Ductile Iron Swing Check Valve

Swing flange type check valve is designed to provide maximum service life and dependability. All check valves are meet the design requirements of API 600, API 6D, BS1868 and BS EN13709. Its purpose is stop flow returning and called non return valve.

Features:

Bolted bonnet with eyebolt on cover

Trim and gasket replaceable

Swing disc and metal sealing

Design according to API 6D, BS 1868, ISO 14343

Material : cast steel, stainless steel, ally steel

Size range : 2″ to 36″

Pressure range : 150lb, 300lb, 600lb, 900lb

Material List:

No. Part Name ASTM Material
WCB WC6 LCB
1 Body WCB WC6 LCB
2 Bonnet WCB WC6 LCB
3 Disc A105+Cr13 F11+HF LF2+Cr13
4 Hinge WCB WC6 LCB
5 Support WCB WC6 LCB
6 Seat Ring A105+Cr13 F11+HF LF2+Cr13
7 Hinge Pin SS420 SS304 SS420
8 Disc Washer C.S. SS304 C.S.
9 Disc Nut A194 2H A194 7 A194 4
10 Disc Nut Pin C.S. SS420 C.S.
11 Gasket 304+Graphite
12 Stud B7 B16 L7
13 Nut A194 2H A194 7 A194 4
14 Eyebolt C.S.


Dimension List:

Dimensions ANSI Class 150LB
NPS(inch) 2 2-1/2 3 4 6 8 10 12 14 16 18 20 24 26 28 30 36
DN(mm) 50 65 80 100 150 200 250 300 350 400 450 500 600 650 700 750 900
L/L1       (RF/BW) 203 216 241 292 356 495 622 699 787 864 978 978 1295 1295 1448 1524 1956
L2(RTJ) 216 229 254 305 368 508 635 711 800 876 991 991 1308
Dimensions ANSI Class 300LB
NPS(inch) 2 2-1/2 3 4 6 8 10 12 14 16 18 20 24 26 28 30 36
DN(mm) 50 65 80 100 150 200 250 300 350 400 450 500 600 650 700 750 900
L/L1 (RF/BW) 267 292 318 356 445 533 622 711 838 864 978 1016 1346 1346 1499 1594 2083
L2(RTJ) 283 308 333 371 460 549 638 727 854 879 994 1035 1368 1372 1524 1619
Dimensions ANSI Class 600LB
NPS(inch) 2 2-1/2 3 4 6 8 10 12 14 16 18 20 24 26 28 30
DN(mm) 50 65 80 100 150 200 250 300 350 400 450 500 600 650 700 750
L/L1 (RF/BW) 292 330 356 432 559 660 787 838 889 991 1092 1194 1397 1448 1600 1651
L2(RTJ) 295 333 359 435 562 664 791 841 892 994 1095 1200 1407 1461 1613 1664
Dimensions ANSI Class 900LB
NPS(inch) 2 2-1/2 3 4 6 8 10 12 14 16 18 20
DN(mm) 50 65 80 100 150 200 250 300 350 400 450 500
L/L1 (RF/BW) 368 419 381 457 610 737 838 965 1029 1130 1219 1321
L2(RTJ) 371 422 384 460 613 740 841 968 1038 1140 1232 1334

Applications:

Oil and gas industry, water and waste water pipeline.