Numatics 503 Series Solenoid Pilot Actuated Valves

​The Numatics 503 Valve series provides higher flow and higher reliability in one versatile valve platform. The 503 Series is available in dual 3-Way and 4-Way solenoid air pilot actuated valves. They are available with manifold or individual base mountings, proprietary or ISO 15407. Numatics 503 series valves are compatible with the Numatics G3 Fieldbus Electronics Platform.

Standard Numatics 503 Series Valve Specifications:

  • Cv 1.0 – 1.4
  • Port Sizes: ¼, 3/8, 8mm, 10mm, Push-In, NPTF & G Tap
  • 5 ported, 2X3-Way, 2 and 3 position, 4 Way, spool & sleeve & rubber seal
  • Operating Pressure Range: 28" HG. Vacuum to 115 PSIG/ Vacuum to 8 Bar
  • Pilot Pressure Range 29 to 115 PSIG / 2 to 8 Bar
  • Temperature Range(Ambient): -14 °F to +115 °F/ - 10°C to 50 °C
  • Numatics 503 Series Valve Features
  • G3 Electronics Compatible
  • Solenoid air pilot actuated
  • Low wattage, 1.7 watt for DC application
  • DC solenoids polarity insensitive with surg suppression
  • Plug together circuit boards eliminate internal wiring
  • Integral recessed gaskets
  • Push-in Fittings to accommodate various tubing sizes
  • Simple conversion from internal to external pilot
  • IP 65 Certified


Numatics Offers Express Products Program

ASCO NumaticsNumatics, Inc. is a leading manufacturer of pneumatic products and motion control products. Since 1945, Numatics has emerged as the prominent specialist in developing and manufacturing pneumatic and fluid power components for a widely diverse field of automated industry.

Numatics Express Shipping Program guarantees product shipment in two, three or five business days. Unlike most traditional quick ship programs, the Numatics Express Shipping Program includes the most comprehensive offering in the industry.

Check out the Numatics Express Catalog below. For any applications questions or ordering requirement, visit Process Control Solutions at this link, or call (800) 462-5769.


Need a Tough Electric Actuator with Proven Performance? Check Out EIM Electric Valve Actuators

EIM electric actuator
EIM electric actuator.
EIM electric actuators are well known for their innovation, quality and ability to withstand for harsh industrial applications.  EIM actuators are found throughout the processing industries - oil and gas, power, refining, chemical, petrochemical, water/wastewater and mining.  EIM actuators and controls have a proven track record for reliable performance in critical shutdown applications as well.

For more about EIM Actuators visit Process Control Solutions website here, or call (800) 462-5769.

Watch the video below for a general overview of EIM actuators.

Welcome to the Process Control Solutions Blog

Process Control SolutionsWe hope you find the information in the following posts useful and informative. With decades of experience supporting fluid power, flow control, instrumentation and control system needs, we want to share the knowledge we have with you about innovative solutions for virtually any process application requirement. If you have any questions about control systems, pneumatic systems, or flow control systems, feel free to call us at (800) 462-5769 or visit http://www.processcontrolsolutions.com.