VSSJA (AF) cover expansion joints loose flange 
 Gongyi City Water Supply Equipment Factory http://www.jkgssb.com Jian-kun is a professional manufacturer of expansion joints. The main products are: limit expansion joints, flange expansion joints, expansion joints loose tube, double flange expansion joint, gland-type expansion joints, expansion joints loose tube nut, clamp-type flexible expansion joints, http:// www.jkgssb.com/Product-20110641.html Double flange limited telescopic joint, capping limit expansion joints. VSSJA (AF) flange loose set of expansion joints for one end of the flange, one end of the pipe bearing directly plug connection position, he is set loose in the gland-type expansion joints on the basis of improvements made, and there is a certain amount of displacement, http://www.jkssjt.com so that you can install the maintenance, installation size according to the site adjustments in the work, the axial thrust can be passed to the pipeline system also. This will not only improve efficiency, and cut the pump, valves and other pipeline equipment they play a protective role.