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Industrial Valves

Swing Check Valves

Swing Check Valves
Features
  • Sap Cast Steel Check Valves have been designed to meet the requirements of BS 1868 /ASME B 16.34/API 6D-ISO14313.
  • Face to Face and End to End dimensions conform to ASME B 16.10 / BS 2080 / DIN
  • End flange dimensions conform to ASME B 16.5 / API 605 / BS 3293 / DIN
  • Butt weld end dimensions conform to ASME B 16.25
  • The Seat-rings are cylindrical bottom seated type having ample cross section for strength are provided with welded in and threaded Seat-rings will be supplied on request. In case of SS valves the Seat-rings are integral to Body.
  • The Body to Bonnet joint is a male & female in ASME 150#, 300# & 600# valves and ring joint is used in higher classes.
Drawings
Drawings
Drawings
  • Tilting disc design available
  • Check Valves can be supplied with counter weight or dash pot arrangement
Materials
Part Name Material Option
Body ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB
Cover ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB
Disc@ ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB
Hinge ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB
Hinge Bracket ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB
Hinge Pin ASTM A 276 410 / A 276 304 / A 276 304L / A 276 316L
Seat Rings@ ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB
Disc Nut Carbon Steel / Stainless Steel
Washer Carbon Steel / Stainless Steel
Gasket Soft Iron / SS 304 / Graphoil
Studs / Bolts ASTM A 193 Gr B7 / A 193 Gr B7M / A 193 Gr B8 / A 193 Gr B8M / A 320 Gr L7
Nut ASTM A 194 Gr 2H / A 194 Gr B7M / A 194 Gr B/ A 194 Gr 8M / A 194 Gr 4/7  
Swing Check - 150 Class
Size DN 50 65 80 100 125 150 200 250 300 350 400 450 500 600
L-RF, LI- BW 203 216 241 292 320 356 495 622 699 778 864 977 977 1295
H (approx) 155 190 200 225 245 260 305 390 410 435 530 570 625 675
Wt (approx) kg 16 25 34 46 75 89 120 220 337 471 575 788 916 1275
Swing Check Valve - 300 Class
Size DN 50 65 80 100 125 150 200 250 300 350 400 450 500 600
L-RF, LI- BW 267 292 318 355 400 444 533 622 711 838 863 977 1016 1346
H (approx)i 180 200 225 240 275 310 370 410 440 500 545 605 675 785
Wt (approx) kg 26 32 53 73 110 157 234 348 450 650 800 970 1350 2210
Swing Check Valve - 600 Class
Size DN 50 65 80 100 125 150 200 250 300 350 400 450 500
L-RF, LI- BW 292 330 355 431 508 558 660 787 838 889 991 1092 1194
H (approx)i 190 215 250 260 310 350 420 490 525 580 630 690 810
Wt (approx) kg 33 49 62 95 120 195 360 465 725 875 1075 1475 1900
Swing Check Valve - 900 Class
Size DN 50 65 80 100 125 150 200 250 300 350
L-RF, LI- BW 368 419 381 457 559 610 737 838 965 1029
H (approx)i 195 235 260 275 320 370 435 520 530 580
Wt (approx) kg 55 70 90 135 165 295 525 900 1075 1225
Swing Check Valve - 1500 Class
Size DN 50 65 80 100 125 150 200
L-RF, LI- BW 368 419 470 546 673 705 832
H (approx)i 220 270 290 310 350 410 485
Wt (approx) kg 70 85 115 175 180 370 680
Checl Valve