On 22th,March.2014,the gas loaded relief valve and orbit type rising stem ball valve which undertake by Zigong New Dipper Valve Co.,Ltd for “ oil and gas pipe key equipment localizing manufacturing project” had successfully passed the factory test. China National Energy Administration commissioned China Machinery Industry Federation,Science And Technology Management Department Of China National Petroleum Corporation,China Petroleum West Pipeline Co.,Ltd and PetroChina West East Gas Pipeline Company to organize the factory test,these four parties dispatched six experts to witness the factory test.
The witness expert members are:Zhang KeGang from Science And Technology Management Department Of China National Petroleum Corporation,Peng ReShe from PetroChina West East Gas Pipeline Company,Zhao XiaoFeng from China Petroleum West Pipeline Co.,Ltd,Gao Xiguang from Pipeline Company,Zhang Xin from Science Center,Song YinLi the secretary general from China General Machinery Industry Association Valve Branch,Liu Yang from Heifei General Machinery Research Institute, there has seven experts in total involved in the witness test.
Dipper Valve introduced to expert team their research and manufacturing work on these valves,the experts reviewed relevant product documents include:Product Research Report,Material SSC and HIC Performance Test Report,Product Test Report,Quality Inspection Report And Product Patent Document,Checked Dipper Valve manufacturing capability,tested gas loaded relief valve(10” Class400),orbit type rising stem ball valve (16” Class900,14” Class900). Experts highly appraised Dipper Valve big effort on gas loaded relief valve and orbit type rising stem ball valve researching and manufacturing,they unanimously verified that:the localizing manufacturing gas loaded relief valve and orbit type rising stem ball valve which manufactured by Zigong New Dipper Valve Co.,Ltd,are excellent in structure,the quality method are performed strictly and effectively,valve performance safety and reliability,meet the requirement of research agreement,technical specification and product test program,these valves are approved to delivery to field site for industrial field site test.