What Is A Gas Lift Chair

Gas lift bar stools work in a similar way to the gas lift action on height adjustable chairs.

What is a gas lift chair.

If you have a gas cylinder that ceases to work correctly you ll find that you are slowly sinking while sitting in your home office chair. The gas lift mandrel is a device installed in the tubing string of a gas lift well onto which or into which a gas lift valve is fitted. The gas cylinder also referred to as the gas lift or pneumatic cylinder causes some of the most common chair problems. The purpose of the gas lift is to make it easier to alter the height on the bar stool so people don t have to do it manually every time.

This contains two chambers. Watch this how to video. The gas injected is high pressure gas by adding bubbles of compressed air and vapor. Instead it typically has a lever attached that grips and locks at a certain height preventing the seat from moving up or down any further.

In a conventional gas lift mandrel a gas lift valve is installed as the tubing is placed in the well. A 4 inch stroke gas cylinder means that your chair can be adjusted 4 inches up from its lowest position. We take apart a gas cylinder for an office chair to look inside uploaded by http longlifelocks ca. The top end of the gas spring holds the actuator or the button that once pressed lowers or raises the chair.

Thus to replace or repair the valve the tubing string must be pulled. This acts to lower the hydrostatic pressure at the bottom of the tubing reducing its density. The gas spring is what holds the pressurized nitrogen gas and some oil for lubrication. In most chairs the spring doesn t actually support the person s weight.

A standard office chair gas cylinder basically has two parts. There are two common types of mandrels. One so that compressed gas can get. A gas lift chair is a form of office chair that allows the user to modify their height in relation to the height of a desk leading to an increase in comfort and ergonomic benefit.

Order replacement cylinders from https www myc. The top part is called a gas spring and has a diameter of 28 mm or 1 1 inches. For a gas lift office chair you need the spring to provide a little bit more force than the weight of the seat. Our recommendation is this 5 stroke gas cylinder by oak leaf.

Some of the most common reasons for this happening include. It is a high quality gas cylinder that can hold up to 450lb of weight and fits most office chairs. A patent describing a common configuration of a gas lift cylinder by john wang published 20 may 1989. Gas lifts use the artificial lift method by injecting gas into the production tubing to raise water or oil.

It works through a cylinder inside the bar stool.