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GQ47 type PN1.6MPa～2.5MPa main connection size and weight
|
Nominal pass DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
730
|
850
|
980
|
1100
|
1200
|
1250
|
1450
|
|
H1
|
220
|
230
|
240
|
260
|
307
|
360
|
410
|
483
|
512
|
543
|
581
|
617
|
672
|
723
|
758
|
791
|
828
|
870
|
940
|
|
H2
|
450
|
486
|
525
|
550
|
610
|
640
|
640
|
675
|
710
|
740
|
820
|
905
|
955
|
990
|
1050
|
1100
|
1270
|
1450
|
|
|
H3
|
415
|
455
|
500
|
535
|
580
|
605
|
640
|
675
|
710
|
740
|
820
|
905
|
955
|
990
|
1050
|
1100
|
1270
|
1450
|
|
|
H4
|
370
|
400
|
440
|
460
|
480
|
500
|
550
|
600
|
650
|
713
|
760
|
820
|
875
|
930
|
962
|
1020
|
1285
|
16
|
Main part material
|
Part Name
|
Material
|
|||
|
valve body
|
WCB
|
ZG1Cr5Mo
|
18-8CrNi
|
18-12CrNiMo
|
|
cap
|
WCB
|
ZG1Cr5Mo
|
18-8CrNi
|
18-12CrNiMo
|
|
stem
|
2Cr13
|
38CrMoA1
|
1Cr18Ni9Ti
|
1Cr18NiMo2aTi
|
|
sphere
|
WCB+HCr
|
1Cr5Mo
|
18-8CrNi
|
18-12CrNiMo
|
|
valve seat
|
PTFE/13Cr/CrNi SS+STELLITE
|
|||
|
stud
|
B7/35CrMoA
|
1Cr17Ni2
|
||
|
nut
|
2H/45
|
2Cr13
|
||
|
filler
|
PTFE/reinforced flexible graphite
|
|||
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