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07 February 2015

Sherwood Valves Have A Proven Record Of Offering Reliability

By Beryl Dalton


Quality must be imperative in everything you do or buy. One company that has been around for many years and guarantees that their products are of the highest standards are Sherwood Valves. They have the very latest in robotic machine tools as well as cell technology. All of their equipment is in tip top condition and is inspected regularly.

Eleven years later they then merged with Taylor Wharton Gas Equipment and are still today a part of the Taylor Wharton LLC. Taylor Wharton is now updating their 2009 logo which has presented itself for more than eighty years of international brand fairness. The new one will still maintain their association to heritage and modern flare but now with culture included as well.

The butterfly valve has a closing device that looks very much like a disc. They are used for quick shut off and are much lower in cost compared to the other larger valves. They are much lighter which means less support needed to hold them up. It is only a metal disc that is fixed to a rod and it does quarter turns when shutting off or opening the flow.

A very simple valve that is rather old is the check valve. It has a flap that moves down to stop the fluid from flowing in a certain direction and is pushed open by the flow in the opposite direction. They have two openings and are still very common in household items. These are all automatic and inexpensive to buy. They can either be made by metal or plastic.

The 5074 series is explicitly made for all pure gas applications as well as purity gases, or even UHP mixtures. As it has a resistant pin this helps avert seat extrusion and the flow of its polymeric seat as well. Each one is available with a separate pressure relief apparatus which will protect it from getting damaged during replacement and transportation. They come in either pointed, straight thread as well as the international series any other ones will need to be requested.

The Diving regulator is used for scuba diving and it reduces pressurized gas to ambient pressure. The gas is stored in a cylinder that is attached to the back of the diver via a hose. It can have more than one valve which helps to control the pressure being delivered. A demand valve is also used and is held in the mouth by a mouthpiece.

The disc that restricts flow through the valve can come in many different shapes. Depending on the type they can either move linearly or rotate on the stem or trunnion. The seat is connected to the disc and helps to form a leak proof seal. There can be either a hard or soft seat but all hard seats are known to leak. The soft seats are all made with softer materials depending on the functioning temperature.

The valves are all made to regulations and standards and each one has a certain code that is maintained. If there is no code attached there are even tighter controls added. All specialized gas products used in the medical industry are thoroughly cleaned and assembled in a very controlled and clean environment.




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