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Product Name:Through-Conduit Gate Valve
 
CLASS 150~900 THROUGH CONDUIT GATE VALVE
 
Rising stem rotating and unrisen handwheel outside screw and yokemate-dusty design with position indicator parallel and solid wedge two structures with or without conduit. Welco also can product metallic sealing flat gate valve for critically pipeline application.
 
Standards compliance 
Design and manufacture: API 6D
Inspection and test: API 6D or API 598
Face to face dimension: ANSI B 16.10
Connection dimensions: ANSI B16.5 for flanged ends, ANSI B16.25 for butt welded ends.
Pressure and temperature rating: ANSI B16.34
Material specifications
NO.
Part Name
Material
WCB
LCB
WC6
WC9
C5
CF8
CF8M
CF3
CF3M
1
Body
A216 WCB
A352 LCB
A217 WC6
A217 WC9
A217 C5
A351 CF8
A351 CF8M
A351 CF3
A351 CF3M
2
Seat
A105
A350 LF2
A182 F304
A182 F304
A182 F304
A182 F304
A182 F316
A182 F304L
A182 F316L
3
Sluice Plate
A216 WCB
A325 LCB
A217 WC6
A217 WC9
A217 C5
A351 CF8
A351 CF8M
A351 CF3
A351 CF3M
4
O-Ring
NBR/FEP
5
Gage Block
A193 B7
A320 L7
A193 B16
A320 B8
6
Stem
A182 F6a
A182 F304
A182 F304
A182 F304
A182 F304
A182 F304
A182 F316
A182 F304L
A182 F316L
7
Gasket
Flexible Graphite
8
Bolt
A193 B7
A320 L7
A193 B16
A193 B8
A194 B8M
9
Nut
A194 2H
A194 L7
A194 4
A194 8
A194 8M
10
Bonnet
A216 WCB
A325 LCB
A217 WC6
A217 WC9
A217 C5
A351 CF8
A351 CF8M
A351 CF3
A351 CF3M
11
Backseat Bushing
A182 F6a
A182 F6
A182 F304
A182 F304
A182 F304
A182 F304
A182 F316
A182 F304L
A182 F316L
12
Clib Talker
Copper or Carbon steel or Stainless Steel
13
Separate Link
ASTM A182 F410
14
Packing
Graphite+ASBESTOS
15
Yoke
A216 WCB
A325 LCB
A217 WC6
A217 WC9
A217 C5
A351 CF8
A351 CF8M
A351 CF3
A351 CF3M
16
Stem nut
A439 D2~~Cu-Alloy
17
Oil Cup
Copper or Carbon steel or Stainless Steel
18
Retaining Nut
Carbon Steel or Alloy Steel
19
Handwheel
A216 WCB
20
Protector
A105N
21
Indicator
ASTM A182 F410
The sealing face can be overlay welded 410SS, 316SS or stellited material.
The major parts of the valvescan be designed and selected according to actual work condition or as per customer specific requirements.
The materials are according to ASTM standard
 
Dimensions & weights for ANSI Class 150
Size
inch
2
2-1/2
3
4
6
8
10
12
14
16
18
20
24
30
36
L
RF
mm
178
190
203
229
267
292
330
356
381
406
432
457
508
610
711
BW
mm
216
241
283
305
403
419
457
502
572
610
660
711
813
914
1016
RTJ
mm
191
203
216
241
279
305
343
368
394
419
445
470
521
-
-
H1
mm
122
154
169
193
283
352
440
514
602
678
785
855
1045
1350
1510
H
mm
450
550
610
700
895
1130
1290
1480
1660
1850
2080
2300
2680
3491
3897
H2
mm
315
420
428
494
625
784
937
1080
1283
1417
1489
1672
2012
2550
2850
W
mm
250
300
300
300
350
350
400
450
500
500
600
700
800
1000
1000
G2
mm
-
-
-
770
965
1200
1360
1560
1740
1930
2160
2420
2800
3640
4050
G1
mm
-
-
-
650
800
960
1080
1200
1350
1500
1680
1850
2120
2800
3080
Gw
mm
-
-
-
310
310
310
310
310
460
460
460
460
460
460
600
Weight
KG
34
41
56
84
142
236
352
450
600
736
890
1120
2010
2920
5370
 
Dimensions & weights for ANSI Class 300
Size
inch
2
2-1/2
3
4
6
8
10
12
14
16
18
20
24
30
36
L
RF
mm
216
241
283
305
403
419
457
502
762
838
914
991
1143
1397
1727
BW
mm
216
241
283
305
403
419
457
502
762
838
914
991
1143
1397
1727
RTJ
mm
232
257
298
321
419
435
473
518
778
854
930
1010
1165
1422
1756
H1
mm
137
169
184
218
311
382
476
545
645
728
800
930
1100
1420
1510
H
mm
458
555
615
710
900
1135
1401
1580
-
-
-
-
-
-
-
H2
mm
325
420
430
500
625
790
1040
1150
-
-
-
-
-
-
-
W
mm
250
300
300
300
350
350
400
400
-
-
-
-
-
-
-
G2
mm
-
-
-
770
965
1200
1360
1560
1740
1930
2160
2420
2800
3640
4050
G1
mm
-
-
-
650
800
960
1090
1200
1350
1540
1700
1850
2120
2800
3080
Gw
mm
-
-
-
310
310
310
310
310
460
460
460
460
460
460
600
Weight
KG
54
68
85
112
240
365
500
757
1050
1480
2040
2650
4260
6300
8900
 
Dimensions & weights for ANSI Class 600
Size
inch
2
2-1/2
3
4
6
8
10
12
14
16
18
20
24
30
36
L
RF
mm
292
330
356
432
559
660
787
838
889
991
1092
1194
1397
1651
2083
BW
mm
292
330
356
432
559
660
787
838
889
991
1092
1194
1397
1651
2083
RTJ
mm
295
333
359
435
562
664
791
841
892
994
1095
1200
1407
1664
2175
H1
mm
158
190
225
255
330
410
490
570
650
735
810
905
1160
1290
1530
H
mm
468
565
625
720
910
1145
1411
1590
-
-
-
-
-
-
-
H2
mm
335
430
440
510
630
800
1050
1160
-
-
-
-
-
-
-
W
mm
300
300
350
350
400
500
500
600
-
-
-
-
-
-
-
G2
mm
505
560
610
770
965
1200
1370
1560
1740
1970
2260
2420
2590
3821
4400
G1
mm
430
470
510
650
800
960
1090
1200
1350
1540
1700
1850
2020
2654
3070
Gw
mm
310
310
310
310
310
310
460
460
460
460
460
460
460
600
600
Weight
KG
66
93
110
156
296
640
900
1135
1700
2350
2776
4210
6010
7910
15200
 
Dimensions & weights for ANSI Class 900
Size
inch
2
2-1/2
3
4
6
8
10
12
14
16
18
20
24
L
RF
mm
368
419
381
457
610
737
838
965
1029
1130
1219
1321
1549
BW
mm
368
419
381
457
610
737
838
965
1029
1130
1219
1321
1549
RTJ
mm
371
422
384
460
613
740
841
968
1038
1140
1232
1334
1568
H1
mm
158
190
225
255
290
460
560
660
770
840
920
1000
1200
H
mm
473
570
630
725
915
1150
1416
1595
-
-
-
-
-
H2
mm
335
435
445
515
640
800
1055
1165
-
-
-
-
-
W
mm
300
300
350
350
400
500
500
600
-
-
-
-
-
G2
mm
525
585
635
800
995
1250
1420
1600
1800
2000
2260
2520
2650
G1
mm
450
490
530
680
830
1000
1140
1230
1400
1620
1785
1950
2100
Gw
mm
310
310
310
310
310
460
460
460
460
460
460
460
460
Weight
KG
103
135
162
286
532
970
1305
2000
2600
3210
4000
5120
9400
 
Dimensions & weights for ANSI Class 1500
Size
inch
2
2-1/2
3
4
6
8
10
12
L
RF
mm
368
419
470
546
705
832
991
1130
BW
mm
368
419
470
546
705
832
991
1130
RTJ
mm
371
422
473
549
711
842
1000
1146
H1
mm
165
203
230
269
340
420
510
590
H
mm
480
595
650
740
980
-
-
-
H2
mm
345
450
470
525
650
-
-
-
W
mm
350
350
400
450
500
-
-
-
G2
mm
540
598
650
810
1070
1350
1480
1680
G1
mm
360
500
545
710
840
1050
1180
1300
Gw
mm
310
310
460
460
460
460
460
460
Weight
KG
120
169
260
380
910
1520
2280
3300
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