Hydraulic oil/ gear oil rotary union for Wind Turbine used for gear box lubrication system and hydraulic variable pitch system ML series rotary union uses the clearance seal, which has self-support and bearing support. It also has stationary sealing and float sealing as option, ourside is connected by flange. Due to the clearance seal, this series has gap which needs high requirements for media cleaness. We don’t recommend this series of rotary union when it applies to the hydraulic system which needs pressure maintaining. This series of rotary union has the demands of regular maintenance.
