gate valves

Cast Steel Bolted Bonnet - Model No.SE-05

Features

  • STARTEK Cast Steel Gate Valves have been designed to meet the requirements of API 600 - ISO 10434 / BS 414/API 603/API 6D-IS014313/ASMEB 16.34
  • Face to Face and End to End dimensions conform toASME B16.10/ ISO 5752/ BS 20801 DIN
  • End flange dimensions conform toASME B16.5/ ISO 7005-1/API 605/ BS 3293/ DIN
  • Butt weld end dimensions conform to ASME 816.25
  • The stem nut design allows for the removal of the hand-wheel while keeping the Stem and Gate in a fixed position.
  • Anti-frictional Ball bearings are provided in higher sizes and classes.
  • The strength of Stem to Gate connection is stronger than the strength of the Stem at the root of the operating thread
  • Outside screw and yoke construction
  • All the valves provided with backseat arrangement
  • The gland is of self aligning two piece type
  • Bi-directional shut-off
  • Deep stuffing box
  • Body ports are streamlined, permitting unobstructed flow, reduces turbulence, results in lower pressure drop and lower erosion
  • 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 fiat in ISO PN 20 /ASME 150# valves, a male and female joint is used in PN 50 300# & PN 1101 600# and ring joint is used in higher classes
  • Valves meet the requirements of fugitive emission levels Shell category B as per MESC SPE 771312

Option

  • 4 Solid, flexible, split wedge, double disc and parallel Slide Gate configurations available
  • For low temperature and cryogenic services (cold box and non-cold box applications) extended bonnet as per BS 6364 available
  • 4 Locking arrangement
  • Gear,Electrical, Hydraulic or Pneumatic actuator available

Materials

Part Name   Material Option
Body   ASTMA216 WCB/A217 WC 6 /A217 WC9IA 217 C5 /A217 C12 /A351 CF8 /A351 CF8M/A 351 CF3 / A351 CF3M / A 352 LCB
Bonnet   ASTMA216 WCB/A217 WC6 /A217 WC9 /A217 C5IA 217 C12 /A351 CF8 /A351 CF8M /A351 CF3I A351 CF3M IA 352 LCB
Wedge   ASTMA216 WCB/A217 WC6 /A217 WC9 /A217 C5IA 217 C12 /A351 CF8 /A351 CF8M /A351 CF3/ A351 CF3M IA 352 LCB
Stem   ASTM A276410 1A276304 /A 276304L /A276316
Seat Rings   ASTMA216 WCB/A217 WC6 /A217 WC9 /A217 C5IA 217 C12 /A351 CF8 /A351 CF8M /A351 CF3I A351 CF3M /A 352 LCB
Back Seat Bushing   ASTM A276410 /A276 304L / A276 316L
Gland   ASTM A276410 1A276304L1A276316L
Gland Flange   Carbon Steel / Stainless Steel
Stem Nut   ASM A439 Gr. D2 /Al. Bronz
Lock Nut   Carbon Steel / SS 304
Gland Packing   Graphite Asbestos / Graphoil / PTFE
Bonnet Gasket   Corrugated Soft Iron / Corrugated SS /Spiral Would SS 304 with Asbestos or Graphoil / Octagonal Ring
Gland Eye - Bolt & Nut   Carbon Steel / Stainless Steel
Cross Bolts & Nuts   Carbon Steel / Stainless Steel
Hand Wheel   Carbon Steel
Hand Wheel Nut   Carbon Steel
Grease Nipple   Carbon Steel
Grub Screw   Carbon Steel
Studs / Bolts   ASTM A193 B7 / A 193 B7M IA 193 BBM /A320 L7
Nut   ASTMA1942H/A1948/A1948M/A1944 /7

Dimensions

ISO PN 20 / ASME 150 Class

Size DN 50 65 80 100 125 150 200 250 300 350 400 450 500 600 650 700 750 800 900 1000 1050
L-RF 178 191 203 228 254 267 292 330 355 381 406 432 457 508 559 609 609 660 711 812 860
**L1-BW 216 241 282 304 381 403 419 457 501 571 609 660 711 812 863 914 914 965 1016* 1066* 1143
H (approx) 425 435 535 600 705 800 1010 1250 1385 1575 1825 1950 2080 2425 2750 2825 3175 3473 3600 4100 4500
∅W 200 200 250 250 280 300 350 450 500 350* 350* 350* 400* 400* 450* 450* 500* 500* 500* 500* 550*
Wt.(approx)kg 22 29 37 56 78 84 138 210 310 450 565 740 927 1125 1425 1550 1950 2200 3050 3265 4250

ISO PN 50 / ASME 300 Class

Size DN 50 65 80 100 125 150 200 250 300 350 400 450 500 600 650 700 750
**L-RF,LI-BW 216 241 282 305 381 403 419 457 502 762 838 914 990 1143 1244 1346 1397
H (approx) 430 475 535 605 715 845 1075 1260 1425 1585 1845 1995 2175 2650 2850 3050 3270
∅W 200 200 250 300 300 350 450 500 500 350* 400* 450* 450* 500* 500* 500* 550*
Wt.(approx)kg 28 40 53 80 125 152 245 360 532 725 950 1350 1648 2350 2900 3400 4100

ISO PN 110 / ASME 600 Class

Size DN 50 65 80 100 125 150 200 250 300 350 400 450 500 600
**L-RF,LI-BW 292 330 356 432 508 559 660 787 838 889 991 1092 1194 1397
H (approx) 440 500 545 720 730 850 1200 1390 1580 655 1905 2010 2275 2810
∅W 250 250 300 350 400 500 600 600 400* 450* 450* 500* 500* 550*
Wt.(approx)kg 38 61 68 123 178 225 430 730 850 1300 1750 2250 2450 4100

ISO PN 150 / ASME 900 Class

Size DN 50 65 80 100 125 150 200 250 300 350 400 450 500
**L-RF,LI-BW 368 419 381 457 559 610 737 838 965 1029 1130 1219 1321
H (approx) 445 510 595 750 765 865 1225 1450 1625 1680 1925 2025 2310
∅W 300 300 300 400 450 300* 350* 400* 400 450 500* 500* 550*
Wt.(approx)kg 85 105 125 180 260 310 525 975 1450 1900 2555 3275 3900

ISO PN 260 / ASME 1500 Class

Size DN 50 65 80 100 125 150 200 250 300 350 400 450
**L-RF,LI-BW 368 419 470 546 673 705 832 991 1130 1257 1384 1537
H (approx) 475 525 600 775 785 925 1250 1525 1725 1750 1950 2125
∅W 300 300 300* 300* 300* 350* 350* 400* 400* 450* 550* 550*
Wt.(approx)kg 110 130 145 220 320 403 710 1350 2300 3100 3575 4585

ISO PN 420 / ASME 2500 Class

Size DN 50 65 80 100 125 150 200 250 300
**L-RF,LI-BW 451 508 598 673 794 914 1022 1270 1422
H (approx) 600 695 740 890 970 1135 1350 1680 1750
∅W 400 460 300* 350* 350* 350* 400* 450* 450*
Wt.(approx)kg 110 130 140 225 295 495 825 1480 2400

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