- Country of manufactureBelarus
The automatic machine of control of tightness of shutoff valves DZhD-1 (further - AKG) is intended for check of tightness of shutoff valves of the gas-fired boilers equipped with safety automatic equipment. It is based on the industrial MITSUBISHI controller. The main gate-type valve and group of valves after the main shut-off valve is checked for tightness.
Reductions and symbols:
V1 - the first on the gas course the valve;
V2 - the second for the gas course the valve (or group of valves, including Vs, V3, V4);
V3 - the electromagnetic valve of small burning (in the presence);
V4 - the electromagnetic valve of the pilot light (in the presence);
Vs - the electromagnetic valve of a candle of safety;
Pe - connecting pressure;
Д - the sensor relay of pressure of the tested volume.
AKG is made in a climatic modification of UHL 4.2 in accordance with GOST 15150.
AKG should be operated at an ambient air temperature from plus 1 to plus 40 C and relative air humidity to 80%.
Example of record of designation AKG at the order:
Automatic machine of control of tightness of shutoff valves DZhD-1 TU BY400011272.036-2008.