Technical Parameters for Coupling Quick Joint KKA
Operating Pressure Range: KKA3：-100kPa~1.0MPa
Ambient and fluid temperature: -5~100℃ (No Freezing)
Lubrication: No Lubrication
Material: Metal part: SUS304, sealing ring: FKM
Specification for Coupling Quick Joint KKA
| Fluid |
Air, Water |
| Operating Pressure Range |
KKA3：-100kPa~1.0MPa |
| KKA4 · 6 · 7 · 8 · 9：0~1.0MPa |
| Ambient and fluid temperature |
-5~100℃ (No Freezing) |
| Do not use for steam |
| Lubrication |
No Lubrication |
| Rubber parts: fluoride coating |
| Metal sliding parts: fluoride coating |
| Material |
Metal part: SUS304, sealing ring: FKM |
| Seal |
Apply sealant to the thread |
Plugs and sockets are equipped with enhanced one-way valve to reduce the amount of leakage liquid when split and the amount of externally mixed air when connecting .
Ordering Code Stroke for Coupling Quick Joint KKA
Symbol for Coupling Quick Joint KKA
The characteristics of both sides with check valves
| Body size |
The amount of leakage liquid (cm³ per split) |
The amount of mixed air (cm³ per split) |
| LLA3 |
0.02 |
0.1 |
| LLA4 |
0.04 |
0.1 |
| LLA6 |
0.06 |
0.2 |
The amount of leakage liquid：The amount of internal liquid leakage when joint at each split.
The amount of mixed air：The amount of external mixed air when joint at each connection.
Effective Sectional Area
| Check Valve |
Plug |
Socket |
Effective sectional area mm² |
Plug: With Check Valve
Socket: With Check Valve |
KKA3P-01F |
KKA3S-01F |
16.2 |
| KKA4P-02F |
KKA4S-02F |
26.5 |
| KKA6P-04F |
KKA6S-04F |
56.4 |
Male thread plug with Coupling Quick Joint
| Body size |
Port Size |
Model |
| 1/8 |
R1/8 |
KKA3P-01M |
| R1/4 |
KKA3P-02M |
| R3/8 |
KKA3P-03M |
| 1/4 |
R1/4 |
KKA4P-02M |
| R3/8 |
KKA4P-03M |
| R1/2 |
KKA4P-04M |
| 1/2 |
R3/8 |
KKA6P-03M |
| R1/2 |
KKA6P-04M |
| R3/4 |
KKA6P-06M |
Male thread socket with Coupling Quick Joint
| Body size |
Port Size |
Model |
| 1/8 |
R1/8 |
KKA3S-01M |
| R1/4 |
KKA3S-02M |
| R3/8 |
KKA3S-03M |
| 1/4 |
R1/4 |
KKA4S-02M |
| R3/8 |
KKA4S-03M |
| R1/2 |
KKA4S-04M |
| 1/2 |
R3/8 |
KKA6S-03M |
| R1/2 |
KKA6S-04M |
| R3/4 |
KKA6S-06M |
Female thread plug with Coupling Quick Joint
| Body size |
Port Size |
Model |
| 1/8 |
R1/8 |
KKA3P-01F |
| R1/4 |
KKA3P-02F |
| R3/8 |
KKA3P-03F |
| 1/4 |
R1/4 |
KKA4P-02F |
| R3/8 |
KKA4P-03F |
| R1/2 |
KKA4P-04F |
| 1/2 |
R3/8 |
KKA6P-03F |
| R1/2 |
KKA6P-04F |
| R3/4 |
KKA6P-06F |
Female thread Socket with check valve
| Body size |
Port Size |
Model |
| 1/8 |
R1/8 |
KKA3S-01F |
| R1/4 |
KKA3S-02F |
| R3/8 |
KKA3S-03F |
| 1/4 |
R1/4 |
KKA4S-02F |
| R3/8 |
KKA4S-03F |
| R1/2 |
KKA4S-04F |
| 1/2 |
R3/8 |
KKA6S-03F |
| R1/2 |
KKA6S-04F |
| R3/4 |
KKA6S-06F |
Coupling Quick Joint KKA | Pneumatic Cylinder Actuator
