Pressure relays (PRD), low pressure relays (LPRD) and differential pressure relays (DPRD) are designed for switching of external electric circuits when pressure is reached.
electrical circuits when the pressure or differential pressure of the controlled medium reaches the preset value (set point).
Serviceability monitoring device (MPK-U) is designed for testing of CRD, CRMD, CRPD at temporary disconnection of the external cable
without relay depressurisation, as well as control of external electrical circuits integrity.
Number of switched circuits 2
Controlled working environments - air, nitrogen, fresh and sea water, diesel fuel, liquid oils, freon (refrigerant)..
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