Check Valve

BS EN 15761 & API-602.
Sizes in mm(inch) Pressure Rating
8 to 50 ( 1/4" to 2") Class 800 
15 to 40 (1/2" to 11/2") Class 1500
15 to 40 (1/2" to 11/2") Class 2500
15 to 50 (1/2" to 2") Class 2500 (Y TYPE)
BS: 1868, API 6D , ASME B 16.34
Sizes in mm(inch) Pressure Rating
40 to 750 (11/2" to 30") Class 150 & 300
50 to 350 (2" to 14")   Class 600
ASME B 16.34
Sizes in mm(inch) Pressure Rating
50 to 300 ( 2" to 12") Class 900 , 1500 , 2500
Design Std. BS EN 15761 & API-602. BS: 1868, API 6D , ASME B 16.34 ASME B 16.34
Testing Std. API-598, EN 12266 - 1 BS: EN 558-2 & ASME B 16.10 BS: EN 558-2 & ASME B 16.10
Face to Face As per Manufacturers std. BS: 6755-1, EN 12266-1, ISO 5208 & API 6D  BS: 6755-1, EN 12266-1 & API 598
Body Material A 105,  F11, F22, F304 & F316 etc. WCB, LCB, CF8, CF8M, Hast-B & Hast-C etc. WCB, CF8, CF8M, WC6,WC9
Plug / Seatring CA 15, CF8 & CF8M etc. WCB with 13 % Cr / stellite overlay CF8, CF8M, Hast-B & Hast-C etc. WCB, WC6 , CA6NM , CF8, CF8M all offered with stellite overlay
  1500 & 2500 Class offered with stellited plug and seat ring. Offered with stellited plug and seat ring. Offered with stellited plug and seat ring.
End Connection  Flanged,Screwed, Socket & Butt Weld Flanged & Butt Weld Flanged & Butt Weld
Size Class-150 Class-300 Class-600
mm A B Wt 1) A B Wt 1) A B Wt 1)
40 165 95 6.8 241 96 10.5      
50 203 115 11.5 267 120 18 292 145 25
65 216 120 17 292 132 26 330 145 38
80 241 135 23 318 150 34 356 160 50
100 292 150 38 356 170 54 432 190 78
125 330 205 55 400 210 85 508 230 140
150 356 210 73 444 240 110 559 250 161
200 495 220 103 533 255 160 660 285 280
250 622 260 160 622 305 254 787 340 425
300 698 305 224 711 350 355 838 395 447
350 787 370 485 838 400 785 - - -
400 864 515 620 864 560 981 - - -
450 978 565 765 978 625 1189 - - -
500 978 630 920 1016 670 1411 - - -
600 1295 750 1090 1346 800 1634 - - -
Dimensions are in mm
Size Class - 900 Class - 1500 Class - 2500
mm A B Wt1) A B Wt1) A B Wt1)
50 - - - 368 185 50 279 210 41
65 - - - 419 215 60 - - -
80 381 245 70 470 245 89 368 230 91
100 457 275 110 546 275 130 457 260 125
125 559 315 195 673 315 245 - - -
150 610 350 250 705 350 315 610 330 274
200 737 440 480 832 440 565 762 410 480
250 838 535 750 991 535 1000 - - -
300 965 630 1040 1130 630 1420 - - -
Body, Bonnet ASTM A 216 Gr. WCB, ASTM A 352 Gr. LCB, ASTM A 351 Gr. CF8/ CF8M/ CF3/CF3M.
Wedge & Seat Ring ASTM A 216 Gr. WCB, ASTM A 351 Gr. CF8/CF8M/CF3/CF3M, seal faces are stellited.
Stem, Gland & Bonnet Bush ASTM A 276 TYPE 410/ASTM A 276 TYPE 304/316
Yoke Sleeve Ni - Resist ASTM A 439 Gr D2.
Gland Packing Graphited Asbestos with inconnel wire or Grafoil.
Pressure Seal Ring Expanded Graphite
Stud / Nut  ASTM A 193 Gr. B7 / ASTM A 194 Gr. 2 H.
Yoke & Hand Wheel Carbon Steel
Surface Protection for Carbon Steel Valves Prime Coat : Chlorine free with modified alkyd resin unobjectionable in physiological and toxicological respects. Additional external coating : Silver Streak aluminium paint.

 

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