Description

Double Setting Differential Pressure Switch AT520-7DDS

Atlantis  pressure switch AT520-7DDS double setting differential pressure switch adopts bellow as sensor, which can be used for neutral liquid and gas. ATLANTIS Pressure Switch AT520-7DDS mainly used in nuclear power, chemical industry, shipping, metallurgy and other industries.

Features

• OEM service
• Adopts DPDT micro switch
• Adjustable set point range 0.02 to 1.6MPa
• Suitable for using in neutral liquid and gas
• Adopts bellow as measuring elements
• Protection level IP65

Main Specifications

• Pressure connection: Material: Brass, Thread spec.: G1/4”(F)
  Other thread specification is available made-to-order
• Adjustable set point range: 0.02~1.6MPa
  For detail please refer to adjustable set point range (Fixed Dead Band) table
• Dead band: Fixed dead band
  For detail please refer to adjustable set point range (Fixed Dead Band) table
• Applicable fluid: Neutral gas and liquid that compatible with pressure connection
• Operating pressure: 0.05~2.5MPa (Based on adjustable set point range)
• Ambient temperature: -30°C to 50°C
• Media temperature: 0~100℃
• Media viscosity: < 1 x 10^-3m²/s
• Vibration resistance: Max. 20m/s²
• Protection level: IP65

Other Specifications

• Installation: Bottom mount (15° of tilt is acceptable)
• Case material: Die casting aluminum
• Measuring elements: Bellow, Material: SS316L (Standard), other materials (Optional)
• Switch type: DPDT micro switch
• Switching frequency: 10 times/min
• Max. operating pressure: 2 / 3MPa (Based on adjustable set point range)
• Repeatability: ≤1%
• Synchronization error: ≤0.5%
  (Synchronization error on lowswitching pressure difference value *3)
• Contact rating: AC220V, 15A (Resistive 600VA)
• Service life: 2,000,000 cycles
• Weight: About 1.6kg
• Other requests (Option): Third party notarized documents, Inspection report, Tag