ASCO™ Series HV434 Gas Shutoff Valve -Emerson company | Linquip

ASCO™ Series HV434 Gas Shutoff Valve

Evaluate this Device
Download ASCO™ Series HV434 Gas Shutoff Valve PDF Catalog
The ASCO Series HV434 is a family of low-temperature, stainless-steel shutoff valves with proof of closure for on-off or gas pilot control of commercial and industrial gas burners in harsh environments. The valves combine a unique double-disc design with a rugged 303 SST GO™ Switch to provide electrical indication of "closed" position. Their low-power DC peak-and-hold constructions reduce energy consumption to 0.85 W (hold). The valves design with large pilot orifice provides consistent and reliable operation. Suitable for applications such as tank heaters, line heaters, incinerators and flare stacks.
  • Requires zero minimum pressure differential for robust operation in locations with low supply pressure

  • Solenoid operator and proof-of-closure switch have Class I, Div. 1 enclosures for use in hazardous locations

  • Resilient soft seating for tight shutoff

  • Complies with ANSI/ISA-12.27.01.2003 single-seal requirements

  • Available in AC and DC voltages

ASCO™ Series HV434 Gas Shutoff Valve Specifications:

  • Max. working pressure (bar)

    10.3
  • Maximum Temperature (C)

    52
  • Minimum Temperature (C)

    -40
  • DN from

    8
  • DN to

    20
  • Sealing material

    NBR
  • NPS from

    0.25
  • NPS to

    0.75
  • Actuator Type

    Solenoid
  • Connection Type

    NPTF
  • Body Material
    Brass - Nickel Plated
  • Media (working fluid)
    Natural Gas
  • Opening switch time (ms)
    -0.002
  • Flow Characteristics
    From 6.0 Cv to 14.0 Cv; From 2.0 Cv to 6.0 Cv; From 1.0 Cv to 2.0 Cv
See full specifications
0