Bellows Seal Globe Valves: BS 1873

Bellows Seal Globe Valves: BS 1873Click to view the big picture
Short Description
 Model No.: GLV BS BS1873    Hits: 1989
Bellows Seal Globe Valves: BS 1873, Bolted Bonnet, Double seal, Flanged Ends, Rising stem, ANSI Class 150 - 300, 1/2 - 14 Inch, or as customer required.

Key Specifications / Features

Drawing Bellows Seal Globe Valves BS 1873

Valve Type: Bellows Seal Globe Valve

Valve Size: 1/2” - 14”
Pressure Rating: Class 150 - 300
 
Standards:
Design & Manufacture BS 1873
Face to Face ASTM B16.10
End Flanges Dimension ASME B16.5
Inspection & Test API 598
 
Structure Feature:
Double seal, more reliable performance
Stem lift position indication, more intuitive
Small flow resistance, low pressure drop
 
Standard Material Specifications
Parts Name Carbon Steel to ASTM Alloy Steel to ASTM Stainless Steel to ASTM
  Body A216 WCB A352 LCB A217 WC1 A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M A351 CF3 A351 CF3M
  Disc A182 F6a A182 F6a A182 F6a A182 F6a A182 F6a A182 F6a A182 F304 A182 F316 A182 F304L A182 F316L
  Disc Cover A182 F6a A182 F6a A182 F6a A182 F6a A182 F6a A182 F6a A182 F304 A182 F316 A182 F304L A182 F316L
  Stem A182 F6a A182 F6a A182 F6a A182 F6a A182 F6a A182 F6a A182 F304 A182 F316 A182 F304L A182 F316L
  Bellows Seal A182 F304 A182 F304 A182 F304 A182 F304 A182 F304 A182 F304 A182 F304 A182 F316 A182 F304L A182 F316L
7. Bonnet A216 WCB A352 LCB A217 WC1 A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M A351 CF3 A351 CF3M
8. Bolt A193 B7 A320 L7 A193 B7 A193 B16 A193 B16 A193 B16 A 193 B8 A 193 B8M A 193 B8 A 193 B8M
9. Nut A194 2H A194 4 A194 2H A194 4 A194 4 A194 4 A194 8 A194 8M A194 8 A194 8M
11. Gland A182 F6a A182 F6a A182 F6a A182 F6a A182 F6a A182 F6a A182 F304 A182 F316 A182 F304L A182 F316L
12. Gland Flange A216 WCB A352 LCB A217 WC1 A217 WC6 A217 WC9 A217 C5 A351 CF8 A351 CF8M A351 CF3 A351 CF3M
  Gasket Flexible Graphite+ SS or PTFE
10. Packing Flexible Graphite or PTFE
13. Stem Nut Copper alloy or A439 D2
14. Hand Wheel Ductile Iron or Carbon Steel
 

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