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GLOBE VALVE

Nisha Gate ValvesSalient Feature Option Nisha Valves (India) Ltd.
Material of Construction
No. Part Name Material
18 Grub Screw Carbon Steel
17 Hand Wheel Nut Carbon Steel
    Malleable Iron / Cast Steel
16 Hand Wheel / Ductile Iron / Fabricated Steel
  Eye Bolt and Nut Forged Carbon Steel / S.S.
15 Cross Bolt and Nut Forged Carbon Steel / S.S.
14 Yoke Sleeve A 439-D2 / AI. Bronze / EN-1
13 Gland Flange Carbon Steel / S.S.
12 Gland Bush AISI 410 / 304 / 316
11 Back Seat AISI 410 / 304 / 316
10 Stem Nut AISI 410 / 304 / 316
09 Spindle AISI 410 / 304 / 316
08 AISI 410 / 304 / 316 / WCB
07 Seat Ring WITH 13% Cr. OR Stellite
    A 217 Gr. CA15 / WCB WITH 13% Cr.
06 Plug OR Stellite / A351 Gr. CF8 / CF8M.
  Gate Valve Drawing

 

No. Part Name WCB LCB WC6 WC9
05 Stud and Nut A 193 Gr B7 / A194 Gr 2H A 320 Gr L7 / A194 Gr 4 A 193 Gr B16 / A 194 Gr 4/7 A 193 Gr B16 / A 194 Gr 4/7
04 Gland Packing Graphited Asbestos Graphited Asbestos Graphited Asbestos Graphited Asbestos
03 Gasket Spiral Wound Spiral Wound Spiral Wound Spiral Wound
02 Bonnet A 216 Gr WCB A 352 Gr LCB A 217 Gr WC6 A 217 Gr WC9
01 Body A 216 Gr WCB A 352 Gr LCB A 217 Gr WC6 A 217 Gr WC9
No. Part Name C5 C12 CF8 CF8MA
05 Stud and Nut A 193 Gr B16 / A194 Gr 4/7 A 193 Gr B16 / A194 Gr 47 A 193 Gr B7/ B8 / A 194 Gr 2H/8 A 193 Gr B7/ B8M /A 194 Gr 2H/8M
04 Gland Packing Graphited Asbestos Graphited Asbestos Graphited Asbestos /PTFE Graphited Asbestos / PTFE
03 Gasket Spiral Wound Spiral Wound Spiral Wound Spiral Wound
02 Bonnet A 217 Gr C5 A 217 Gr C12 A 351 Gr CF8 A351 Gr CF8M
01 Body A 217 Gr C5 A 217 Gr C12 A 351 Gr CF8 A351 Gr CF8M

Class 150

Size Inch 2 2.5 3 4 5 6 8 10 12 14 16 18 20 24
L,#L1 mm 203 216 241 292 356 406 495 622 699 787 914 977 977 1205
H mm 330 390 410 475 540 585 725 825 940 1200 1270 1300 1350 1450
K mm 200 250 250 300 350 350 450 500 600 600 650 650* 700* 750*
Wt.(approx) Kg 23 29 40 59 95 115 178 268 385 540 760 1050 1225 1650
Class 300
Size Inch 2 2.5 3 4 5 6 8 10 12 14 16 18 20 24
L,#L1 mm 267 292 318 356 400 444 533 622 711 838 864 977 1016 1346
H mm 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

Class 600
Size Inch 2 2.5 3 4 5 6 8 10 12 14 16 18 20
L,#L1 mm 292 330 355 431 508 558 660 787 838 889 991 1092 1194
H mm 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
Class 900
Size Inch 2 2.5 3 4 5 6 8 10 12 14
L,#L1 mm 368 419 381 457 559 610 737 838 965 1029
H mm 195 235 260 275 320 370 435 520 530 580
Wt.(approx) Kg 55 70 90 135 165 295 525 900 1075 1225

Class 1500
Size Inch 2 2.5 3 4 5 6 8
L,#L1 mm 368 419 470 546 673 705 832
H mm 220 270 290 310 350 410 485
Wt.(approx) Kg 70 85 115 175 180 370 680

 

Globe Valve Product Range
SIZE CLASS
1/2"NB to 16" NB 150#
1/2"NB to 14" NB 300#
1" NB to 12" NB 600#
2" NB to 10" NB 900#
2" NB to 8" NB 1500#
2" NB to 8" NB 2500#
  Application
  • Petrochemical Industries
  • Pharmaceutical Plants
  • Oil Industries
  • Petroleum Refinery
  • Power Plants
  • Thermal & Gas
  • Fertilizers & Agro Chemicals
  • Steel Plant
  • Paper Industries
  • Cement Industries
  • Cryogenic Services
  Temperature Limits
Shell Matt. Lower limit Upper limit
  oF oC oF oC
Cast Iron (Graded) -20 -5 410 210
A216 GR WCB -20 -10 650 343
A352 GR LCB -50 -46 800 470
A351 GR CF8 -425 -254 850 454
A351 GR CF8M -425 -254 1500 816
Selection Gland Packing Material
Packing Material Service Condition Fo/Co
SS-304 Wire
GraphiteAsbestos
850 / 454 High Pressure
Inconel Wire
GraphiteAsbestos
1200 / 649 High Pressure
Grafoil 1500 / 816 Corrosion Resistant
Graphite Asbestos 650 / 343 Medium Pressure
PTFE 450 / 232 Corrosion Resistant
  Testing Duration

Value Size DN
Test Duration(sec)
  SHELL SEAT
DN < 50 15 15
50 <DN < 150 60 60
150 <DN < 300 120 120
350 <DN 300 120