Dimensions — weights, Materials – Watts Figure 41A User Manual
Page 3
3
REF. NO.
PART NAME
MATERIAL
1
Body
ASTM A126-B (Grey Iron)
2
Bonnet
ASTM A126-B (Grey Iron)
3
Nozzle
ASTM B26 (Bronze)
4
Nozzle Ring
ASTM B584-844 (Bronze)
5
Disc
ASTM B62 (Bronze)
6
Guide Ring
ASTM B584-844 (Bronze)
7
Adjusting Bolt
ASTM B16 (Brass)
8
Adjusting Bolt Locknut
Steel (Zn Plate)
9
Nozzle Ring Set Screw
Brass
10
Guide Ring Set Screw
Brass
11
Spindle
ASTM A108 Grade 1212
12
Spindle Nut
ASTM A108 Grade 1212
13
Spindle Nut Lock nut
Steel AISI (Zn Plate)
14
Lifting Cap
A126-B Cast Iron
15
Lifting Cap Pins
Steel 1020 (Zn Plate)
16
Pivot Post
Steel AISI
17
Post Pin
Steel AISI 1070 (Zn Plate)
18
Spring Washer
Steel AISI 1212
19
Spring
Steel (Zn Plate)
20
Stud
Steel ASTM A193 B7
21
Stud Nut
Steel ASTM A194 2H
22
Name Plate
SST AISI 304
23
Name Plate Screws
SST 18-8
24
Lead Seal
Lead Commercial
25
Seal Wire
SST AISI 304
26
Lifting Lever
A126-B Cast Iron
27
Clevis Pin
Steel (Zn)
28
Cotter Pin
Steel
29
Liftcap Lockscrew
Steel
Dimensions — Weights
Watts Cast Iron Safety Relief Valves
Figure 41A
Materials
VALVE SIZE
ORIFICE SIZE
DIMENSIONS
WEIGHT
Inlet & Outlet (in.)
A
B
C
D
E
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lbs.
kgs.
1
1
⁄
2
-250# x 2
1
⁄
2
NPT
40 x 65
J
15
381
3
1
⁄
4
83
4
1
⁄
4
108
3
76
–
–
24
11
1
1
⁄
2
NPT x 2
1
⁄
2
NPT
40 x 65
J
14
1
⁄
2
368
3
1
⁄
4
83
4
1
⁄
4
108
3
76
2
3
⁄
4
70
20
9
2-250# x 3 NPT
50 x 80
J,K
15
3
⁄
4
400
4
102
4
5
⁄
8
117
3
1
⁄
2
89
–
–
42
19
2 NPT x 3 NPT
50 x 80
K
15
3
⁄
4
400
4
102
4
5
⁄
8
117
3
1
⁄
2
89
3
5
⁄
8
92
36
16
2
1
⁄
2
-250# x 3 NPT
65 x 80
K
15
3
⁄
4
400
4
102
4
3
⁄
4
121
3
1
⁄
2
89
–
–
45
20
2
1
⁄
2
-250# x 4 NPT
65 x 100
L
23
584
5
1
⁄
8
130
5
1
⁄
2
140
6
152
–
–
105
48
2
1
⁄
2
NPT x 4 NPT
65 x 100
L
23
584
5
1
⁄
8
130
5
1
⁄
2
140
6
152
4
1
⁄
2
114
97
44
3-250# x 3 NPT
80 x 80
K
15
3
⁄
4
400
4
102
5
127
3
1
⁄
2
89
–
–
48
22
3-250# x 4 NPT
80 x 100
L,M
23
584
5
1
⁄
8
130
5
1
⁄
2
140
6
152
–
–
107
49
3-NPT# x 4 NPT
80 x 100
M
23
1
⁄
8
587
5
1
⁄
8
130
5
5
⁄
8
143
6
152
4
1
⁄
2
114
99
45
4-250# x 6-125#
100 x 150
N,P
28
1
⁄
2
724
7
1
⁄
4
184
6
3
⁄
4
171
6
152
–
–
212
96
6-250# x 8-125#
150 x 200
Q,R
45
5
⁄
16
1151
10
254
9
1
⁄
4
235
10
1
⁄
2
267
–
–
675
306