Butterfly Valve with Plastic Handle Made in China on Hot Sale
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- 10000 pc/month
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1. Manual Wafer Butterfly Valve Description：
A butterfly valve is a valve which can be used for isolating or regulating flow.
The closing mechanism takes the form of a disk.
Operation is similar to that of a ball valve, which allows for quick shut off.
Butterfly valves are generally favored because they are lower in cost to other valve designs as well as being lighter in weight, meaning less support is required.
The disc is positioned in the center of the pipe, passing through the disc is a rod connected to an actuator on the outside of the valve.
Rotating the actuator turns the disc either parallel or perpendicular to the flow.
Unlike a ball valve, the disc is always present within the flow, therefore a pressure drop is always induced in the flow, regardless of valve position.
2.Main Features of the Manual Wafer Butterfly Valve
a) Cast hole. Flange connection meet ANSI 125/150# DIN PN10/16 BS4504 PN10/16 in the meanwhile.
b) Soft seat. Replaceable. Increase of service life.
c) Double half shaft without pin.
d) Square and short neck.
e) Easy to stick scutcheon and cost saving.
3. Manual Wafer Butterfly Valve Images：
4.Manual Wafer Butterfly Valve Specification：
5.FAQ
1) What is manual wafer butterfly valve?
A: Wafer style is the more common of the two and is less expensive than the lug style. The wafer style butterfly valve is just about the standard. It ís so common that no one even bothers to use the word "wafer" when ordering a butterfly valve. It is taken for granted that if a butterfly valve is ordered, a wafer style will be received.
2) How about the Installation of the Wafer Style Butterfly Valve?
A: Butterfly valves are installed by inserting the valve between two flanges using bolts or studs and nuts to hold it all together. This type of installation, of course, makes it impossible to disconnect just one side of the piping system from the valve. That benefit is received using the lug style valve.
- Q:What does 3/4''mean in the name of the valve?
- 3/4''is the valve diameter, said 20MM, inches, equivalent to DN20 of the valve, is also said to be the 6 interface we say old foreman
- Q:What's the difference between valves and valves without valves?
- The difference between a valve with and without a valve is that it has the advantage of having the valve exhaust. The advantage of the valve is that it can control the amount of exhaust and prevent the discharge of other fluids.Valve (Famen) is a control component in the fluid delivery system. It has the functions of closing, adjusting, guiding, preventing reverse flow, stabilizing voltage, shunting or overflow and releasing pressure.Valves used in fluid control systems, from the simplest stop valve to a very complex automatic control system used in a variety of valves, a wide range of varieties and specifications. Valves can be used to control air, water, steam, a variety of corrosive media, mud, oil, liquid metal and radioactive media and other types of fluid flow. The valve according to the material is divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316), chrome molybdenum steel, chromium molybdenum vanadium steel valves, valve, dual phase steel valves, plastic valves, non-standard customized valve material etc..
- Q:What's the meaning of the "single valve"?
- So called" screwed joint"Valve single order, refers to the valve with a live joint, is a more convenient valve assembly and disassembly.
- Q:I would like to ask how the valve entry, for a new pair, really difficult, what cutaway view, there are other, just contact the valve less than a week, and sometimes it is really difficult to understand. Forget the experienced teacher can be generous with your criticism to later, indebted forever, learn the valve Comrades some help.In a company CAD to relatives as soon as possible to a company, and then slowly improve, I do not know what is the request of the novice, and how to start as soon as possible, I am learning routine is: give me a set of valve design drawings, and then I paint it on, do not understand the structure and workshop look. I wonder if you have any good learning methods that can be referred to and supplemented by younger brother
- I was about 08 years of contact valve, indeed many, but a company, all products will not have, are designed to do certain types of valves, such as for HVAC, or petrochemical, some other valves used in engineering, will do the purchase, so you only according to the company's products study on the line, need to learn what, what, high efficiency.If you do the design, you have to learn a lot of things: "mechanical design manual" and "valve design manual" is essential, often used;Of course, functional things are the basis, that is, the structure, the work principle must be obtained first, in order to do relevant design and improvement;First of all, the structure design, CAD must learn, three-dimensional software also have to learn one, Solidworks, Peo/E, UG, Catia can be;Second, strength analysis is necessary, so in mathematics, mechanics, mechanical design things to learn solid; can make strength analysis with finite element analysis software, need to learn, software Comosworks, Ansys;Third, the valve design will have fluid aspects, flow design, flow capacity, flow characteristics of the study, to study fluid mechanics, heat transfer, etc., CFD software has Fluent, Ansys, CFX, Star-CD;In addition, materials and technical aspects should be learned.Slowly, I also step by step by side with coming.Hope to be of help to you.
- Q:What is the normal temperature on the valve?
- At normal temperatures are below 120 degrees. A lot of valve sealing surface can only reach 120 degrees
- Q:What is the choice of pneumatic valve or electric valve for ultrafiltration inlet control valve?
- Now the UF system is basically full automatic system, that is to choose automatic valve. As for the pneumatic valve or electric valve, depending on your investment and the scene.
- Q:What does "1/2" mean on the valve?
- Indicates that the ends of the valve are 1/2 inches in diameter. 1 inches is converted to metric system of 25.4 millimeters.
- Q:How big valves are used in the DN90 pipeline?
- DN is the nominal diameter, only DN80, DN100.It is estimated that your pipe is outside diameter 89mm, that is DN80, that is to choose DN80 valve.
- Q:What is the valve?
- valveDefinition of scientific and technical termsValveEnglish Name: valvevalveValve is a control component in the fluid delivery system. It has the functions of closing, adjusting, guiding, preventing reverse flow, stabilizing voltage, shunting or overflow and releasing pressure. Valves used in fluid control systems, from the simplest stop valve to a very complex automatic control system used in a variety of valves, a wide range of varieties and specifications. Valves can be used to control air, water, steam, a variety of corrosive media, mud, oil, liquid metal and radioactive media and other types of fluid flow.Definition 1: a device used to control flow in a pipe.Subject: electricity (first level discipline); hydraulic construction (two disciplines)Definition 2: equipment installed in a pressure pipe to control the flow of water.Subject: Water Conservancy Science and Technology (first level discipline); hydraulic construction (two disciplines); gate and hoist (three disciplines)Valve historyThe valve is produced with the flow of the pipe. Human valves have been used for nearly 4000 years. In ancient China from the brine well absorb salt brine, once in a bamboo pipe used in cork valve. In the 1800 BC, the ancient Egyptians used similar wooden cocks to control the distribution of water to build large water conservancy projects to prevent the Nile from overflowing. These are the embryonic form of the valve. The extensive use of industrial valves began only after Watt invented the steam engine. In the early twentieth Century, there were valves of cast steel, wrought steel and forged welded joints.
- Q:What is the purpose of the valve?
- 3. Change the direction of the medium flow in the pipeline. Such as the distribution of valves, three way cock, three or four ball valve etc..4, stop the medium back flow in the pipeline. A variety of different structures such as check valve, valve etc..5, separation medium. Such as different structures of steam traps, air traps and so on.
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Butterfly Valve with Plastic Handle Made in China on Hot Sale
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 10000 pc/month
OKorder Service Pledge
OKorder Financial Service
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