Ball valves

Cast Steel 2 piece Trunnion Mounted Ball Valves - Model No.SE-16

Features

  • STARTEK Cast Steel Ball Valves have been designed to meet the requirements BS 5351/ASME B 16.34/API 6D-ISO 14313/API 608/MSS SP 72
  • Face to Face and End to End dimensions conform to ASME B 16.101 ISO 57521 BS 2080 /API 6D-ISO 14313 / DIN
  • End flange dimensions conform to ASME B 16.51 ISO 7005-1 / API 6051 BS 32931 DIN
  • Butt weld end dimensions conform to ASME B 16.25
  • Fire tested design to API 607/API 6FAJBS 6755-11
  • Pressure energized seat rings with spring assistance for preloading ensure leak tightness even at low pressure
  • Blow out proof stem construction
  • Double block and bleed
  • Antistatic devices ensure electrical continuity between ball, stem and body
  • Bearing pads fix the ball and absorb total thrust of the medium relieving the downstream sealing of the load
  • ISO 5211 top pad for simplified gear/actuator mounting
  • Valves meet the requirements of fugitive emission levels Shell category B as Per MESC SPE 77/312

Option

  • Two or three piece construction
  • For low temperature and cryogenic services (cold box and non-cold box applications) extended bonnet as per BS 6364 available
  • Locking arrangement
  • Gear, Electrical, Hydraulic or Pneumatic actuator available
  • Soft seats are recommended for service temperature up to 260°C and for higher temperatures metal to metal seating offered
  • Emergency sealant injection system
  • Large valves are provided with lifting lugs and installation supports.

Materials

Part Name   Material Option
Body   ASTMA216WCB/A217WC6/A217WC9/A217C5/A217C12/A351CF8/A351CF8M/A351CF3/A351 CF3M/A352 LCB
Side Piece   ASTMA216 WCB/A217WC6 /A217WC9 /A217 C5 /A217C12 /A351CF8 /A351 CF8M/A351 CF3/A351 CF3M/A352 LCB
Ball   ASTM A351 CF8 /A351 CF8M /A182 F304/A182 F316/A182 F6a
Body Seal   PTFE/Graphoil/Spiral Wound SS 316 with Graphoil
Seats   PTFE/GET/Graphite filled PTFE
Seat Retainer   ASTMA216WCB/A217WC6/A217WC9/A217C5/A217C12/A351CF8/A351CF8M/A351CF3/A351CF3M /A352 LCB
Stem   ASTM A182 F304/A182 F316/A182 F6a
Trunnion   ASTM A 216 WCB/ A 217 WC6 / A217 WC9/A217C5/A217C12/A351CF8/A351CF8M/A351CF3/A351CF3M/A352LCB
Gland Housing   ASTM A 216 WCB/A217WC6/A217WC9/A217C5/A217C12/A351CF8/A351CF8M/A351CF3/A 351 CF3M/A 352 LCB
Top Plate   ASTM A 216 WCB/A217 WC6/A 217 WC9/A 217 C5/A 217 C12/A 351 CF8/A351 CF8M/A351 CF3/A351 CF3M/A352 LCB
Spring   Spring Steel /SS304 /SS 316 / Inconel X750
'0' Ring   VITON/Silicon Rubber/Graphite
Gland   ASTM A182 F304/0182 F3161A182 F6a
Stem Packing   Graphite filled PTFE/Graphoil
Gland Nut   Stainless Steel
Stem Nut   Stainless Steel
Lever   Carbon Steel with PVC
GearBox/Actuator   Manufacturers Standard
Studs/Bolts   ASTM A193 87/0193 B7M/A193 B8/A193 B8M/A 320 L7
Nut   ASTM 0194 2610194 B7M/A194 B/A194 8M/A194 4/7

Dimensions

ISO PN 20 / ASME 150 Class

Size DN 150 200 250 300 350 400 450 500 600
L-RF 394 457 533 610 686 762 864 914 1067
B 148 198 248 298 335 380 438 489 591
H (approx) 270 315 360 410 425 475 525 590 695
∅W 300 300 400 400 600 600 600 600 750
Wt.(approx)kg 110 160 320 448 567 850 1050 1350 1750

ISO PN 50 / ASME 300 Class

Size DN 150 200 250 300 350 400 450 500 600
L-RF 403 501 568 635 762 838 914 991 1143
B 148 198 248 298 335 380 438 489 591
H (approx) 285 345 380 435 450 495 570 615 710
∅W 300 300 400 400 600 600 600 750 750
Wt.(approx)kg 128 210 345 560 780 1020 1200 1625 2285

ISO PN 110 / ASME 600 Class

Size DN 50 65 80 100 150 200 250 300 350 400 450 500 600
L-RF 292 330 356 432 559 660 787 838 889 991 1092 1194 1397
B 51 64 76 102 148 198 245 295 325 375 438 489 591
H (approx) 190 230 265 295 300 355 415 455 505 515 600 640 735
∅W 250 250 300 300 400 400 400 600 600 600 750 750 750
Wt.(approx)kg 34 40 45 98 200 395 555 840 1015 1220 1350 2080 2745

ISO PN 150 / ASME 900 Class

Size DN 50 65 80 100 150 200 250 300 350 400 450 500 600
L-RF 368 419 381 457 610 737 838 965 1029 1130 1219 1321 1549
B 51 64 76 98 148 198 245 295 325 375 438 489 570
H (approx) 210 250 285 280 360 455 510 525 595 650 685 695 735
∅W 250 300 300 400 400 600 600 600 750 750 750 750 750
Wt.(approx)kg 45 50 72 130 235 495 690 1050 1350 1750 2300 2850 4800

ISO PN 260 / ASME 1500 Class

Size DN 50 65 80 100 150 200 250 300
L-RF 368 419 470 546 705 832 990 1130
B 51 64 76 102 146 194 241 290
H (approx) 230 260 290 305 370 470 520 575
∅W 300 300 400 400 600 600 750 750
Wt.(approx)kg 52 74 98 144 320 695 960 1550

ISO PN 420 / ASME 2500 Class Dimensions and Weights On Request

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