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ASCO 043 Series Gas Shut-Off Valves

Brand: ASCO
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
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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Specifications

Brand

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

  • Female NPT

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

Maximum Differential, Maximum Operating Pressure

  • Vacuum to 150 psig

Operating Environment

  • Indoor, Outdoor

Standards & Regulations

  • CSA, FM, Type 1, UL, Type 4
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