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Brief introduction of FEIDA VALVE
Nov 8,2021
FEIDA VALVE is the top ranking China double offset butterfly valve manufacturer aslo a top ranking Stainless Steel Resilient Gate Valve manufacturer. The annual output of high performance butterfly valve and stainless steel soft seated gate valve is more than 100,000,000 set. The API 607 fire safe high performance butterfly valve is also in FEIDA VALVE product range. Our fire safe butter...
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Benefits of VPSA/PSA high performance butterfly valve in comparaison with a ball valve about VPSA/PSA generator
Sep 27,2021
Compare to ball valve, FEIDA VPSA/PSA butterfly valve is better than ball valve for sure. Please see the listed excellent feature following: 1. Long service life, open/close 1 million times 2. Super reliable sealing performance: bi-directional sealing zero bubble 3. Patent seat design 4. Vacuum service ability 5. Available fully rated to class 2500lb 6. Anti-clout device design 7. Fire-safe design...
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Is It Okay To Install The Butterfly Valve Upside Down?
Sep 6,2021
Butterfly valves are commonly used in many applications. This is due to the efficiency of the butterfly valves’ mechanism. There is an increase in demand when it comes to a butterfly valve. Currently, butterfly valves have become the first choice for many people in different working conditions. But when it comes to their installations there are a lot of people who do not understand or have little ...
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Metal seated vs resilient seated gate valves | Valve manufacturer
May 18,2021
Before the resilient seated gate valve was introduced to the market, gate valves with a metal seated wedge were widely used. The conical wedge design and angular sealing devices of a metal seated wedge require a depression in the valve bottom to ensure a tight closure. Herewith, sand and pebbles are embedded in the bore. The pipe system will never be completely free from impurities regardless of h...
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Difference Between Butterfly Valves and Gate Valves
Apr 13,2021
Difference Between Butterfly Valves and Gate Valves Gate valves As the name implies, the main function of a valve is as a gatekeeper. The gate is the main part of gate valves. A movable gate within the valve allows flow or blocks it. This movable gate is controlled by a mechanical assist such as a screw or lever, which lifts or lowers the gate within. Gate valves come in many shapes and sizes but ...
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Why is it called “butterfly valve”?
Mar 11,2021
Among all types of valves, there is a particular one with the most beautiful name—the butterfly valve. How did the name come from? In answering this question, we could use analogy. For example, the ball valve looks like a ball, so can we guess that the butterfly valve looks like a butterfly? Well, it seems a little funny, but I have to say: “Bingo, right answer!” The butterfly valve is a regulatin...
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Wafer butterfly valves are the more common of the two designs of butterfly valves | Feidavalve.com
Jan 25,2021
In addition to being easier to install, wafer butterfly valves are cheaper than the lug style. These two differ in a couple of senses. First, the lug butterfly valve design has threaded inserts and can be installed using nuts but no bolts whereas the wafer style requires nuts and bolts. Both are attached in conjunction with flanged butterfly valves, the centre piece bolted into where the piping me...
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Brief Introduction Of High Performance Butterfly Valve | Feidavalve.com
Jan 18,2021
High performance butterfly valves are usually made from metal like stainless steel or cast iron because they offer the most strength and durability against high pressure. They can range from less than a foot to more than a yard in diameter depending on the application. Different kinds of butterfly valves are used in different situations; triple offset butterfly valves, for example, are used for pi...
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Flow direction of Valve-Butterfly valve | Feidavalve.com
Oct 13,2020
A Butterfly valve is a quarter-turn rotational motion valve, that is used to stop, regulate, and start flow. A butterfly valve has a disc which is mounted on a rotating shaft. When the butterfly valve is fully closed, the disk completely blocks the line. When the butterfly valve is fully opened, the disc is at a right angle to the flow of gas or liquid. The butterfly valve consists of only four ma...
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Comparison of Butterfly Valves – Concentric butterfly valves, Double-offset butterfly valves, and Triple-offset butterfly valves
Aug 27,2020
The butterfly valve is a quarter-turn valve that can be used as an on-off valve or throttling valve. There are two types of butterfly valve, a concentric and an eccentric type. The eccentric type can be single, double, or triple-offset type. Even though it is possible to have a single-offset butterfly valve, but it is rarely found in the market. The most available in the market for an eccentric ty...
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