1, the test must be carried out after completion of the waterway construction 24H;
2, before the hydrostatic test pipeline must be fixed, the connector exposed Lu, shall not be hidden, the end of the wire must be sealed;
3, the pressure can be manually test pump, pressure time not less than 10Min, instrument accuracy should be 0.05Mpa
4, After the pipe is filled with water, the air in the pipe should be discharged first to check the watertightness.
5, pressurized to the prescribed test pressure value, the regulator 1H, observe whether leakage phenomenon joints; 1H after the pressure to the prescribed pressure test value, 15Min minute pressure drop does not exceed 0.05Mpa qualified; Note: The provisions of the test pressure is usually tap water pressure (3.5Mpa or so) of 1.5 times, and not less than 0.6Mpa, it is recommended 0.8Mpa, that is, 8KG.
Deso Holding group is specialized in PPR system for cold and hot water supplying, PVC drainage pipes and fittings system, PVC electrical pipes, plastic electric wires since 2004.
Deso is builded up of an industrial zone in Yueqing city, ZheJiang provience, which covers 20000 square meters. Now we have about 50 sets of extruding machines, injection machines and other machines for PPR pipe system and PVC pipe system. And there are more than 150 employees in our factory.
The products are made according to ISO standards. Deso passed the SGS ISO9001 internatial management conformity and ISO14000, AENOR(ISO15874) certificate, CE, CCC, MA Test Report etc certificates
Deso has received the trust from all the clients from Europe, Mid - East, Southeast Asia, North Africa, Australian, South Korea, etc we 'd like to cooperate with new and old customer to build up spendid future .
ZEHJIANG NEW BUILDING MATERIAL CO., LTD
Add: NO.121 JinSan Road Yueqing Economic Development Zone Zhejiang ，China
Contact us: jian zhao