Datasheet

Regulator with Back Flow Mechanism
AR20K to 60K
48
Dimensions
Model
AR20K
AR25K
AR30K
AR40K
AR40K-06
AR50K
AR60K
Port size
1/8, 1/4
1/4, 3/8
1/4, 3/8
1/4, 3/8, 1/2
3/4
3/4, 1
1
Standard specification
Accessory specification
With pressure gauge
Bracket mounting size Panel mount
A
40
53
53
70
75
90
95
B
94
101
116
128
129
169
176
C
26.5
28
31
36
36
43
46
D
57
55
59
68
68
87
87
E
65
64
66
74
74
84
84
F
29.5
28.5
30.5
35
35
44.5
44.5
G
2
Note)
0
3.5
3.5
3
3.3
3.3
J
30
30
41
50
50
70
70
K
34
34
40
54
54
66
66
U
14
16
19
21
21
V
6
6
7
7
7
L
44
44
46
54
56
65.8
65.8
M
5.4
5.4
6.5
8.5
8.5
11
11
N
15.4
15.4
8
10.5
10.5
13
13
P
55
55
53
70
70
90
90
Q
2.3
2.3
2.3
2.3
2.3
3.2
3.2
S
25
26
31
35.5
37
T
28.5
32.5
38.5
42.5
42.5
Note) For AR20K only, the position of the pressure gauge is above the center of the piping.
AR20K to 40K
AR50K, 60K
Square embedded type
pressure gauge (option)
Square embedded type
pressure gauge (option)
Bracket
(option)
Bracket
(option)
Pressure gauge
(option)
Pressure gauge
(option)
IN OUT
Port size
Panel fitting dimension
OUTIN
Port size
Pressure gauge
port size
Plate thickness
AR20K to AR30K: Max. 3.5
AR40K: Max. 5
M
N
CS
L
B
J
E
G
Q
A
K
P
K
P
M
N
CL
B
Q
J
G
A
T
F
D
D
F
E
IN
OUT
U
V
Pressure gauge
port size