GLOBE VALVES

 
 
 
BALL VALVES
GATE VALVES
GLOBE VALVES
  CHECK VALVES  
  DOUBLE BLOCK & BLEED VALVES  
  PRESSURE BALANCE PLUG VALVES  
  FORGED VALVES  
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  CONTROL VALVES  
     
 

   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
CAST STEEL THROUGH CONDUIT - API 6D
 
 
Features:  

 

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Hawa Valves Cast Steel Through conduit Gate Valves have been designed to meet the requirements of API 6A

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Face to Face and End to End dimensions conform to API 6A

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End flange dimensions conform to API 6A

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Butt weld end dimensions conform to API 6A

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Screwed end dimensions conform to API 6A

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Collapsing movement of split gate away from seat during opening eliminates erosion and abrasion of seats and gate

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Weather proof operating system

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Easy maintenance with valve in-line

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Through conduit piggable passage

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Anti-frictional Ball bearings

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 Outside screw and yoke construction

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Bi-directional shut-off

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Sealant injector fittings

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Body ports are streamlined, permitting unobstructed flow, reduces turbulence, results in lower pressure drop & lower erosion

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Available in all popular bore sizes and PSL 1 through 4

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Valves meet the requirements of fugitive emission levels Shell category B as per MESC SPE 77/312

 
 
Options:

 

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Slab gate with floating seats

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Position indicator

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Hydraulic or Pneumatic actuator available

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Can be supplied with GRAYLOC END HUB, under project license from GRAYLOC PRODUCTS®, UK.
   
Materials :
   

Part Name

Material Option

  Body

ASTM A 216 WCB / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB / A 487 4A

  Bonnet

ASTM A 216 WCB / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB / A 487 4A

  Gate Guide Skirt

SS 304 / SS 316

  Gate @

ASTM A 216 WCB / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB / A 487 4A

  Spring

SS 304

  'O' Ring

VITON

  Seat Rings @

ASTM A 216 WCB / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB / A 487 4A

  Seat

PTFE

  Spindle

ASTM A 479 410 / A 479 304 / A 479 316 / A 479 304L / A 479 316L

  Stem Nut

ASTM A 439 Gr.D2 / Al. Bronze

  Bonnet Gasket

Low Carbon Steel / Stainless Steel

  Cover Ring

VITON / Nitrile

  Packing Injector

SS 410 / SS 304

  Gland Packing   Chevron Ring / Graphoil / PTFE
  Lantern Ring   SS 410 / SS 316
  Gland Ring   Carbon Steel / Stainless Steel
  Gland Nut   Carbon Steel / Stainless Steel
  Bonnet Cap

ASTM A 216 WCB / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB / A 487 4A

  Bearing   Standard
  Pin   SS 410
  Drive Screw   Carbon Steel
  Hand Wheel   Carbon Steel
  Locking Pin   Carbon Steel
  Studs / Bolts   ASTM A 193 B7 / A 193 B7M / A 193 BBM / A 320 L7
  Nut   ASTM A 194 2H / A 194 8 / A 194 8M / A 194 4 / 7
   
* Valves are available in Duplex & Super Duplex Stainless Steel and Nickel Aluminium Bronze. Please indicate Trim required and ask for individual technical data sheets provided separately for these special materials.
@ CS & Alloy Steel Wedges and Seat Rings will be overlayed with 13% CR. or STELLITE 6 as per customer specifications.