BALL VALVES

 
 
 
DIAPHRAGM VALVES
REFLUX VALVES
BUTTERFLY VALVES
  CHECK VALVES  
  DOUBLE BLOCK & BLEED VALVES  
  PRESSURE BALANCE PLUG VALVES  
  FORGED VALVES  
  SOLENOID VALVES  
  BUTTERFLY VALVES  
  BELLOW SEAL VALVES  
  CONTROL VALVES  
     
 

   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
CAST STEEL, 1PIECE, FLOATING BALL FULL and REDUCED PORT SERIES
 

 

Features:  
   

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Hawa Valves Cast Steel Ball Valves have been designed to meet the requirements BS 5351 / ASME B 16.34 / API 6D-ISO 14313 / API 608/MSS SP 72

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End flange dimensions conform to ASME B 16.5 / ISO 7005-1 / API 605 / BS 3293 / DIN

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Butt weld end dimensions conform to ASME B 16.25

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Fire tested design to API 607/API 6FA/BS 6755-II

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Flexible lip seats compensate for wear and changes in pressure

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Blow out proof stem construction

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Antistatic devices ensure electrical continuity between ball, stem & body

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Triple stem sealing

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ISO 5211 top pad for simplified gear/actuator mounting

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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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For low temperature and cryogenic services (cold box and non-cold box applications) extended bonnet as per BS 6364 available

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Locking arrangement

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Gear, Electrical, Hydraulic or Pneumatic actuator available

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Soft seats are recommended for service temperature up to 260ºC and for higher temperatures a metal to metal seating offered

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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 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB

  Insert

ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB

  Ball

ASTM A 182 F304 / A 182 F316 / A 182 F 6a

  Body Seal

PTFE / Graphoil / Spiral Wound SS 316 with Graphoil

  Seats

PTFE / GET / Graphite filled PTFE

  Stem

ASTM A 182 F304 / A 182 F316 / A 182 F 6a

  Gland Bush

ASTM A 182 F304 / A 182 F316 / A 182 F 6a

  Gland Packing

Graphoil / PTFE

  Stem Packing

Graphite filled PTFE / Graphoil

  Gland Nut

Stainless Steel

  Stem Nut

Stainless Steel

  Lever

Carbon Steel with PVC

  Disc Spring

Carbon Steel

  Studs / Bolts

ASTM A 193 B7 / A 193 B7M / A 193 B8 / A 193 B8M / A 320 L7

  Nut

ASTM A 194 2H / A 194 B7M / A 194 B / 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.
   
 
 
 

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