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Gemini Gas Springs Inc.
1-6276 Pleasant Valley Road
P.O. Box 1023
Vernon B.C. V1T 6N2
Tel: +1 778 475-5611
 Fax: +1 877 554-6024




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The core parts of the adjustable systems are the pumps PA and PB. The flexible connections, which need only minimal space, as well as the possibility of attaching the pumps in any position even outside a system, gives the designer the possibility of installing the Ergoswiss-System in very thin or complex objects.

The pumps lift weights up to 1000 kg/450lbs quietly, and are step less and completely synchronous – even with an asymmetrical load. They are powered by an electric drive or a hand crank.

You have the choice of two pump types:

• Pump PA to control one or two cylinders with

a max. load of 300 kg/660lbs.

• Pump PB to control three to ten cylinders with

a max. load of 1,000 kg/2200lbs.


A reset force of at least 50 N (5 kg) per cylinder should be available to push the oil back into the pump during retraction (single acting system). The pumps and cylinders are connected by a hydraulic hose (Ø 4 mm). The max. hose length is 8 meter/26 feet. The minimal bending radius is 25 mm/ 0.98”. Three attachment holes are provided for the installation of the pumps. The pump housing is made of an extruded aluminum casing and is colorless anodized. The hand crank completely disappears under the table if it is folded together. The dowel pin that attaches the crank to the pump protects the pump from overloading. Crank radius 125 mm/4.92”. A detachable crank is also available.

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