The Ashcroft® DDS differential pressure switch senses low differential pressures between high differential pressure sources. This switch is available with either a watertight or explosion proof enclosure and is ideally suited for differential pressure level sensing, filter monitoring and pressure control.
Process Applications:
Pipelines
Boilers
Process Applications:
Filter Monitoring and Control
Pressure Level Sensing
Setpoint
Single setpoint, field adjustable
Setpoint Repeatability (Accuracy)
±1% of span (Additional setpoint shift of ±1% of range per 50°F from initial setpoint set at 70°F typical)
Deadband
Fixed
Enclosure Ratings
Explosion Proof: NEMA 7 & 9
Watertight: NEMA 4X &12
Enclosure Material
Cast aluminum
Pressure Connection
¼ NPT Female (STD.)
Electrical Termination
¾ NPT Female (STD.)
Diaphragm/Actuator Material
Buna N, Viton or Teflon
Pressure Ranges
0-1.5 in. H2O to 0 -150 in. H2O
Ambient Temperature Range
-20°F to 180°F (-29°C to 82°C)