Process plants across the globe rely on low-power solenoid valves to a great extent.

Low power solenoid valves are used as pilot valves to open and close larger ball or butterfly valves or on control valves for fail-safe air release if power is lost.

Low power solenoid valves work by pressurizing or depressurizing associated actuators

Low power solenoid valves are of interest to designers working for original equipment manufacturers (OEMs) and valve assemblers, as well as for end-user engineers and anyone who specifies solenoid valves.

Low-power solenoid valve technology offers new possibilities and challenges such as integrated solutions, clogging and other reliability issues, usefulness in point-to- point and bus networks, other cost savings, remote applications, and relevant industry standards.

Choosing low-power solenoid valves for process industry applications can be difficult and can result in many problems. End users must carefully consider many aspects before selecting the right valve for a process industry task. Issues to be considered include:

  • Orifice size and clogging potential
  • Pressure rating and other physical characteristics
  • Bus compatibility
  • Backup power needs
  • Relevant industry standards

A new generation of low power solenoid valves from ASCO Numatics offer solutions that combine low power with reliable performance to suit more applications




Applications of Low Power Solenoid Valves


ASCO Numatics have introduced a low-power solenoid valve range that offers 0.55 watt power consumption while also giving highly reliable operating performance.  The range is ideal for process applications in the following industries

  • Refining
  • Upstream oil and gas
  • Chemical
  • Pharmaceutical
  • Food and beverage
  • Power generation

The range is also an optimal solution for applications powered by renewable energy sources such as solar panels


Product features of Low Power Solenoid Valves:

They have a low power consumption allowing the use of smaller battery packs and enabling extended operation on the existing back-up energy source

Designed to be wired directly into a plant’s bus network I/O interface without the need for auxiliary power source so more discrete devices can be installed on a network segment

Need for an additional relay is eliminated on PLC or DCS installation by using traditional wiring

Smaller power supply reduces installation and operating costs

Multiple options for flow efficiency

Maximum and minimum temperature and pressure ratings

Has ATEX, FM, CSA, and UL approvals and is SIL-3 certified

Available through the ASCO Today or ASCO 5-day shipping programs

Available in brass, aluminium or stainless steel bodies


ASCO Low Power Solenoid Valves

Applications of the 0.55 W Low Power Solenoid Valves:

AS-Interface®, DeviceNet™, and other BUS networks

PLC, DCS, and other plant controlled units

Remote solar panel and battery operated applications:

  • Remote natural gas wellhead production
  • Storage and distribution of natural gas
  • Remote tank monitoring control systems

“Green” energy saving applications


Features and Benefits of the 0.55 W Low Power Solenoid Valves:

Molded one-piece solenoid with highly efficient solenoid cartridge and 0.55 W low wattage coil

Designed for use in automation of plant control systems to provide

  • PLC and DCS compatibility
  • Reduced wiring cost
  • BUS network and traditional wiring
  • Reduced temperature rise
  • Increased battery life

Energy savings

Approved by Agencies

  • UL & CSA Approved for Class I Div. 1 Locations & Class I Div. 2 Non-Incendive. UL Listed General Purpose Valves, CE


  • Standard Ambient Temperature of 149°F (65°C)
  • Optional High Ambient Version (176°F/80°C) (HT Prefix)
  • Surge Suppression (MF Prefix)
  • 12VDC, 24VDC, 48VDC, and now available 125VDC

Wide selection includes

  • 2/2 normally closed solenoid valves
  • 3/2 normally closed (including Quick Exhaust) solenoid valves
  • 3/2 universal solenoid valves
  • 4/2 solenoid valves
  • 5/2 solenoid valves
  • 5/3 solenoid valves

New Retainer Clip provides even more secure coil & nameplate holding