青云翻译

Roof tank equipped with spray pump regulator, a prepared and regulator diaphragm tank 1 (Ф800 effective volume of not less than 1501). Regulator dn80 placed in the front-end of the alarm valve (s).

Within the roof water tanks, spray regulators pumps, 2 sets of 1 with 1 and 1 regulator diaphragm tank (ф 800, effective volume not less than 150L). Zener diodes DN80 under alarm valve (Group) the preceding paragraph.

Between the roof water tank in supposes sprays steady press pump 2, 1 uses 1 to prepare with constant voltage mutual lack of understanding pot 1 (ф800, dischargeable capacity is not smaller than 150L).Stabilovolt DN80 puts in the warning valve (group) front the section.

Roof water tanks in the sprinkler jockey pump with 2, 1 and 1 backup regulator diaphragm tank 1a, 800 (Ф effective volume L) is not less than 150. Voltage regulator tube DN 80 built-in alarm check valve (the Group) before.

Within the roof water tanks, spray regulators pumps, 2 sets of 1 with 1 and 1 regulator diaphragm tank (ф 800, effective volume not less than 150L). Zener diodes DN80 under alarm valve (Group) the preceding paragraph.