ATLANTIS Mechanical Pressure Switch AT511-7

RM 0.00


Mechanical Pressure Switch (General Application Type) AT511-7 Series


Atlantis mechanical pressure switch AT511-7 adopts SS316L bellow/diaphragm as measuring elements. ATLANTIS Mechanical Pressure Switch AT511-7 is suitable for corrosive gas and liquid measurement.



  • OEM service
  • Measuring elements adopt SS316L bellow (diaphragm available upon request)
  • Wide operating temperature: -40 to 50℃
  • Adjustable set point range -0.1 to 6.3MPa
  • Suitable for using in corrosive media
  • Fixed/adjustable/narrow fixed dead band types are available for wide applications
  • Protection level IP65
  • Explosion-proof type available (option)


Main Specifications

  • Type: Normal: AT511-7D, Narrow dead band: AT511-7DK
  • Pressure connection, Material: Stainless steel, Thread spec.: G1/2”
  • Adjustable set point range: -1…0 to 6.3MPa
    For detail please refer to adjustable set point range
  • Dead band: Fixed/Adjustable/Narrow fixed dead band
    For detail please refer to adjustable set point range
  • Applicable fluid: Corrosive liquid and gas that compatible with SS316L
  • Ambient temperature: -40°C to +50°C
  • Media temperature: 0°C to +120°C
  • Media viscosity: < 1 x 10-3m2/s
  • Vibration-proof performance: AT500-7D: Max. 40m/s, AT500-7DK: Max. 20m/s2
  • Protection level: IP65


Other Specifications

  • Installation type: Bottom mount
  • Case: Die casting aluminum
  • Measuring elements: Bellow (standard) / Diaphragm (option), All wetted part adopts SS316L, the others adopts SS321
  • Switch type: SPDT micro switch
  • Switching frequency: 20 times/min
  • Max operating pressure: 1/2/5/8.5MPa
    (Vary from adjustable set point range)
  • Repeatability: ≤1%
  • Contact rating: AC220V, 6A (resistive load)
  • Service life: 2,000,000 cycles