 | |||||
| KKA6S-06M | R 3/4 | 56.4 | 46.9 | 184.8 | |||||
| 3/4 | KKA7S-04M | R 1/2 | 36 | 42.5 | 76.3 | 68.1 | 13.6 | 101.5 | 426.1 |
| KKA7S-06M | R 3/4 | 79.3 | 69.8 | 457.8 | |||||
| KKA7S-10M | R1 | 82.8 | 72.4 | 514.0 | |||||
| 1 | KKA8S-06M | R 3/4 | 46 | 55 | 94.9 | 85.4 | 17.6 | 169.9 | 873.5 |
| KKA8S-10M | R1 | 98.4 | 88.0 | 931.1 | |||||
| KKA8S-12M | R 1 1/4 | 100.4 | 87.7 | 1,012.9 | |||||
| 1 1/4 | KKA9S-10M | R1 | 63 | 69 | 125.5 | 115.1 | 22.0 | 264.9 | 1,680.7 |
| KKA9S-12M | R 1 1/4 | 127.5 | 114.8 | 25.1 | 344.9 | 1,758.1 | |||
| KKA9S-14M | R1 1/2 | 127.5 | 114.8 | 1,819.4 |
Without Check Valve
Without check valve, male thread type dimensional drawing
(Unit: mm)
| Body Size | Model | T Connection Port Diameter | H Width Across Flats | φD | L | A | Minimum Hole Diameter | Effective Cross-sectional Area mm2 | Weight g |
|---|---|---|---|---|---|---|---|---|---|
| 1/8 | KKA3S-01M-1 | R 1/8 | 17 | 18.5 | 38.1 | 34.1 | 6.1 | 23.4 | 36.1 |
| KKA3S-02M-1 | R 1/4 | 41.1 | 35.1 | 39.4 | |||||
| KKA3S-03M-1 | R 3/8 | 42.1 | 35.6 | 43.9 | |||||
| 1/4 | KKA4S-02M-1 | R 1/4 | 22 | 24.2 | 46.0 | 40.0 | 8.1 | 41.2 | 71.9 |
| KKA4S-03M-1 | R 3/8 | 47.0 | 40.5 | 73.6 | |||||
| KKA4S-04M-1 | R 1/2 | 50.0 | 42.0 | 81.7 | |||||
| 1/2 | KKA6S-03M-1 | R 3/8 | 30 | 30.7 | 51.4 | 44.9 | 11.4 | 81.6 | 138.3 |
| KKA6S-04M-1 | R 1/2 | 54.4 | 46.4 | 149.6 | |||||
| KKA6S-06M-1 | R 3/4 | 56.4 | 46.9 | 174.0 |
Notes
- *The image is representative of the product. The actual product may vary from the images shown.
- *Refer to the manufacturer's catalog for information not provided above.