High vacuum transformer oil purifier is suitable for oil treatment, vacuum oil injection, and cyclic hot-oil drying in the installation and maintenance of big transformers.

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ZJA double stage transformer oil filter machine is mainly used in the power industry, power stations, power companies, metallurgy, chemical machinery, transportation, railways, and other industries. It is used to filter the oils such as transformer oil, and imported oil.

Spinshot Lite is our entry-level tennis ball machine.  It is the most portable & lightest tennis ball machine on the market.  It delivers constant shots in a straight line or in oscillation mode (for oscillation model), and you control the speed and rate of the balls.  It's powder-coated metal construction makes it very strong so it won't be damaged when hit by tennis balls. Speed Control Delivers balls up to 60 km per hour and with topspin.  The speed can be adjusted using the speed dial on the control panel. Feed Control The ball feed rate (the time between each ball) can be set between 2 - 10 seconds.  The feed rate can be adjusted using the feed dial on the control panel. How portable is the Lite machine? This is an extremely portable machine making it perfect for the novice to intermediate tennis players to take to their local court and practice repetitive shots to improve their game.   9kg for the power model10kg for the battery model  Dimensions: 40cm high, 25cm long & 25cm wide Towing wheels and a retractable handle are incorporated into the machine so you can put all your tennis equipment on the machine and tow them together. Demo Video      Battery or AC power - you choose! The tennis ball machine's battery can support up to 7 hours of play in a Lite machine. Simply charge overnight after each use and its ready to go. Battery and battery charger are included.  The smart design of the power cage and removal of the battery cover makes it extremely easy to upgrade your machine to an AC power module (sold separately). Ball Capacity The foldable ball hopper holds over 40 balls. Comparable Products The Spinshot Lite tennis ball machine provides similar functionality to competitor products such as the Lobster Elite Freedom machine.  The advantages of the Spinshot Lite machine when compared to Lobster Elite are as follows; Portability - Smaller machine dimensions providing a more transportable unit. Construction - The robust powder coated metal construction of the Spinshot Lite machine compared to a plastic product. Power - Spinshot Lite has the ability to incorporate an AC power module, in addition to the standard battery power system, this providing unlimited hours of play.   Cost -  Our Spinshot Lite machine offers a saving of up to 45% to achieve similar functionality