Class 600~2500 Pressure Sealing Swing Check valves
Position: Valves Series > Cast Steel Valves
CLASS 600~2500 PRESSURE SEALING SWING CHEEK valves
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: ANSIB16.34,API 6D,BS1868
Face to face(end to end): ANSIB16.10,API 6D
Flanged connection: 2~~24~to ANSIB16.5
Butt welded end: ANSIB16.25
Test and inspection: API 598,API 6D
A.Back up ring: Absorbs thrust applied by internal pressure.
B.Thrust ring: Pretects the soft metallic gasket from detemation.
C.Gasket Unique angutar 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
A193GrB7/A194Gr2H
A320GrL7/A194Gr4
A193 Gr B16/A194Gr4/7
A193 Gr B16/A194Gr4/7
09
Cover
stud&nut
A193GrB7/A194Gr2H
A320GrL7/A194Gr4
A193 Gr B16/A194Gr4/7
A193 Gr B16/A194Gr4/7
08
Gasket
Soft
iron
Soft
iron
SS304
SS304
07
Thurst
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
004
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
A193GrB16/A194Gr4/7
A193GrB16/A194Gr4/7
A193GrB7/A194Gr2H
A193GrB7/A194Gr2H
09
Cover
stud&nut
A193GrB16/A194Gr4/7
A193GrB16/A194Gr4/7
A193GrB7/A194Gr2H
A193 Gr B7/A194Gr2H
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
004
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
Higher sizes are with dashpot arrangement to control
the movement of the disc order to avoid slammingandwater
hammer.
CLASS 600~2500 PRESSURE SEALING SWING CHECK valves
Dimensions
Class
600
Size
inch
2
2-1/2
3
4
5
6
8
10
12
14
16
18
20
L,L1
mm
292
330
355
431
508
558
660
787
838
889
991
1092
1194
L1-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
WT.(approx)
Kg
20
38
45
45
95
125
220
330
505
595
800
1150
1600
Dimensions
Class
900
Size
inch
2
2-1/2
3
4
5
6
8
10
12
14
16
18
L,L1
mm
368
419
381
457
559
609
736
838
965
1029
1130
1219
L1-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
WT.(approx)
Kg
44
57
75
105
140
230
440
590
870
1085
1225
1700
Dimensions
Class
1500
Size
inch
2
2-1/2
3
4
5
6
8
10
12
14
16
L,L1
mm
368
419
470
546
673
705
832
991
1130
1257
1384
L1-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
Class
2500
Size
inch
2
2-1/2
3
4
5
6
8
10
12
L,L1
mm
451
508
578
673
794
914
1022
1270
1422
L1-SP
mm
279
330
368
457
533
610
762
914
1014
H
mm
280
310
325
370
425
500
525
630
695
WT.(approx)
Kg
78
95
110
205
395
495
900
1300
1950
Gear operation suggested.Dimensions on request.Abbreviation: SP-Short pattern.