Single sphere rubber expansion joint( single sphere rubber joint) generally refers to a rubber joint with a single rubber sphere structure. It's mainly used in pipelines in order to reduce vibration, decrease noise. It has good flexibility and is easy to use.

Expansion Joint, Single Sphere Dimensions
DNLbndDAxial   DisplacementLateral DisplacementAngle of   Deflection
150LBPN16150LBPN16150LBPN16150LBPN16StretchCompressiona1+a2
329516164415.71888.910069915°
409516164415.71898.6110610915°
5010518184419.118120.71257101015°
6511518184419.118139.71457131115°
8013520204819.118152.41608151215°
10015020208819.118190.518010191315°
12516522228822.418215.921012191315°
15018022228822.423241.324012201415°
200210242481222.423298.529516252215°
2502302628121225.42736235516252215°
3002452828121225.427431.841016252215°
3502553030121628.427476.347016252215°
4002553232161628.430539.852516252215°
5002553436202031.83363565016252215°
6002603638202035.136749.377016252215°
Expansion Joint, Single Sphere VS Expansion Joint, Twin Sphere
1. Material (Similarity):
both flange material of expansion joint single sphere and twin sphere can be carbon steel & stainless steel,both rubber material can be Neoprene.EPDM,NBR.

2. Pressure (Similarity):
both pressure of expansion joint single sphere and twin sphere are Class150,PN10/16,JIS 10K/16K

3. Range of Applications (Similarity):
Standard: DIN PN/PN16, ANSI 150LBS, JIS 10K/16K.

Size: 1 1/4"-120" (DN32-DN3000)

Material of Rubber: Neoprene, EPDM, NBR.

4. Installation (Similarity and Difference):
the structure of single sphere expansion joint is basically the same as that of the twin sphere, all of them are connected by bolts. The installation length of single sphere rubber joint is shorter than that of twin sphere.

Expansion Joint, Single Sphere FAQs
1.What Is the Purpose of Rubber Expansion Joints?

Rubber expansion joints are designed to reduce vibration and dampen sound transmission. They are also designed to take the following movements: Compression, Extension, Angular, Torsional and Lateral.

2.What Is the Material Available for Rubber Expansion Joints?

Hebei Leading Metals & Piping Industries Co., Ltd. Is a global market-oriented company. Our business is helping our customers with their flow control requirements. Our product lines consist of butterfly valves and flanges. 

Now the price of wafer butterfly valves is affordable, if you have needs, please contact us.