FLANGES

our company can produce different kinds of high pressure self-tightening flange ZY-LOC with diameters from DN15 to DN600, pressure from PN10MPa to PN90MPa and temperatures from -50C to 600C. Through the comprehensive examination by Guangzhou National Examination Center of CNPC and the Western Sichuan Mechanical High-pressure Examination Center of Aviation Industry Ministry, it is proved that each performance index is higher far above the designed target data of the beginning, and during the experiment in the urea installment and the synthetic ammonia installment for nearly six years, ZY-LOC appeared reliable very much. It has been succeessly used in the inner Mongolia GTL Project of China Shenhua by SINOPEC SEI, and was awarded the honorary title of “National Product Partner” and “Outstanding Supplier” by China Shenhua Group in December 2008,