Excellent performance-- new type coupling bolt series, scientific structure, simple disassembly/assembly operation, close positioning accuracy with positioning holes, non-sticky, and can be reused, greatly reducing the failure rate, labor intensity and maintenance costs, improving the efficiency of unit maintenance, shortening the maintenance time.
Structure: Special bolts with outer cone, expansion sleeve with inner cone, two special nuts and locking rings.
Main materials: 40CrNiMoA、34CrNi3Mo、34CrNiMo6
It is applicable to the coupling connection of high and medium pressure, low and medium pressure, low pressure of steam turbine and generator side and all couplings.
GE, Alstom, Siemens, Harbin Turbine Company Limited, Beijing BEIZHONG Steam Turbine Generator Co., Ltd.