1/4", 3/8", 1/2" Direct Solenoid Operated Manual Reset

70 Series Direct Acting Valves Midland ACS logo

Midland-ACS 3/2 normally open/ normally closed / diverting (universal) direct acting solenoid operated with manual reset valves in stainless steel.

Features and Benefits:

  • Specifically designed for severe environments
  • Large porting for high Cv
  • 3.5 W Low power consumption
  • SIL3 available, third party approved
  • Zero pressure rated
  • Response time 100 - 150 ms
  • Manual override options available
  • 316L stainless steel body construction
  • Designed for actuator control and safety critical systems
  • Normally open, normally closed and diverting (universal)
  • Satisfies all relevant EC Directives
  • Easy cable installation

Working Temperature Range:

  • -20 °C to +60 °C (-4 °F to 140 °F) FKM seals
  • -50 °C to +60 °C (-58 °F to 140 °F) EPDM seals

Working Pressure (operating pressure differential):

  • 0 - 12 bar (174 psi) maximum

Protection:

  • Explosion proof standard (dual-rated) II G Exd T6 (-50 °C ≤ Ta +60 °C) and T4 (-50 °C ≤ Ta +80 °C)
  • Suitable for Zones 1 and 2, gas groups IIA, IIB, IIC
  • Ingress Protection IP67 as standard (NEMA Equivalent: 6)
  • IP68* option available, third party approval (please consult factory)
  • The combination of the valve and coil will determine maximum ambient i.e. always the lower of the two
  • DC models supplied with surge protection as standard

Ports NPT (BSP Option Available):

  • 1/4”, 3/8”, 1/2” NPT

Operating Media:

  • Gases - filtered lubricated or non-lubricated
  • Air, inert gas, sweet (natural) gases
  • Sour gas option available (consult factory)

Approvals:

  • SIRA SIL3 3rd party assessed, ATEX, IECEx, CE, CU-TR

Construction Materials:

  • Body: 316L stainless steel
  • Springs: 316 stainless steel
  • Seals: FKM as standard
  • EPDM on low temperature option

Electrical Characteristics:

  • Electrical connection (Std): cable connector from M20 x 1.5 female conduit
  • 1/2” NPT option available
  • Coil insulation: class H (BS EN 60085) 180 oC

See Rotork Midland Direct Acting Valves Catalogue for further details

70 Series Direct Acting Valves Midland ACS logo