Part name
零件材料
The valve body valve cover Gaidi
WCB
valve seat
304
Valve
2Cr13
The stem
Shim
Flexible graphite/1Cr18Ni9
Guide sleeve
filler
Flexible graphite
Bolt
35CrMoA
Nut
45
Nominal pressure(Mpa)
1.6
2.5
4.0
6.4
10.0
16.0
Shell test pressure(Mpa)
2.4
3.75
6.0
9.6
15.0
24
Seal test pressure(Mpa)
1.76
2.75
4.4
7.04
11.0
17.6
pressure(Mpa)
Outlet pressure range(Mpa)
Optimal pressure relief ratio0.6
Seepage quantity
0.5%QMax
Temperature pressure rating
ANSI B16.34
DN
50
65
80
100
125
150
200
250
300
350
400
500
Cv
20
25
60
70
110
230
420
540
710
1020
Nominal diameter DN
Outline dimension
L
L1
H
Hl
l
520
190
565
340
170
205
650
380
550
215
580
240
800
430
225
620
275
450
320
260
790
285
850
370
750
395
940
460
900
445
990
530
950
1120
660
1000
1130
680
1660
Be sure to write clearly consulted or purchase products detailed parameters and quantity.
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