GB/T 1852 蒸汽减压阀GB/T 1852 Steam Pressure Relief Valve
产品型号：GB/T 1852-93
适用介质：不高于300℃的蒸汽
材料：本体、盖为ZG230-450
|
公称直径mm |
进口DN1 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
|
出口DN2 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 | |
|
蒸汽压力MPa |
进口压力p1 |
0.4~2.5 | |||||||||
|
出口压力p2 |
0.2~0.6 | ||||||||||
|
0.6~1.2 | |||||||||||
|
注：进口压力和出口压力的压差不小于0.2MPa | |||||||||||
|
公称通径 |
进口法兰连接尺寸 |
出口法兰连接尺寸 |
高度 |
结构长度 | |||||||
|
DN1 |
DN2 |
D1 |
C1 |
n1 |
d1 |
D2 |
C2 |
n2 |
d2 |
H |
L |
|
20 |
25 |
95 |
68 |
4 |
13 |
105 |
73 |
4 |
13 |
250 |
170 |
|
25 |
32 |
105 |
73 |
4 |
13 |
115 |
83 |
6 |
15 |
250 |
170 |
|
32 |
40 |
115 |
83 |
6 |
15 |
125 |
93 |
6 |
15 |
260 |
200 |
|
40 |
50 |
125 |
93 |
6 |
15 |
135 |
103 |
6 |
15 |
270 |
210 |
|
50 |
65 |
135 |
103 |
6 |
15 |
170 |
132 |
8 |
17 |
290 |
240 |
|
65 |
80 |
170 |
132 |
8 |
17 |
185 |
147 |
8 |
17 |
300 |
240 |
|
80 |
100 |
185 |
147 |
8 |
17 |
205 |
167 |
10 |
17 |
320 |
280 |
|
100 |
125 |
205 |
167 |
10 |
17 |
225 |
187 |
10 |
17 |
350 |
330 |
|
125 |
150 |
240 |
196 |
10 |
21 |
255 |
217 |
12 |
17 |
360 |
380 |
|
150 |
200 |
270 |
226 |
12 |
21 |
325 |
281 |
12 |
21 |
425 |
470 |