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

• 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