Overflow valve type 820  DN ^  pilot-controlled
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KVS-value/cv value ^   m3/h /U.S. GALL/min, temperature max ^   o
inlet pressure to be controlled ^       bar
flanges PN ^  acc to DIN ^
body PN ^     made of ^
seat made of ^       cone made of ^
control by piston with o-ring made of NBR
i n c l u d i n g  : ^
pilot valve type ^   G 1/2 made of CrNiMo-steel
throttle unit with integrated strainer
and throttle valves made of CrNiMo-steel
with internal tubing made of CrNiMo-steel
the control piping has to be fitted during installation