ZPPW

ZPPW

What This Means — For Quick Client Selection

  • Pure mechanical → no power, no display, no electronics; survives harsh & high-vibration utility rooms. 
  • Fixed hysteresis means stable pump cut-out → prevents rapid cycling in booster sets. 
  • Ideal for compressors, DM water pump house, AHU chill water systems where constant ON/OFF is required. 
  • If you need visible pressure value + 4–20 mA output, move to Baumer CNI10 (electronic). 
  • Use with snubber if installed in pulsating pump discharge to avoid chatter. 
  • Good for simple relay logic without PLC/SCADA.
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Description

Baumer ZPPW is a heavy-duty mechanical diaphragm pressure switch designed for rugged utilities such as compressors, boiler pumps, hydraulic lines & industrial air systems. With micro-switch snap action, robust brass/SS body, and repeatable switching, it offers reliable pump/relay cut-in/cut-out control without electronics—ideal for plants needing simple, durable, power-free pressure protection.

ZPPW — Key Technical Data & Selection Parameters

Parameter Specification / Details
Measuring Range 0.2 … 16 bar (model dependent)
Switching Type SPDT / Micro-switch snap action
Hysteresis Fixed or adjustable (model dependent)
Media Compatibility Water, compressed air, non-aggressive fluids
Process Connection G¼ / G½ (brass or SS)
Switching Accuracy ±2% FS typical
Maximum Pressure Up to 30 bar
Temperature Range –10 °C to +80 °C
Electrical Rating 250 VAC, typically 5–8 A (relay/contactor duty)
Housing Material Brass / Stainless steel
Ingress Protection IP65
Installation Orientation Vertical preferred
Certification CE compliant
Function Direct ON/OFF pump/compressor/utility cut-out

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