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Product Name:Pressure Seal Bonnet Swing Check Valve
Class 600~2500 Pressure Sealing Swing Check Valve
Pressure sealing cover, swing type disc
Threaded or welded seat ring
ASTM A216 WCB, A217 WC6, A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, A351 CN7M
 
Standards compliance
Design and Manufacture: ANSI B16.34, API 6D, BS1868
Face to face(end to end): ANSI B16.10, API 6D
Flanged connection: 2"~24" according to ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API 598, API 6D
 
A. Back up ring: Absorbs thrust applied by internal pressure.
B. Thrust ring: Protects the soft metallic gasket from deformation.
C. Gasket Unique angular design provides superior sealing.
Materials List
NO.
Part Name
Material
16
Split Pin
Stainless steel
15
Washer
Stainless steel
14
Disc Pin
CS/SS
13
Hinge Pin
CS/SS
12
Seat Ring
CS+SS/SS/SS+STL(see body materials)
11
Disc
CS+SS/SS/SS+STL(see body materials)
 
NO.
Part Name
WCB
LCB
WC6
WC9
10
Yoke Stud&Nut
A193 Gr B7/A194 Gr 2H
A320 Gr L7/A194 Gr 4
A193 Gr B16/A194 Gr 4/7
A193 Gr B16/A194 Gr 4/7
09
Cover Stud&Nut
A193 Gr B7/A194 Gr 2H
A320 Gr L7/A194 Gr 4
A193 Gr B16/A194 Gr 4/7
A193 Gr B16/A194 Gr 4/7
08
Gasket
Soft iron
Soft iron
SS304
SS304
07
Thrust Ring
A182 F6a
A182 F304
A182 F11
A182 F22
06
Back Up Ring
A182 F6a
A182 F304
A182 F11
A182 F22
05
Yoke
A216 Gr WCB
A352 Gr LCB
A217 Gr WC6
A217 Gr WC9
04
Hinge
A216 Gr WCB
A352 Gr LCB
A217 Gr WC6
A217 Gr WC9
03
Cover
A216 Gr WCB
A352 Gr LCB
A217 Gr WC6
A217 Gr WC9
02
Bonnet
A216 Gr WCB
A352 Gr LCB
A217 Gr WC6
A217 Gr WC9
01
Body
A216 Gr WCB
A352 Gr LCB
A217 Gr WC6
A217 Gr WC9
 
NO.
Part Name
C5
LCB
WC6
WC9
10
Yoke Stud&Nut
A193 Gr B16/A194 Gr 4/7
A193 Gr B16/A194 Gr 4/7
A193 Gr B7/A194 Gr 2H
A193 Gr B7/A194 Gr 2H
09
Cover Stud&Nut
A193 Gr B16/A194 Gr 4/7
A193 Gr B16/A194 Gr 4/7
A193 Gr B7/A194 Gr 2H
A193 Gr B7/A194 Gr 2H
08
Gasket
SS304
SS304
SS304
SS316
07
Thurst Ring
A182 F5
A182 F22
A182 F304
A182 F316
06
Back Up Ring
A182 F5
A182 F22
A182 F304
A182 F316
05
Yoke
A217 Gr C5
A217 Gr C15
A351 Gr CF8
A351 Gr CF8M
04
Hinge
A217 Gr C5
A217 Gr C15
A351 Gr CF8
A351 Gr CF8M
03
Cover
A217 Gr C5
A217 Gr C15
A351 Gr CF8
A351 Gr CF8M
02
Bonnet
A217 Gr C5
A217 Gr C15
A351 Gr CF8
A351 Gr CF8M
01
Body
A216 Gr WCB
A217 Gr C15
A351 Gr CF8
A351 Gr CF8M
 
CLASS 600~2500 PRESSURE SEALING SWING CHECK VALVE
 
Dimensions (mm) and weight for ANSI Class 600
Size
inch
2
2-1/2
3
4
5
6
8
10
12
14
16
18
20
L
mm
292
330
355
431
508
558
660
787
838
889
991
1092
1194
L-SP
mm
178
216
245
304
381
457
584
711
812
889
991
1092
1194
H
mm
240
265
275
325
370
425
500
555
610
725
755
850
925
Weight (approx)
Kg
20
38
45
45
95
125
220
330
505
595
800
1150
1600
 
Dimensions (mm) and weight for ANSI Class 900
Size
inch
2
2-1/2
3
4
5
6
8
10
12
14
16
18
L
mm
368
419
381
457
559
609
736
838
965
1029
1130
1219
L-SP
mm
368
254
305
355
432
508
660
787
914
991
1092
1219
H
mm
250
580
290
335
380
440
510
570
620
730
790
860
Weight (approx)
Kg
44
57
75
105
140
230
440
590
870
1085
1225
1700
 
Dimensions (mm) and weight for ANSI Class 1500
Size
inch
2
2-1/2
3
4
5
6
8
10
12
14
16
L
mm
368
419
470
546
673
705
832
991
1130
1257
1384
L-SP
mm
216
254
305
406
483
559
711
864
991
1067
1194
H
mm
265
295
310
345
385
460
515
590
645
765
800
WT.(approx)
Kg
65
72
80
125
160
300
525
960
1130
1450
2100
 
Dimensions (mm) and weight for ANSI Class 2500
Size
inch
2
2-1/2
3
4
5
6
8
10
12
L
mm
451
508
578
673
794
914
1022
1270
1422
L-SP
mm
279
330
368
457
533
610
762
914
1014
H
mm
280
310
325
370
425
500
525
630
695
Weight (approx)
Kg
78
95
110
205
395
495
900
1300
1950
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