On 16th,Jan.2014, the axial flow check 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 ten experts to witness the factory test.
The witness expert members are:Zhang KeGang from Science And Technology Management Department Of China National Petroleum Corporation,Liang LiLi from pipeline project,Lin HuiTian from pipeline engineering,Li XueZhen from Valve Association,Song ZhongRong from Heifei General Machinery Research Institute,Wu ChangHan from PetroChina West East Gas Pipeline Company,Chen YouYun and Dai PengFei from China Petroleum West Pipeline Co.,Ltd,Yang XiLiang And Zhang Xin from Science Center Of Pipeline Company,there has ten 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,Finite Element Analysis Report,Flow Field Simulate Calculation Report,Material SSC and HIC Performance Test Report,Product Test Report,Quality Inspection Report And Product Patent Document, checked Dipper Valve manufacturing capability,tested the 36” Class900,24” Class900 axial flow check valve. Checked the 40” Class900 axial flow check valve which manufacture by Dipper Valve and a batching of 28” Class900 axial flow check valve that Dipper Valve manufacture for 3rd west to east natural gas transmission project. The experts highly appraised Dipper Valve big efforts on axial flow check valve researching and manufacturing. The experts unanimously verified that:the localizing manufacturing axial flow check valve which manufactured by Zigong New Dipper Valve Co.,Ltd,with its patent technology and technical designing,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.