Butterfly Valve Steel Threaded Directional with Plastic Handle

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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. Easy to stick scutcheon and cost saving.

 

3. Manual Wafer Butterfly Valve Images

 

Butterfly Valve Steel Threaded Directional with Plastic Handle

Butterfly Valve Steel Threaded Directional with Plastic Handle

 

4.Manual Wafer Butterfly Valve  Specification

 

Butterfly Valve Steel Threaded Directional with Plastic Handle

 

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.

 

3. What is the working principle of manual wafer butterfly valve?

 A: A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. The "butterfly" is a metal disc mounted on a rod. When the valve is closed, the disc is turned so that it completely blocks off the passageway. When the valve is fully open, the disc is rotated a quarter turn so that it allows an almost unrestricted passage of the fluid. The valve may also be opened incrementally to throttle flow.

 

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Q:How to suppress the valve?
Upstairs is right... But look at the situation, there are some valve flange is 16 pressure, but the body can only play 10 pressure, there are cases.. Such as knives, valves and other ventilation valve
Q:Why use the pump outlet valve to adjust the flow rate?
With the advantages of the pump outlet valve adjustment, 1, you can control the pump outlet pressure, 2, you can control the motor current is not more than the process conditions, 3, control motor power, to ensure the normal operation of the pump.
Q:What are the technical requirements of valves, such as "Z15W-25T"?
Z = gate valve1 = internal thread connection5 = dark rod type (structural form)W = body seal payments25 = 2.5MPa (nominal pressure)T = copper (body material)Landlord can refer to JB/T 308-2004 valve model preparation methods
Q:Suddenly no water at home, asked about the property,
That's a lie. Other people's homes do not necessarily have water.You need to keep on pressing the property.
Q:Is there any problem with connecting the geothermal valves with other geothermal pipes?
Yes, as long as it's all PPR's.Material is the same, the fuse will not cause shrinkage when you can use
Q:What's the valve as a unit?
Business now there are many valve manufacturers, with the rapid expansion of SMEs, SMEs are more ~!
Q:How to check if the gas valve is open?
The gas valve has a handle, and the handle is parallel to the pipe and is opened, and the vertical is closed. If there is no handle, there is a rectangular main handle on the valve, the principle is the same as above.
Q:What courses in the University involve valves?
Pressure vessel design, the valve is essentially a pressure to withstand the container. The valve can be understood fundamentally.
Q:Is the heat jacketed valve fitted with flanged flanges?
Insulation valve is the standard valve, just in order to ensure the link bolt flange to super space, usually a large ball than normal level, such as the use of the path is DN80 flange, flange is DN100, so is the standard, but the size of flange connecting with other valves are not the same.
Q:The water pipe in the house is broken.
In general, a unit has a total valve. From this start, find it, find a less water when passing the total valve home to change, more energy, save trouble later. Or find the person of the company to deal with tap water.

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