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Double Port Safety Valve Size selection
Use this table for steam boilers
Double spring high lift safety valve With improvements being made from time to time, the specifications are subject to alteration without notice.
Notes:
· Cast Iron body. Pressure Up to 13kg/Cm2 temp, 428 F
· Cast Steel body, Pressure Up to 40kg/cm2 Temp, 400c
· Bronze body, Pressure Up to 17.5kg/cm2 temp. 428F
Main External Dimensions.
 |
|
Type |
Dimensions |
||||||
|
DN |
L |
L1 |
B |
DN1 |
do |
H |
|
|
A37H-16/25/40 C |
50 |
115 |
225 |
165 |
32 |
2 x 25 |
310 |
|
80 |
140 |
310 |
205 |
65 |
2 x50 |
415 |
|
|
100 |
160 |
355 |
255 |
80 |
2 x 65 |
420 |
|
|
125 |
170 |
400 |
275 |
100 |
2 x 80 |
540 |
|
|
150 |
190 |
440 |
300 |
125 |
2 x 100 |
625 |
|
|
A38Y-16/25/40 C |
50 |
198 |
225 |
165 |
40 |
2 x 20 |
310 |
|
80 |
230 |
285 |
190 |
65 |
2 x 32 |
335 |
|
|
100 |
275 |
350 |
230 |
80 |
2 x 40 |
420 |
|
|
150 |
343 |
400 |
275 |
125 |
2 x 65 |
555 |
|
|
A43H-16/25/40 C |
50 |
115 |
225 |
165 |
32 |
2 x 25 |
310 |
|
80 |
135 |
285 |
190 |
50 |
2 x 40 |
380 |
|
|
100 |
160 |
355 |
255 |
80 |
2 x 65 |
420 |
|
|
125 |
170 |
400 |
275 |
100 |
2 x 80 |
540 |
|
|
150 |
190 |
440 |
300 |
125 |
2 x 100 |
625 |
|