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Steel Forging Stop Valve



Nominal pressure 150 300 600 900 1500
Shell strength test (Mpa) water 3 7.5 15 22.5 37.5
High pressure seal test (Mpa) water 2.2 5.5 11 16.5 27.5
up seal test (Mpa) water 2.2 5.5 11 16.5 27.5
Low pressure seal test (Mpa) air 0.6
Part Name Material
Body ASTM A216 WCB
Bonnet ASTM A216 WCB
Stem ASTM A182 F6a
Stem Nut ASTM A439 D2 ZCuAL10Fe3
Seat sealing surface 13Cr/Stellite
Valve sealing surface 13Cr/Stellite
stud ASTM A193 B7
Nut ASTM A194 2H
Filler Flexible Graphite
Handwheel ASTM A47
CLASS 150
DN
NPS 		15
1/2 		25
1 		40
11/2 		50
2 		65
21/2 		80
3 		100
4 		125
5 		150
6 		200
8 		250
10 		300
12 		350
14 		400
16
L (RF) 108
4.3 		127
5 		165
6.5 		203
8 		216
8.5 		241
9.5 		292
11.5 		356
14 		406
16 		495
19.5 		622
24.5 		698
27.5 		787
31 		914
36
H 320
12.6 		335
13.2 		345
13.5 		380
15 		435
17.1 		465
18.3 		530
20.9 		580
22.9 		650
25.6 		760
30 		860
33.9 		1000
39.4 		1450
57 		1645
64.8
D0 150
6 		200
8 		200
8 		200
8 		250
10 		250
10 		250
10 		300
12 		350
14 		400
16 		450
18 		500
20 		600
24 		600
24
Wt (kg) 12.5 13.4 16 18 27 31 51 68 82 132 200 410 520 600
CLASS 300
DN
NPS 		15
1/2 		25
1 		40
11/2 		50
2 		65
21/2 		80
3 		100
4 		125
5 		150
6 		200
8 		250
10 		300
12 		350
14 		400
16
L (RF) 152
6 		203
8 		229
9 		267
10.5 		192
11.5 		318
12.5 		356
14 		400
15.8 		444
17.5 		559
22 		622
24.5 		711
28 		762
30 		864
34
H 370
14.6 		385
15.2 		405
16 		425
16.8 		465
18.3 		530
20.6 		610
24 		695
27.7 		790
31.1 		870
34.2 		1040
41 		1231
48.5 		1450
57 		1645
64.8
D0 200
8 		200
8 		200
8 		200
8 		250
10 		250
10 		350
14 		450
18 		450
18 		500
20 		500
20 		500
20 		600
24 		600
24
Wt (kg) 15.5 16.8 23 25 38 48 65 100 125 210 320 510 700 980
CLASS 600
DN
NPS 		15
1/2 		25
1 		40
11/2 		50
2 		65
21/2 		80
3 		100
4 		150
6 		220
8 		250
10 		300
12 		350
14 		400
16 		450
18
L (RF) 165
6.5 		216
8.5 		241
9.5 		292
11.5 		330
13 		356
14 		432
17 		559
22 		660
26 		- - - - -
L(RTJ) 163.4
6.4 		216
8.5 		241
9.5 		295
11.6 		333
13.1 		359
14.1 		435
17.1 		562
22.1 		664
26.1 		- - - - -
H 385
15.2 		398
15.7 		415
16.3 		460
18.1 		490
19.3 		555
21.9 		630
24.8 		955
37.6 		1310
51.6 		- - - - -
D0 200
8 		200
8 		200
8 		250
10 		250
10 		300
12 		350
14 		560
22 		630
24.8 		- - - - -
RF(kg)
BG(kg) 		22
20 		25
22 		28
24 		39
35 		56
44 		68
59 		121
97 		250
240 		400
380 		- - - - -
CLASS 900 CLASS 1500
DN
NPS 		25
1 		40
11/2 		50
2 		65
21/2 		80
3 		100
4 		150
6 		200
8 		50
2 		65
21/2 		80
3 		100
4 		150
6 		200
8
L(RF) 254
10 		305
12 		368
14.5 		419
16.5 		381
15 		457
18 		610
24 		737
29 		368
14.5 		419
16.5 		470
18.5 		546
21.5 		705
27.8 		832
32.8
L(RTJ) 254
10 		305
12 		371
14.6 		422
16.6 		384
15.1 		460
18.1 		613
24.13 		740
29.1 		371
14.6 		422
16.6 		473 549 711 842
H 415
16.3 		430
16.9 		600
23.6 		660
26 		713
28.13 		800
1.5 		1240
48.8 		1520
60 		380
15 		435
17.1 		680
26.8 		780
30.8 		1240
48.8 		1520
60
D0 200
8 		200
8 		300
12 		350
14 		350
14 		500
20 		630
24.9 		710
28 		200
8 		250
10 		400
16 		450
18 		630
24.8 		710
28
RF(kg)
BG(kg) 		28
24 		32
28 		87
80 		130
115 		140
120 		230
190 		500
420 		900
770 		21
19 		30
27 		140
120 		230
190 		500
420 		900
770
Note:
design standard BS1873
length of structure ANSI B16.10
standard of flange ANSI B16.5
Basis of temperature and pressure ANSI B16.34
Test Standard API 598
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