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Water pressure switches
For heating installation

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Pressure switch for control and supervision of anti-incendiary systems or devices for water treatment.

Conditions of use:
  • Max. temp.: 55 °C.
  • Max. voltage: 250 V.
  • Max. intensity: 5A.
  • Max. liquid temperature: 110°C.
See this product in our catalogue

Port 1/4"; Gas.
2 contacts (1 NO - 1 NF).
Membrane : NBR with fabric reinforcement.
Hydraulic connection 1/4"F in zinc-plated steel.
IP4 protection.
‘Pulling protected’ cable gland.

Safety pressure switch for use on heating installations.
The system automatically stops the heat generator when a pre-set water pressure level has been reached.
Reactivation can only be carried out manually with the rest button once the pressure has gone down by at least 0,4 bar under the blocking value.
Graduated scale readable from the outside.
Double normally closed electrical contact (PMR/5EU) or normally open (LPR/5) in brass alloy with Ag-Ni filler metal.
Terminals with M4 screws and pressure pellet, 8x8 mm.
Membrane in NBR rubber with fabric reinforcement.
Hydraulic connection ¼" in zinc-plated steel.
IP 44 standard protection level.
‘Pulling protected’ cable gland.
Download the operating instructions
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