Butterfly Valve DN300 BS5163 with Hand Wheel Ductile Iron

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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 DN300 BS5163 with Hand Wheel Ductile Iron

Butterfly Valve DN300 BS5163 with Hand Wheel Ductile Iron


4.Manual Wafer Butterfly Valve  Specification

 Butterfly Valve DN300 BS5163 with Hand Wheel Ductile Iron

1)Size: DN40-DN1400 
2)Material:body-CI/DI/WCB/SS 
disc:DI/CF8/CF8M/C95400 
3)Professional Maufacturer for more than 10 years

PRESENTATION:

1) Sizes:

 DN40mm-DN1400mm

2) Materials:
a) Body: CI(cast iron ,GG25 )/ DI (ductile iron ,GGG40)

b) Disc:  DI / CF8 / CF8M / C95400 
c) Seat:  EPDM / NBR / TEFLON / VITON

 

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:What kinds of butterfly valves are available? What is the working principle of butterfly valves?
At work temperature:(1) high temperature. T>450 degrees C butterfly valve.(2) medium temperature butterfly valve. 120 C
Q:Why anti condensation of aluminum alloy anti condensation butterfly valve?
High performance materials have a lot of outstanding advantages: such as low water absorption, corrosion resistance, insulation, cold insulation performance, etc., is 4 times the ordinary material butterfly valve.Anti condensation butterfly valve body adopts ultra light aluminum alloy valve body, its weight is only 1/3 of the traditional butterfly valve, the torque is small, the use and installation is convenient, and the corrosion is avoided.
Q:Water supply pipe gate valve and butterfly valve which good?
Butterfly valve is relatively applicable1 electric butterfly valve 0-90 degree rotation angle stroke valve, specific flow characteristics, small size, high performance price ratio2, electric valve up and down movement of the straight stroke control method, can be used as shut-off valve, large size, expensive3, electric butterfly valve can not be used for high temperature and high pressure conditions, not wear-resistant. Electric gate valve is generally used to close the material with a grain of material, suitable for high temperature and high pressure conditionsOur company specializes in the production of various types of valves, there is a need to help me, I would like to help
Q:What does "D41X-16" mean?
There are many kinds of valves, so each valve has a specific model. Butterfly valve D41X-16 code D refers to the butterfly valve, 4 refers to the connection form is flange, 1 refers to the drive mode is manual, X is the valve sealing ring material is rubber, 16 refers to pressure, 16 kg. Valve model is composed of seven elements: valve type, connection form, drive mode, structure, sealing ring material, nominal pressure, material. You can ask me if you don't understand. Dual valve []
Q:What is an electric two position butterfly valve?
Electric double position butterfly valve belongs to a kind of electric valve and electric control valve. Double eccentric flanged butterfly valve, compact, the product can be used as pipe system shut-off valve, control valve and check valve. With manual control device, once the power failure occurs, you can temporarily manually operated, and will not affect the use. 90 degree rotary switch is easy, reliable and long service life. It is widely used in water supply, power plants, steel mills, paper making, chemical, catering and other systems for water supply, as a regulation and cut-off use.
Q:Does the wet alarm valve group need to install the signal butterfly valve?
two is the sprinkler system is not allowed inside water, when the butterfly is closed, will transmit a signal to the the fire alarm system, fire alarm system receives a monitoring signal (so called signal butterfly valve), fire sprinkler system that the floor is anhydrous state, fast repair.
Q:How does PLC control butterfly valves?
PLC control butterfly valve, usually control pneumatic butterfly valve or electric butterfly valve, see which way you control butterfly valve.PLC control pneumatic butterfly valve, that is, PLC program control, electric control, gas control, gas control butterfly valve;PLC control electric butterfly valve, that is, PLC program control electric, electric control butterfly valve.Ordinary switch butterfly valve is the program control on and off, to the 1 way valve open, to another 1 way valve off.
Q:Seat Leon Cupra 1.8T Mk1. Is my seat fitted with a dump valve as standard.?
every turbo will have a dump valve(waste gate) to regulate the boost to the engine Dump valves are fitted to the engines of turbo charged cars and sit between the turbo outlet and the throttle body. When transitioning from a boosted state to a closed throttle state (as in between shifts), due to inertia, the turbo continues to pressurize air, but the closed throttle prevents the compressed air from entering the engine. In this case the pressure exceeds the preset spring pressure in the dump valve and the excess pressure is bled off to atmosphere. Even with a dump valve the compressed air acts as a brake on the turbo (slowing it down), because the pressure on the backside of the turbo is at a higher pressure than on the front side (and the air actually wants to flow through the turbo backwards). A blowoff valve is a more elegant solution to this problem by allowing the turbo to freewheel when the throttle is closed (equalizing the pressure on both sides of the turbo). Unlike a dump valve a blowoff valve can be used at multiple boost settings without reconfiguration. Blowoff valves are sometimes incorrectly called dump valves because they serve a similar function, but they are very different solutions to the same problem.
Q:What does "C" in D971F-16C DN450 RF mean for electric butterfly valves?
C represents the valve body and the material is cast steel;D stands for butterfly valve; 9 stands for electric; 7 stands for clip type; 1 represents middle line butterfly valve; 16 stands for nominal pressure 1.6Mpa; RF stands for flange joint; in the form of protruding surface.
Q:Butterfly valve medium flow direction of the provisions of it?
From the above example, it can be concluded that the arrow direction of the butterfly valve body refers to the direction of the pressure of the medium. Before the installation, the user must know the direction of the pressure of the valve after the valve is closed. The direction of the arrow of the free valve body is in accordance with the direction of the pressure of the medium, so that the correct use can be achieved, and the tightness of the valve body is kept in good condition.

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