Inner ring of carbon chromium steel, hardened and phosphated, sliding surface treated with MoS2. Bearings of the 2RS design are fitted with seals at both sides.
With a slim profile, this product is designed to use in the small windows or even the conceal installation. Very quiet operation makes it ideal for day to day ventilation. It is extensively used in natural ventilation or light weight roof-light.
YOXVIIZ various crane fluid coupler and principle fluid coupling YOX VIIZ Type Structural Drawing and Main Technical Date: (YOX YZ the same stracture type) Transmission form XI: 1.Holding Disc 2.Longer Delay chamber 3.Outer wheel 4.Inner wheel 5.Shell 6.C