Description
Electronic unit for the generation of periodic pulses to
initiate a blowdown cycle via the GESTRA rapid-action
intermittent blowdown valve type MPA 46 or 47, i.e.
automation of intermittent boiler blowdown. Equipment for
steam boilers to TRD 401, section 6.4.
The programme-controlled blowdown system consists of
an electronic cycling timer, a three-way solenoid valve and
a strainer.
The equipment meets the German regulations for use in
steam-boiler plants operating without constant supervision
or with limited supervision (TRD 602 and TRD 604, sheet 1).