Flange to Flange

Machined from a barstock forging, this valve features two inline ball pattern primary and secondary isolating valves and a heavy duty needle vent valve. Ball valve bore sizes from 14mm and 20mm (0.55” to 0.8”).


Standard Specification
  • Maximum rating 2500lb class
  • Maximum temperature 240°C
  • Metal to metal seated needle valve
  • Soft seated ball valve

Key Features
  • Compact ‘grain controlled’ forged double block and bleed valve
  • Needle valve features non-rotating, anti galling tip
  • Anti-blow out spindle
  • Reduced bore ball valve
  • Each valve traceable by unique number

Question and Answer

Question: Hi there, could you possibly tell me the face to face dimension of a 3",300# RF DBB valve. Regards Barry

Answer:

A floating version of a 3" 300 DBB is 515
A trunnion version of a 3" 300 DBB is 542

Robin Marsh (Oliver Valves, Engineering Manager)
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