The level controller NRR 2-50 / NRR 2-51 in conjunction with
level electrodes NRG 2.-.. and level transmitter NRGT 26-1
is used as limit switch and water level controller, for instance
in steam boilers, (pressurized) hot-water installations as well
as condensate and feedwater tanks. The level controller
indicates when the preset water level limit MIN or MAX is
reached and opens or closes the control valve accordingly.
The level controller is designed to be used with level electrodes NRG 21-.. and NRG 26-21 as well as the level transmitter NRGT 26-1.
"Gestra NRR2-51" More Information
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