Fum this series type fmh/fmhw rotary joints are available in sizes 3/8" to 4" are suitable for hot oil [fmhw], steam [fmh and fmhw] and water at low rpm. The major advantages of these joints manufactured by fourwents engineering company are; two bearings, housing bearing is locked to prevent rotation, seal ring is resistant to fraction even at high pressures and extremely easy to repair; housing is made of cast iron with sphereoidal graphite, diameters dn 125 and above as well as fmhwa made of steel; rotor made of chrome steel, rotor pipe for diameters dn 65 and above and fmehwa made of steel, etc.
