Habonim 73/74/77 DS05 Double Block and Bleed Valve Series

Product Benefits

  • Minimizes the risk of furnace explosion.
  • Increases system reliability.
  • Saves space and reduces weight.
  • Reduces installation time.
  • Streamlines maintenance operations.
  • Reduces the number of items in repair kits.
  • Rugged construction.
  • Bubble tight shutoff on all three valves.
  • Coupled operating mechanism reduces the number of actuators on the main line
  • Tongue & Groove design for all body seals Variety of end connections (welded, threaded, flanged).


  • PED 2014/68/EU Module H Pressure equipment directive
  • ATEX 2014/34/EU equipment and protective systems intended for use in potentially explosive atmospheres (optional for actuated unit only)
  • IEC 61508-2 SIL 2/3 Safety integrity level – functional safety of electrical/electronic/programmable electronic safety-related systems (optional for actuated unit only)
  • API 607, ISO 10497 Testing of valves – fire type-testing requirements
  • ISO 15848-1 Industrial valve – measurement, test and qualification procedures for fugitive emissions

Technical Data

  • 73X/73W, 74X/74W, 77X/77W Full port
  • Size range 11/2″-8″ (DN32-DN200)
  • Pressure range ANSI Class 150 RF, Class 300 RF, DIN PN16/40 RF.
  • Temperature range -200 °C to +260 °C (-328 °F to 500 °F)
  • Temperature +260° C (500° F) and above consult ESI for advice on seat options.
  • Materials Carbon Steel, Stainless Steel, Alloy C22, Duplex, Super Duplex, 254 SMO etc.
  • End connections Threaded, welded, flanged and more
  • Operation manual, actuated and coupled actuation


  • Prevention of explosions in fuel, oil and natural gas furnaces
  • Prevention of risk to personnel downstream of valves.
  • Critical Process Applications to maintain valve integrity
  • High-pressure systems to relieve pressure inside valve cavities.
  • Toxic and Hazardous fluid processes for containment.
  • Chemical injection connections and Sampling.
  • Steam Isolation for a safety measure to prevent injury.
  • Gauge Isolation to maintain Instrumentation.

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