MT-SR - Pneumatic actuator single acting

MT-SR - Pneumatic actuator single acting

Max-Air single-acting air-operated actuator for industrial valves. 

  • Operating pressure 2-10bar
  • Standard rotation 90 degrees. From MT15 size upwards, adjustable +-10 degrees.
  • Namur VDI/VDE 3845 and ISO 5211 dimensions. Fits all most common valves, limit switches, positioners
  • Rack and pinion
  • Die-cast aluminum end caps
  • Anodized aluminum body with excellent corrosion resistance. Also available with other coating and material options.
  • ATEX rated II 2 G/D e TX
  • Standard star-shaped (double square) shaft, also available with other shaft types
  • Open/close indicator as standard
  • Stainless steel bolts and screws as standard
  • Lifetime lubricated
  • Each actuator is factory tested
CodeSpring torque start/end (Nm)Torque @ 6bar start/end (Nm)MountingShaft Ø (mm)Package size (KPL)
31-MT05-SR511,2/7,57,6/4F03/F05111
31-MT07-SR518,5/11,513,5/6,5F03/F05111
31-MT15-SR525,3/11,514,9/7,7F05/F07141
31-MT17-SR531,4/21,721,8/12,1F05/F07141
31-MT20-SR541,6/31,228,8/18,4F05/F07171
31-MT25-SR566,3/41,955,7/35,3F05/F07171
31-MT30-SR584,9/63,267,9/49,9F05/F07171
31-MT35-SR5139,5/10489,3/53,8F07/F10221
31-MT40-SR5171,1/125,6116,2/70,7F07/F10221
31-MT45-SR5301,2/189,3188,1/76,2F07/F10221
31-MT50-SR5372,9/294,3249,3/170,7F10/F12271
31-MT55-SR5503,7/357,4367,3/221,1F10/F12271
31-MT60-SR5726,6/579,3519,9/372,6F10/F12361
31-MT65-SR5951,6/705,6744/498F10/F12361
31-MT70-SR51917,0/1385,01453/921F16461