1077 Cast Steel Gate Valve, Class-150 (Flanged)

1077 Cast Steel Gate Valve, Class-150 (Flanged)

Salient Features
  • Design Standard BS EN ISO 10434 / API 600.
  • Bolted Bonnet, Outside Screw, Yoke Type, Rising Stem.
  • Renewable 13% Cr. Stainless Steel (S.S 410) working parts.
  • Handwheel Operated.
  • Flanged Ends as per ASME B 16.5 Class-150.
Test Pressure (Hydrostatic) :
  • Shell : 31 kg/cm²g (425 psig)
  • Seat : 21 kg/cm²g (313 psig)
  • Seat (Pneumatic) : 10.55 bar (150 psig)
  • Maximum Working Temperature : 425°C

Materials

P.No.Name of PartMaterial of ConstructionSpecificationQty.
1BodyCast SteelASTM A 216 Gr. WCB1
2Body Seat RingStainless SteelASTM A 276 Type 410 / ASTM A 182 Gr. F6a2
3WedgeCast SteelASTM A 216 Gr. WCB1
4Wedge Facing RingStainless SteelASTM A 276 Type 410 / ASTM A 182 Gr. F6a2
5StemStainless SteelASTM A 276 Type 410 / ASTM A 182 Gr. F6a1
6StudsAlloy SteelASTM A 193 Gr. B7 As Reqd.
7NutsH.T. SteelASTM A 194 Gr. 2H As Reqd.
8GasketSteam Jointing SheetIS 2712 Gr. W/31
9Back Seat BushAluminium BronzeBS EN 1982 Gr. AB – 11
10Gland PackingBraided GraphiteIS 4687 –
11Pin For Eye BoltStainless SteelASTM A 276 Type 4102
12GlandStainless SteelASTM A 276 Type 4101
13Gland FlangeCarbon Steel– – –1
14NutsH.T SteelASTM A 194 Gr. 2H2
15Eye BoltsStainless SteelASTM A 276 Type 4102
16BonnetCarbon SteelASTM A 216 Gr. WCB1
17Sleeve NutStainless SteelASTM A 276 Type 4101
18HandwheelNodular IronASTM A 439 D21
19Yoke SleeveAluminium BronzeBS EN 1982 AB – 11
20Handwheel NutCarbon Steel– – –1
21Grease NippleCarbon Steel– – –1

Material Diagram

Sizes / Dimensions

Size (Inches)Size (mm)A ±1.5B ~ØC ~
1 1/240165330210
250178340210
2 1/265190395210
380203430225
4100229521255
5125254568255
6150267666356
8200292783400