Rex H-series rotary joint is a self supported unit designed specifically to run at higher machine speed and higher pressure and temperature than conventional self-supported joints with a minimum of downtime. The carbon or carbon filled PTFE seal under compression rather than tensile load provides higher strength and exceptional service life. Two wide spaced carbon bush bearings ensure absolute support. With two separate bush bearings, a greater contact area is maintained between the bushes and nipple. This means the H-Series joint has much greater radial support than single guide ring joints a difference that translates longer. These carbon guide bushes are locked into place with the joint housing by pins or keys. They are available in a full range of sizes from ½” to 10” in through flow, dual-flow with stationary syphon and dual-flow for rotating syphon services. Rex H-Series joints can be used with practically all media. They are particularly recommended for higher temperature up to 350 Degree Centrigrade. Hot Oil application or where severe thermal expansion is present. They are suitable for 510 PSI (35 Bar ) pressure and 6500F (350 Degree Centrigrade) temperature and maximum speed up to 200 rpm.
Greater joint stability : Two wide spaced carbon bush bearings for greater support, stability and longer wear. This cross sectional area allows greater stability and resistance to side loads.
Longer seal life : Large, improved seal under compression design provides long life. Plus greater joint stability reduces seal wear, leakage, and maintenance requirements.
Carbon bushes are secured against rotation by a fixing pins or keys. This prevents the spring from being damaged by a rotation bearing.
Simple locking fork on the end cover instead of lug on the body of joint as in the case of conventional joints design which are very complicated to install.