Features Specifications:Sell rotating screw jack for solar panels equipment  (1).Model RN-0.5T,1T,2T,3T,5T,10T,15T,20T,30T,40T,50T,100T (2). configuration worm and gear,bearing,housing and lead /ball screw (3). Installation  1. Screw Rod Axially Traversing (Translating Screw): Screw rotating and axial motion  2. Screw+ Antiturn(Keyed Jack): Screw anti-rotation device and axial motion  3. Travelling Nut and Rotating Screw(Rotating Jack): Screw fixed rotating and Travelling Nut does axial motion  (4). screw rod ends standard top plate,threaded end,plain diameter end and clevis end (5). Characteristic Elevating, Lowering, Pulling, Pressing, Pushing,Rolling (6). Power source Manually(hand wheel), electrically(motor) (7). Feature 1.positioning precision, safely self-locking 2.Uniform lifting speed and fully synchronized 3.Particularly appearance,compact structure 4.Small size,easy installation,the use of flexible,power sources extensive,low noise,long life,security and environmental protection (8).Direction of lifting screw  1.Upright   2.Inverted (9).Attachment motor,hand wheel,reducers,Bellows,protective tube,bevel gearbox,Safety nut,frequency inverter,brake,clutch,trunnion base,limit/travel switches,coupling,link shafting (10). How to select the right screw jack on your request?What factors you must consider? 1.Model 2.Installation 3.Screw top ends 4.single/pair input power 5.Speed ratios 6.Stroke 7.Single or Multiple use 8.where is it used Example RN-3T - A - R - SB - 1/12 - 300 - P Model Installation Plain Diameter End Pair input power Ratio Stroke tube (11).Industry machinery,metallurgy,construction, irrigation, chemical industry, health care, culture, health and others industries