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ASCO™ Series 043 Gas Shutoff Valves

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The ASCO Series 043 are 2-way, normally closed gas shutoff valves for on-off control of fuel gas in commercial and industrial gas burners.; Standards / Regulations: CSA, FM, Type 1, UL, Type 4; Body Material: Aluminum; Media: Natural Gas
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  • Valve Actuation: Solenoid
  • Body Material: Aluminum
  • Media: Natural Gas
  • Pipe / Port Size: 3/4 “; 1 “; 1 1/4 “; 1 1/2 “; 2 “; 2 1/2 “; 3 “
  • Port Type: NPTF
  • Function: 2 way – 2/2 Normally Closed
  • Flow: From 2.0 Cv to 6.0 Cv; From 6.0 Cv to 14.0 Cv; Over 14.0 Cv
  • Voltage: 110 AC; 120 AC; 220 AC; 230 AC | 50/60
  • Max Differential / Max Operating Pressure: Vacuum to 150 PSIG
  • Operating Environment: Indoor, Outdoor
  • Standards / Regulations: CSA, FM, Type 1, UL, Type 4

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At a glance:
  • The ASCO Series 043 are 2-way, normally closed gas shutoff valves for on-off control of fuel gas in commercial and industrial gas burners.
  • The valves feature a unique double-disc design with over travel that provides redundant sealing for leak-tight operation.
  • The Series 043 includes visual position indication and proof of closure.
Features:
  • Opening and closing response times are less than 1 second
  • Visual indication of open and shut position
  • Proof of closure switch rated at 1 amp
  • Zero-differential piloted diaphragm
  • 1/8-inch NPT upstream and downstream pipe taps with plugs for routine testing
  • 5-pound closing spring for high force shut-off

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