Overview
The Belimo 22WDP-534 is an active differential pressure sensor designed for precise differential pressure measurement of liquid media in HVAC hydronic systems. Featuring a stainless steel enclosure and ceramic diaphragm, it reliably monitors water and water-glycol mixtures across a 0 to 50 psi range.
Features
- Stainless steel and ceramic diaphragm construction for durability
- Active 4…20 mA output for reliable signal transmission
- NEMA 4 / IP65 rated enclosure for demanding environments
Specifications
- Pressure Range: 0…50 psi [0…3.4 bar]
- Output Signal: 4…20 mA
- Medium: Water and water/glycol mixtures
- Enclosure Rating: NEMA 4 / IP65
Applications
- Differential pressure measurement across pumps, chillers, and valves in HVAC systems
- Flow monitoring in hydronic heating and cooling loops


Reviews
There are no reviews yet.