Rubber Pipe Joint Coupling

Our Square Flange Rubber Pipe Joint Coupling is made to connect square shape equipment ports. We use it on fans, pumps, compressors, and non-standard pipe upgrade projects. We have been doing this for over 20 years. This rubber pipe joint coupling connects directly with no adapter. It seals well and makes special pipe design simpler. We use EPDM or NBR high-elasticity rubber for the body. We use one-piece high-temperature vulcanization. We make square flanges based on your equipment port size. We do precision machining to get the fit right.

This thing works from -20℃ to 120℃. It handles pressures from PN6 to PN16. Each rubber pipe joint coupling gets a water test at 1.5 times the design pressure. We also do an air tightness test at 1.1 times. It connects directly to square equipment ports. This gives you fewer leak points. It takes in three-directional movement. It compensates for heat expansion and installation errors. It releases pipe stress. It protects equipment ports from damage and makes equipment last longer. It cuts vibration and noise very well. The seal surface fits tightly with no leaks for a long time. It goes in fast with no welding. We support any size, material, and pressure rating. Our factory is 10,000 square meters with 50 workers. We check every unit before shipping. We give a 24-month warranty.

Every equipment square port has different sizes. So you can change this rubber pipe joint coupling based on your drawings. Tell us your size, 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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