1075 Forged Steel Gate Valve Class-800
Forged Steel Gate Valves

1075 Forged Steel Gate Valve, Class-800 (Standard Bore)

High-pressure forged steel gate valve to API 602 / BS EN ISO 15761. Bolted bonnet, outside screw, yoke type, rising stem. Body and bonnet phosphated for rust resistance.

Test Pressure

  • Shell (Hydrostatic): 207 bar (3000 psig)
  • Seat & Back Seat (Hydrostatic): 152 bar (2200 psig)
  • Seat (Pneumatic): 6.9 bar (100 psig)
  • Max Working Temp: 425°C
Suitable For: Steam, Water, Oil
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Salient Features

  • Design Standard API 602 / BS EN ISO 15761 (BS 5352)
  • Body and Bonnet Phosphated for maximum rust resistance
  • Bolted Bonnet, Outside Screw, Yoke Type, Rising Stem
  • Screwed Female Ends to BSPT / NPT / Socket Welded to ANSI B16.11

Materials of Construction (MOC)

P.No.Part NameMaterialSpecificationQty
1BodyForged Carbon SteelASTM A 1051
2Body Seat RingStainless SteelASTM A276 Type 410 / ASTM A 182 Gr. F6a2
3Wedge (Solid)Stainless SteelASTM A217 Gr. CA 151
4StemStainless SteelASTM A276 Type 410 / ASTM A 182 Gr. F6a1
5GasketSpiral Wound S.S (Type 316) Graphite Filled1
6BonnetForged Carbon SteelASTM A 1051
7Bonnet NutAlloy SteelASTM A 194 Gr. 2H4
8StudAlloy SteelASTM A 193 Gr. B74
9Gland PackingNon Asbestos Graphite With Corrosion Inhibitor
10GlandStainless SteelASTM A276 Type 4101
11Gland FlangeCarbon Steel1
12Eye BoltStainless SteelASTM A276 Type 410 / ASTM A 182 Gr. F6a2
13NutAlloy SteelASTM A194 Gr. 2H2
14Yoke SleeveAluminium BronzeBSEN 1982 AB-11
15HandwheelDuctile IronASTM A 536 / IS 18651

Sizes / Dimensions

Size (in)Size (mm)A ±1.5BC ~ØD ~
1/215851/2″14385
3/420863/4″14685
1251011″16295
1 1/4321401 1/4″226155
1 1/2401401 1/2″226155
2501642″230155

~ ±10

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