Hangzhou Bright Rubber Plastic Product Co., Ltd. is one of the leading manufacturers and suppliers of high quality rubber washer in China. If you're going to buy high quality rubber washer made in China, welcome to get more information from our factory. We also accept customized orders.
Rubber washers are widely used for sealing of flanges. It is estimated that around 50 to 80% of all leaks in flanges are caused by insufficient bolt pre load. The bolts are usually all tightened to a given aim pre load. At this original pre load the bolt has a certain amount of stretch and the process fluid heats up the flange and gasket after some time causing them to expand more than the bolts. This leads to loosening of the grip. Flange Washers are effective because they add deflection to the fastening system. The use of flange washers has a positive impact overall on the performance of a live loaded flange joint.
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