0.02
0.04
0.06
0.14
0.27
0.77
0.1
0.1
0.2
0.5
0.9
2.7
Characteristics with check valve on both sides
Body size
KKA3
KKA4
KKA6
KKA7
KKA8
KKA9
Plug
KKA3P-01F
KKA4P-02F
KKA6P-04F
KKA7P-06F
KKA8P-10F
KKA9P-12F
KKA3P-01M-1
KKA4P-02M-1
KKA6P-04M-1
KKA3P-01M-1
KKA4P-02M-1
KKA6P-04M-1
Socket
KKA3S-01F
KKA4S-02F
KKA6S-04F
KKA7S-06F
KKA8S-10F
KKA9S-12F
KKA3S-01M
KKA4S-02M
KKA6S-04M
KKA3S-01M-1
KKA4S-02M-1
KKA6S-04M-1
Effective area mm
2
17.4
26.4
54.2
99.6
168.3
332.1
18.5
31.8
55.3
22.6
40.2
76.0
Effective Area
Built-in check valve
Body size
Plug
Socket
P
S
Socket/Plug designation
1/8
1/4
1/2
3/4
1
1 1/4
3
4
6
7
8
9
How to Order
Connection type
Thread size
R, Rc 1/8
R, Rc 1/4
R, Rc 3/8
R, Rc 1/2
R, Rc 3/4
R, Rc 1
R, Rc 1 1/4
R, Rc 1 1/2
Symbol
01
02
03
04
06
10
12
14
Port size
S Couplers
KKA Series
RoHS
Stainless steel type
Symbol
Single plug
With
check valve
Without
check valve
Check valve
on both sides:
Check valve
on single side:
No check valve
on either side:
Single socket
Connected plug and socket
Liquid dripping:
Volume of water leakage at the time when the plug and
socket are uncoupled.
Aeration:
Volume of external air entrained when the plug and
socket are connected.
Liquid dripping
cm
3
at each removal
Aeration
cm
3
at each removal
Specifications
Fluid
Operating
pressure range
Proof pressure
Ambient and
fluid temperature
Non-greased
specification
Material
Seal
One-touch connection and release
Check valve on both sides, Without check valve
Performance
Plug and socket connection
Check valve
Note 1)
Do not use the S couplers with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.
Note) KKA series cannot be connected with KK series or KKH series.
Note 1)
Water, Air
KKA3: –100 kPa to 1 MPa
KKA4/6/7/8/9: 0 to 1 MPa
10 MPa
–5 to 150°C (No freezing)
Note)
This product should not be used with steam.
No grease is used.
(Rubber, Metal sliding parts: Fluorine coated)
Metal part: Stainless steel 304, Rubber material: Fluororubber (Special FKM)
With male thread sealant
Plug: With check valve
Socket: With check valve
Plug:
Without check valve
Socket: With check valve
Plug:
Without check valve
Socket:
Without check valve
Plug
Yes
No
No
Yes
Built-in
check valve
Socket
Yes
Yes
No
No
Availability
Note) A plug with check valve should be used in combination
with a socket with check valve.
If a socket without check valve is used, the check
valve of the plug will not open.
Note) KKA7/8/9 is not available
without a check valve.
Contact us when such a
type is needed.
Type
Male thread (with sealant)
Female thread
Symbol
M
F
Built-in check valve
With check valve
Without check valve
Nil
-1
KKA 4 P M02
343
