• Butterfly Valve Stainless Steel Threaded Directional on Hot Sale Made in China System 1
  • Butterfly Valve Stainless Steel Threaded Directional on Hot Sale Made in China System 2
  • Butterfly Valve Stainless Steel Threaded Directional on Hot Sale Made in China System 3
  • Butterfly Valve Stainless Steel Threaded Directional on Hot Sale Made in China System 4
Butterfly Valve Stainless Steel Threaded Directional on Hot Sale Made in China

Butterfly Valve Stainless Steel Threaded Directional on Hot Sale Made in China

Ref Price:
$50.00 - 3,000.00 / pc get latest price
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
100 pc
Supply Capability:
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. Easy to stick scutcheon and cost saving.

 

3. Manual Wafer Butterfly Valve Images

 

Butterfly Valve Stainless Steel Threaded Directional on Hot Sale Made in China

Butterfly Valve Stainless Steel Threaded Directional on Hot Sale Made in China

 

4.Manual Wafer Butterfly Valve  Specification

 

 

Butterfly Valve Stainless Steel Threaded Directional on Hot Sale Made in China 

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.

 

Q: Standard and specification for pressure test of valves
Welcome to Beijing Shan'er pipeline control components Co. Ltd. consulting
Q: What do the Z, J, H and D represent in the valve type?
:Austenitic stainless steel, copper alloy, plastic, rubber, nylon plastics, fluorine plastic, Cr stainless steel, hard alloy, rubber lining, Monel alloy, valve body material
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 does the PN on the valve mean?
1, mark "ON25" and "PN16" respectively what does that mean? 2, the valve above has an outer six corners, so PN16 refers to the nominal pressure of 16 kg valve. Valves on the fittings are standard parts, special
Q: Is the valve galvanized?
Butterfly valve gate, some hot-dip galvanized, and other valves are not.
Q: The valve is rusty and can not be opened. What shall I do?
Remove the handle and lever the stem rotation with a wrench,
Q: Where is the valve used?
Generally in the pipeline above, such as the government to improve people's livelihood, engineering, factories and so on the pipeline above, Wenzhou essence valve factory
Q: What are the production equipment in valve shop?
Gold processing equipment, such as cars, milling, drilling, grinding, slotting machines with little,Special equipment, welding machine, test press, grinding machine, painting line, shot blasting machineAuxiliary equipment, air compressor, grinder,
Q: What is a heavy body valve?
To put it plainly is the question of weight... This is to the wall thickness and weight, specifically on what to use
Q: How are the types of valves classified?
In addition to the cylinder or hydraulic cylinder piston to drive, but also the use of pneumatic film driven, because of its small stroke and driving force, it is mainly used for regulating valves.Manual valveThe manual valve is the most basic way of driving the valve. The utility model comprises a hand wheel, a handle or a plate hand, and is driven directly and driven by a transmission mechanism two kinds. When the starting torque of the valve is large, it can be driven by gear or worm gear to achieve the purpose of omitting. Gear drive, spur gear drive and bevel gear drive. Gear reduction ratio is small, suitable for gate valve and stop valve, worm gear drive is relatively slow, suitable for cock flashing, ball valve and butterfly valve

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