ASCO 307-S Solenoid Pilot Valves

Brand: ASCO

The ASCO 307-S Series is a line of solenoid pilot valves designed for heavy-duty industrial applications in hostile environments.

Their high flow capacity, rugged stainless steel or brass constructions, and long service life are especially well suited for use in drilling rigs and refineries.

The valves are ATEX 94/9/EC Directive approved.
  • High flow capacity — & Oslash; 9 mm
  • Can be internally piloted, or externally piloted to convert valve to zero minimum pressure differential operation by applying auxiliary air
  • Satisfies all relevant EC Directives



Body Material

  • Brass, Stainless Steel


  • From .43 to .86 Kv


  • 3-Way - 3/2 Universal

Maximum Differential, Maximum Operating Pressure

  • Vacuum to 10.3 bar, Vacuum to 150 psig


  • Air, Inert Gas, Light Oil, Water

Operating Environment

  • Hazardous, Corrosive, Outdoor

Pipe / Port Size

  • 1/4, 1/2, 3/8

Port Type

  • Female NPT

Standards & Regulations

  • IP65, ATEX Zone 0-20, ATEX Zone 1-21, CUTR/EAC, IEC 60529 (Ingress Protection), EC Ex Zone 0-20, IEC Ex Zone 1-21, IP66, IP67, SIL

Valve Actuation

  • Manual Reset, Solenoid, Solenoid - Air Pilot


  • 24 DC, 48 DC, 24 AC, 115 AC, 230 AC/50, 60
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