Daily Archives: November 28, 2016

Gate Valves and Different Types of Industrial Valves

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When we look at piping and pumping systems externally, we generally see the set up as a whole rather than looking at its many working components individually. But there’s that one part that plays a very crucial role. They are the valves. They act like tiny knobs regulating the flow of fluids as well as cutting off supply completely if required.

 

Industrial valves are of varied types, with each based on a different working principle and performing a different function. Right here, we’ve discussed the 9 most common types of industrial valves.

 

  1. Ball Valve – It is a hollowed out ball-shaped disk that is fitted inside a pipe. The valve starts and stops flow by the quarter turn rotational motion of this disk. When the valve is open the hollowed end is aligned in the direction of the flow and closed it sits perpendicular to the direction of the flow.

 

  1. Plug Valve – Also called cock valve, it uses a cylindrical or tapered plug with a bored passage to block, start or throttle flow. Turning the handle or wheel, arranges the hollow opening of the plug with the inlet and outlet ports opening the passage. It is blocked, when the solid part aligns itself with ports.

 

  1. Butterfly Valve – It’s yet another valve that uses the rotational motion; ball and plug valves work in the same way. It only uses a thin-disk in the flow path instead of a ball-shaped unit or a cylindrical plug. They are quick to use, extremely lightweight and easily adaptable.

 

  1. Gate Valve – This is the type of valve used in a tap. Opening and closing the valve involves raising and lowering metal gates respectively. A wedge is inserted into a seat. With gate valves, the passageway can either be fully closed or fully open; there is no in between. They are also called sluice valves.

 

  1. Globe Valve – It is similar to a gate valve in that it uses linear motion to throttle flow. It differs in its use of a disk instead of a wedge. It can also be adjusted to lower or increase flow; the advantage of a globe valve is that it does not leak as much as other valves. They are also among the most popular type of valves used across various applications.

 

  1. Pinch Valve – The construction features a pinching mechanism and a sleeve of molded rubber or synthetic material. The flow path in the open position is unobstructed. The flow is cut off by pinching the flexible membrane, by lowering a bar or gate.

 

  1. Diaphragm Valve – They work similar to pinch valves; a flexible diaphragm is inserted such that it fastens itself to the seat blocking the flow. Its advantage over pinch valves is that it creates an extremely tight seal and hence is used in applications that have a high purity requirement.

 

  1. Relief and Safety Valve – As fluids pass through the system, there is a possibility of an unprecedented increase in pressure, which if unchecked could prove hazardous. This applies especially if you are dealing with hazardous fluids. Relief and safety vales release pressure periodically, whenever it goes beyond the set point, to prevent damage.

 

  1. Check Valve – Check valves allow for unidirectional flow of fluids; they do not allow it to flow back. The non-slam nozzle check valves check pressure surge and prevent water hammer.

 

To ensure the valves fitted in your piping systems give you the best service, you should buy them from a reliable industrial valve manufacturer. It is the only way to get high quality industrial valves that are built to last.

 

Established in 1997, NICO Valves Corp. is a professional industrial valve manufacturer. We provide the widest kinds and full specification of valves. If you need more information about gate valve or other valve series, welcome to visit our website and feel free to contact NICO.

 

Article Source: http://EzineArticles.com/expert/Jovia_A._D’Souza/1830188

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Anti Glare Film and Its Number One Function

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An anti glare film is actually a shield which covers the screen of an electronic device to protect it and reduce glare so that the operator can make use of it much more comfortably. A variety of companies manufacture screen protection products which can handle glare, which includes bright sunlight and severe overhead office lighting. These products vary in style, which includes temporary screen protectors and more permanent shielding that’s meant to last for the life of the particular device. These types of products are frequently available in hardware and electronics stores.

 

What’s the function of a screen protector? With a touch screen phone like an iPhone being such a huge investment you want to make sure that it’s protected as much as possible, although most people don’t realize that you can buy protectors for the iPhone. The screen protectors for the iPhone are meant to keep the screen from being marked, chipped, or damaged from daily use while being so comfortable that you will not even realize that it is there. They are created out of a paper thin clear plastic material that won’t affect the normal use of your iPhone.

 

Anti glare films are designed to diffuse sunlight or unnatural light so your shiny screen does not reflect light back into your eyes. Such screen protectors will often appear with a matt or frosty finish and under a microscope will contain small lines. Their key purpose is to make sure your screen is viewable or readable in direct light, but they also have the extra bonus of decreasing fingerprints and also smudges to some extent. On the negative aspect, the matte finish can look a bit fuzzy and can also decrease the clarity of your screen slightly. Likewise, these protectors are usually a little bit thicker than other ones and the surface could be a little rough, meaning your finger will not slide as easily on the screen. If, nevertheless, you use your phone outdoors the majority of the time, then these types of protectors would be your very best choice.

 

Besides an anti-glare film are mirror screen protectors. Mirror protectors are made to turn your phone screen into a mirror whenever the screen is not lit up – ideal for rapidly checking your hair or makeup when out and about. The downside is that they can create a considerable amount of glare and can mean the colors of your screen may not be as bright as they should be. They’re more suitable for those who use their phone primarily for calling or sending text messages. When you look at pictures or watch videos with a mirror protector, they can be slightly more difficult to see, depending upon the light conditions.

 

A few companies create products like an anti-glare film that has a custom fit for certain devices like certain models of cell phones. Consumers also can purchase a flat sheet and then cut it to size. It is very important measure very carefully, as a screen protector that doesn’t fit can produce a lip. The lip might attract debris and dust and cause it to stick to the screen. Consumers should also be informed that thinner anti-glare films tend to be more prone to ripping away from the screen with longer use.

 

The anti glare film is now considered an absolute necessity for individuals who own a touch screen gadget. This is a method of guarding their beloved gadget from any damage, marks, or cracks. Also, the LCD protector is a good investment to make your mobile phones and other gadgets last a little longer.

 

If you need further details about anti-glare film, welcome to visit PROCHASE’s website. We are the expert of manufacturing protective films. Do not hesitate to contact us for more information!

 

Article Source: http://EzineArticles.com/expert/Russ_T_Williams/1225927

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