Dimensions — weights, Materials, Watts bronze safety relief valves figure 41a – Watts Figure 41A User Manual
Page 2
2
REF. NO.
PART NAME
MATERIAL
1
Base
Bronze
2
Base Ring
Bronze
3
Base Ring Set Screw
Brass
4
Disc
Bronze
5
Guide and Ring
Bronze
6
Guide Ring Set Screw
Brass
7
Spindle
Steel
8
Spring
Plated Steel
9
Spring Washer
Steel
10
Bonnet
Bronze
11
Adjusting Bolt
Brass
12
Adjusting Bolt Locknut
Plated Steel
13
Lifting Cap Zinc
Alloy/Steel
14
Lifting Cap Pin
Plated Steel
15
Spindle Nut
Plated Steel
16
Spindle Nut Locknut
Plated Steel
17
Seal and Wire
Stainless Steel
Dimensions — Weights
Watts Bronze Safety Relief Valves
Figure 41A
Materials
VALVE SIZE
ORIFICE SIZE
DIMENSIONS
WEIGHT
Inlet x Outlet
A
B
C
D*
E
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lbs.
kgs.
1
⁄
2
x
3
⁄
4
15 x 20
D
6
9
⁄
16
167
1
3
⁄
8
35
2
1
⁄
4
57
1
3
⁄
8
35
1
1
⁄
8
29
2
0.9
3
⁄
4
x
3
⁄
4
20 x 20
D
6
9
⁄
16
167
1
3
⁄
8
35
2
1
⁄
4
57
1
3
⁄
8
35
1
1
⁄
4
32
2.25
1.0
3
⁄
4
x 1
20 x 25
E
7
1
⁄
8
181
1
5
⁄
8
41
2
5
⁄
16
59
1
3
⁄
8
35
1
1
⁄
4
32
2.5
1.1
1 x 1
25 x 25
E
7
1
⁄
8
181
1
5
⁄
8
41
2
5
⁄
16
59
1
3
⁄
8
35
1
1
⁄
2
38
2.75
1.2
1 x 1
1
⁄
4
25 x 32
F
9
229
1
7
⁄
8
48
2
13
⁄
16
71
1
13
⁄
16
46
1
1
⁄
2
38
4
1.8
1
1
⁄
4
x 1
1
⁄
4
32 x 32
F
9
229
1
7
⁄
8
48
2
13
⁄
16
71
1
13
⁄
16
46
1
3
⁄
4
44
4.25
1.9
1
1
⁄
4
x 1
1
⁄
2
32 x 40
G
9
11
⁄
16
246
2
1
⁄
8
54
3
76
1
13
⁄
16
46
1
7
⁄
8
48
7
3.2
1
1
⁄
2
x 1
1
⁄
2
40 x 40
G
9
11
⁄
16
246
2
1
⁄
8
54
3
76
1
13
⁄
16
46
2
1
⁄
16
52
7.25
3.3
1
1
⁄
2
x 2
40 x 50
H
12
1
⁄
8
308
2
9
⁄
16
65
3
1
⁄
2
89
2
3
⁄
4
70
2
1
⁄
4
57
13.5
6.1
2 x 2
50 x 50
H
12
1
⁄
8
308
2
9
⁄
16
65
3
1
⁄
2
89
2
3
⁄
4
70
2
9
⁄
16
65
13.75
6.2
2 x 2
1
⁄
2
50 x 65
J
13
5
⁄
16
338
3
1
⁄
8
79
3
3
⁄
4
95
2
3
⁄
4
70
2
3
⁄
4
70
17.5
7.9
2
1
⁄
2
x 2
1
⁄
2
65 x 65
J
13
5
⁄
16
338
3
1
⁄
8
79
3
3
⁄
4
95
2
3
⁄
4
70
3
76
17.75
8.0
*Add
1
⁄
2
" to D dimension when lever is pulled out to manually operate the valve.