-
Butterfly Valves – An Economical Choice - High Performance Butterfly Valve
Apr 15,2022
Butterfly valves are a great (and less expensive) alternative to globe and other control valves in applications where 1-2% accuracy is acceptable. Process conditions will dictate whether a resilient seated or high performance butterfly valve should be selected. A resilient seated butterfly valve is the most economical choice. If pressures and temperatures are not extreme, this type of valve should...
-
An Overview of Butterfly Valves
Jan 21,2022
HIGH PERFORMANCE BUTTERFLY VALVE (also called double offset) have two offsets: The first offset of stem is off center to or behind the disc seating face, followed by the second offset, which shifts the stem off centerline of the pipeline. This double offset creates camming action, moving the disc away from the seat rather than across it, reducing rubbing between the disc and seat as seen in concen...
-
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...
-
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...
-
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 ...
-
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...
-
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 ...
-
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...
-
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...
-
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...
English
中文