ASCO S261 Series Gas Shut-Off Valve

Brand: ASCO

The ASCO S261 Series is a line of solenoid valves designed for on-off control of fuel gas in commercial and industrial gas burners. The pilot-operated valves have die-cast aluminum bodies, are designed for 2-way, normally closed operation, and have high-pressure capabilities.
  • Provided with 1/8-inch NPT upstream and downstream pipe taps with plugs for routine testing
  • Zero differential piloted diaphragm
  • Suitable for ambient temperatures up to 175°F
  • Opening and closing times are less than 1 second
  • Available in 3/8-inch to 3-inch sizes for a wide variety of applications
  • All models are UL/CSA-rated; FM rating on 3/8-inch to 3/4-inch sizes



Body Material

  • Aluminum


  • 2-Way - 2/2 Normally Open

Maximum Differential, Maximum Operating Pressure

  • Vacuum to 150 psig


  • Natural Gas

Operating Environment

  • Indoor

Pipe / Port Size

  • 1/2”, 3/8”, 3/4”, 1”, 1-1/4”, 1-1/2”, 2”, 2-1/2”, 3”

Port Type

  • Female NPT

Standards & Regulations

  • CSA, UL, FM

Valve Actuation

  • Solenoid


  • 24 AC, 120 AC, 230 AC
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