Main Feature：
The casing is made by casting aluminum alloy ,light and good-look.
Electrical motor is of non-under-oil structure,B grade or F grade insulation (according to customer's requirements)durable and good heat resistance.
Cover of junction box is tightly sealed.Cable stuffing box is adopted for inner wire,which is firm and reliable.Electrical protection of casing reaches IP55 grade.
The surface of motor axle and pusher is handled specially to mark the sealing parts much more durable.
Balancing air house is set at one side of oil cylinder casing which can make the thruster to be installed at any direction within rang of 0-180 degree and enlarge the using range.
All sealing parts and bearing of EB series are all world famous products.The sealing is reliable and durable.
Fastening parts of Ed series are made of stainless steel,good-look and durable.
2. Additional Option
Up limit switch,which can indicate whether brake is open,or whether the thruster is at the right position.
Down limit switch,which can indicate whether the brake is properly close,whether the thruster return to right position.Up and down limit switches can be set together.
Build-in spring or release spring only for short thruster)Spring force can be decided by customers,but within the force limit of built-in spring (refer to parameter tables).
Heater Customers can require heaters in the place where ambient temperature is below -25°c,Parameters of heater are attached (refer to Tab.1)
Up delay valve,down delay valve,Up/down delay valve,can prolong the lifting and falling time without limit,delay range from rated action time to 30 second,specific delay valve can be set as customers' requirements.
