For special occasions, environmental requirements of double electrical automatic switching device (ATS) is necessary, the ATS can unmanned realize the mains (namely utility) and emergency power (namely genset) between the switch. When the mains power voltage or below the normal voltage, ATS will automatically at 0-10 seconds (adjustable) inside startup emergency generator, then will load from the mains electricity switch to the emergency power supply (genset), generator to load power supply. Conversely, when the mains are back to normal， then ATS will automatically load electricity from the emergency power on the switch to the mains, then automatically stop.
You Long Petroleum Machinery Spares ltd.(YOU LONG PETRO) engages in the export of the petroleum equipment and materials and provides materials and equipment for CNPC and SINOPEC’s overseas projects. Established in 2003,YOU LONG PETRO has started the manufacturing and supplying of petroleum materials and equipment since 2003.YOU LONG PETRO has provided its products and services to 36 countries and regions across the globe.YOU LONG PETRO’s export performance has come out top in central enterprises in successive years and it has been acknowledged as China’s largest supplier of petroleum and petrochemical materials，which is based on design,production,sale and technical service.Our products are completely interchangeable with the following enterprises.
The products are asfollows:
1、Drilling mud pump parts(Bomco, HH, Rongsheng, RJ etc.)
2、Oil drilling rig parts & Workover rig parts (RG, SJ,DFXK etc),
3、Parts for hydraulic disc brake (BPM,Boke,Bomco,RG)
4、ATDPush-plate clutch and parts & WCB2 Auxiliary brake parts.
5、ZQ Drill pipe power tongs and parts,TQ Series of casing power tongs and parts.
6、CB/LT series:Air tube clutch and parts.
7、Agent products such as: Bearings, Chains, Cardan shaft,V-belt,engine etc
Contact info
What’s app +8615972752793
Luben@youlongpetro.com
