ANDERSON GREENWOOD
4020HP PRESSURE AND VACUUM RELIEF VALVE
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
TABLE 7 - EQUIVALENT WEIGHTS FOR VACUUM SETTINGS
Inlet Size
2 (50)
3 (75)
4 (100)
6 (150)
8 (200)
10 (250)
12 (300)
Mean Sealing
Area (in
2
)
4.53
9.971
17.603
39.662
69.829
109.563
156.894
Inlet Size
2 (50)
3 (75)
4 (100)
6 (150)
8 (200)
10 (250)
12 (300)
Mean Sealing
Area, in
2
(cm
2
)
4.53 (29)
9.971 (64)
17.603 (114)
39.662 (256)
69.829 (451)
109.563 (707)
156.894 (1012)
Setting,
in. w.c. (mbar)
lbs.
oz.
kg
lbs.
oz.
kg
lbs.
oz.
kg
lbs.
oz.
kg
lbs.
oz.
kg
lbs.
oz.
kg
lbs.
oz.
kg
11
0.04 (1)
0
1.1
0
0
2.3
0
0
4.1
0
0
9.2
0.0
1
0.2
0.5
1
9.4
0.5
2
4.4
0.9
0.08 (2)
0
2.1
0
0
4.6
0
0
8.2
0
1
2.4
0.5
2
0.4
0.9
3
2.9
1.4
4
8.9
1.8
1.2 (3)
0
3.2
0
0
6.9
0
0
12.3
0
1
11.6
0.5
3
0.6
1.4
4
12.3
1.8
6
13.3
2.7
1.6 (4)
0
4.2
0
0
9.3
0
1
0.4
0.5
2
4.8
0.9
4
0.9
1.8
6
5.8
2.7
9
1.7
4.1
2.0 (5)
0
5.3
0
0
11.6
0
1
4.4
0.5
2
14.0
0.9
5
1.1
2.3
7
15.2
3.2
11
6.2
5.0
2.4 (6)
0
6.3
0
0
13.9
0
1
8.5
0.5
3
7.3
1.4
6
1.3
2.7
9
8.7
4.1
13
10.6
5.9
2.8 (7)
0
7.4
0
1
0.2
0.5
1
12.6
0.5
4
0.5
1.8
7
1.5
3.2
11
2.1
5.0
15
15.0
6.8
3.2 (8)
0
8.4
0
1
2.5
0.5
2
0.7
0.9
4
9.7
1.8
8
1.7
3.6
12
11.5
5.4
18
3.5
8.2
3.6 (9)
0
9.5
0
1
4.8
0.5
2
4.8
0.9
5
2.9
2.3
9
1.9
4.1
14
5.0
6.4
20
7.9
9.1
4.0 (10)
0
10.5
0
1
7.2
0.5
2
8.9
0.9
5
12.1
2.3
10
2.2
4.5
15
14.4
6.8
22
12.3
10
4.8 (12)
0
12.6
0
1
11.8
0.5
3
1.1
1.4
6
14.5
2.7
12
2.6
5.4
19
1.3
8.6
27
5.2
12
5.6 (14)
0
14.7
0
2
0.4
0.9
3
9.2
1.4
8
0.9
3.6
14
3.0
6.4
22
4.2
10
31
14.1
14
6.4 (16)
1
0.8
0.5
2
5.0
0.9
4
1.4
1.8
9
3.4
4.1
16
3.5
7.3
25
7.1
11
36
6.9
16
7.2 (18)
1
2.9
0.5
2
9.7
0.9
4
9.6
1.8
10
5.8
4.5
18
3.9
8.2
28
10.0
13
40
15.8
18
8.0 (20)
1
5.0
0.5
2
14.3
0.9
5
1.8
2.3
11
8.2
5.0
20
4.3
9.1
31
12.9
14
45
8.7
20
8.8 (22)
1
7.1
0.5
3
2.9
1.4
5
9.9
2.3
12
10.6
5.4
22
4.8
10
34
15.7
15
50
1.5
23
9.6 (24)
1
9.2
0.5
3
7.6
1.4
6
2.1
2.7
13
13.1
5.9
24
5.2
11
38
2.6
17
54
10.4
24
10 (26)
1
11.3
0.5
3
12.2
1.4
6
10.3
2.7
14
15.5
6.4
26
5.6
12
41
5.5
19
59
3.3
27
11 (28)
1
13.5
0.5
4
0.8
1.8
7
2.5
3.2
16
1.9
7.3
28
6.0
13
44
8.4
20
63
12.2
29
12 (30)
1
15.6
0.5
4
5.5
1.8
7
10.6
3.2
17
4.3
7.7
30
6.5
14
47
11.3
21
68
5.0
31
13 (32)
2
1.7
0.9
4
10.1
1.8
8
2.8
3.6
18
6.7
8.2
32
6.9
15
50
14.2
23
72
13.9
33
14 (34)
2
3.8
0.9
4
14.7
1.8
8
11.0
3.6
19
9.2
8.6
34
7.3
15
54
1.1
24
77
6.8
35
14 (36)
2
5.9
0.9
5
3.4
2.3
9
3.2
4.1
20
11.6
9.1
36
7.8
16
57
3.9
26
81
15.6
37
15 (38)
2
8.0
0.9
5
8.0
2.3
9
11.3
4.1
21
14.0
9.5
38
8.2
17
60
6.8
27
86
8.5
39
16 (40)
2
10.1
0.9
5
12.6
2.3
10
3.5
4.5
23
0.4
10
40
8.6
18
63
9.7
29
91
1.4
41
17 (42)
2
12.2
0.9
6
1.2
2.7
10
11.7
4.5
24
2.8
11
42
9.1
19
66
12.6
30
95
10.2
43
18 (44)
2
14.3
0.9
6
5.9
2.7
11
3.9
5.0
25
5.2
11
44
9.5
20
69
15.5
31
100
3.1
45
18 (46)
3
0.4
1.4
6
10.5
2.7
11
12.0
5.0
26
7.7
12
46
9.9
21
73
2.4
33
104
12.0
47
19 (48)
3
2.5
1.4
6
15.1
2.7
12
4.2
5.4
27
10.1
12
48
10.4
22
76
5.3
34
109
4.8
49
20 (50)
3
4.6
1.4
7
3.8
3.2
12
12.4
5.4
28
12.5
13
50
10.8
23
79
8.1
36
113
13.7
51
