Twin Sphere Rubber Expansion Joint

Our Twin Sphere Rubber Expansion Joint gives you big movement take-up and high vibration cut. We use it in water supply, HVAC, fire systems, pump and fan ports, and city projects. We have been doing this for over 20 years. This twin sphere rubber expansion joint gives you double the movement take-up. It handles pressure better than single sphere ones. We use EPDM and NBR rubber with one-piece high-temperature vulcanization. We add a 304 stainless steelBooster Ring in the middle to stopTransformation. The flanges are hot-dip galvanized carbon steel or stainless steel.

This thing works from -20℃ to 130℃. It handles pressures from PN6 to PN16. Each twin sphere rubber expansion joint gets a water test at 1.5 times the design pressure. We also do an air tightness test at 1.1 times. The twin sphere design takes in larger Three-directional composite movement. It compensates for pipe stress and cuts vibration and noise. It protects pumps, valves, and instruments. The stainless steelBooster Ring boostsTransformation resistance and pressure handling. It seals well with no leaks for a long time. You do not need welding to put it in. It works for small sizes and tight spaces. Our standard sizes are in stock. We give a 24-month warranty.

Every pipe has different connection needs. So you can adjust this twin sphere rubber expansion joint to your needs. Tell us your pipe size, connection type, material, and pressure rating. Minimum order is 10 pieces. We give free samples. Custom samples take about 15 to 20 days. We take USD, EUR, GBP, and RMB. We offer a 24-month warranty.

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