12-3. With backflow function
(with round type pressure gauge, square embedded type pressure gauge or digital pressure switch)
Dimensions
Model
P
2
Ａ
Ｂ
Ｃ
Ｄ
J
K
Ｈ
J
H
J
Ｈ
J
Ｈ
J
Ｈ
J
AR20K-D
1/8
40
66.8
26.5
26
26
2
Φ37.5
62.5
Φ37.5
63.5
Φ37.5
63.5
□
28
27
□
27.8
37.5
AR30K-D
1/8
53
86.5
30.5
31.5
31.5
3.5
Φ37.5
68
Φ37.5
69
Φ37.5
69
□
28
32.5
□
27.8
43
AR40K-D
1/8
70
91.5
35.5
40.5
40.5
0
Φ42.5
78
Φ42.5
78
Φ42.5
78
□
28
41.5
□
27.8
52
AR40K-06-D
1/8
75
93
35.5
40.5
40.5
0
Φ42.5
78
Φ42.5
78
Φ42.5
78
□
28
41.5
□
27.8
52
AR50K-D
1/8
90
125
43
50
50
0
Φ42.5
87.5
Φ42.5
87.5
Φ42.5
87.5
□
28
51
□
27.8
61.5
AR60K-D
1/8
95
155
45
50
50
0
Φ42.5
87.5
Φ42.5
87.5
Φ42.5
87.5
□
28
51
□
27.8
61.5
Ｍ
Ｎ
Q
R
Ｓ
Ｔ
U
Ｖ
Ｗ
Ｙ
Ｚ
AR20K-D
30
34
43.9
5.4
15.4
55
2.3
24.7
28.5
14
6
AR30K-D
41
40
46
6.5
8
53
2.3
31.3
38.5
19
7
AR40K-D
50
54
54
8.5
10.5
70
2.3
35.5
42.5
21
7
AR40K-06-D
50
54
55.5
8.5
10.5
70
2.3
37
42.5
21
7
AR50K-D
70
75
66
11
22
113
3.2
-
-
-
-
AR60K-D
70
75
66
11
22
113
3.2
-
-
-
-
Optional specifications
square embedded type
pressure gauge
Standard specifications
Digital
pressure switch
Round type pressure
gauge
(with color zone)
-28-
1/4, 3/8, 1/2
M42×1.5
Model
Optional specifications
Round type pressure
gauge
(Semi-standard: Z)
M38×1.5
P
1
1/4, 3/8
1
The dimension of B is the length when the regulator knob is unlocked.
M62×1.5
Panel mount
M42×1.5
3/4, 1
Bracket mount
1/8, 1/4
3/4
M62×1.5
Ｆ
Round type
pressure gauge
M28×1
Panel thickness
AR20K/AR30K-D: Max.3.5
AR40K-D: Max.5
Panel mounting dimensions
(Pressure gauge port size)
(Port size)
Digital pressure
switch
Square embedded
type pressure gauge
Round type pressure
gauge
Center of piping
Center of
piping
Center of piping
