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China zhengzhou Mason Double Sphere Flexible Rubber Expansion Joints are designed to absorb movements and stress on piping systems, Double Sphere Flexible Rubber Expansion Joints' connecting distance is relatively large.Compared with the Single Sphere Flexible Rubber Expansion Joints,the maximum pressure which He can withstand is smaller than Single Sphere Joint. But, in the middle part of the rubber joint is pressurized ring. Each layer is impregnated with a rubber or synthetic compound. This allows movement and flexibility between the layers of fabricEmail; masonhn @126.com
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Zhengzhou Mason Pipe Fittings Co., Ltd.
