Butterfly Valve OEM Flange Connection 1 Inch Double Flange

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1. 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 Butterfly Valve 

(1) 90° movement for full open/close position. 

(2) Excellent control characteristics.Tight shut-off even after innumerable operations.

(3) Installation cost considerably reduced because of very low weight and compact design.

(4) Longer life and reliable service with minimum component wear.

(5) Renewable seats. No supplementary gasket required with the adjacent pipework.

(6) Body & Stem totally protected from service fluid.

3. Butterfly Valve Images

 

 

 

Butterfly Valve OEM Flange Connection 1 Inch Double Flange

Butterfly Valve OEM Flange Connection 1 Inch Double Flange

Butterfly Valve OEM Flange Connection 1 Inch Double Flange

 4.Butterfly Valve  Specification:

BODY

DISC

STEM

SEAT

BUSHING

MATERIAL

WORKING PRESSURE

CAST IRON

DUCTILE IRON WITH NICKEL PLATED

CARBON

STEEL

NR

-20-+85

LUBRIZED

BRONZE

DUCTILE

IRON

ALUMINUM BRONZE

STAINLESS
STEEL

HYPALON

-18-+135

INSTANTANEOUS

-18-+149

PTFE

ALUMINUM
BRONZE

STAINLESS STEEL

EPDM

-45-+135

INSTANTANEOUS

-50-+150

CARBON

STEEL

CARBON
STEEL

NEOPRENE

-7-+193

INSTANTANEOUS

-7-+107

STAINLESS STEEL

NBR

-12-+82

INSTANTANEOUS

-12-+93

WEAR-RESISTANT RUBBER

-10-+50

VITON

-23-+150

HEAT-RESISTANT RUBBER

-20-+150

PTFE

+10-+150

5.FAQ

1. What is manual wafer butterfly valve?

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?

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 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:The difference between the electric control valve and the electric butterfly valve, respectively, the application situation
Butterfly valve switching speed, fluid resistance is small, but the flow control is not good, suitable for only fast opening and closing occasions. Control valve switching speed is relatively slow, fluid resistance, but the flow control of the linear good, suitable for flow control requirements of the occasion.
Q:Butterfly valve D71X-10 and butterfly D371X-10 what is the difference?
One is the turbine drive and the other is with the handle
Q:Who can give me a download UG butterfly valve, needle valve, diaphragm valve standard model address, Japanese standard, American Standard.
Give you the address bar, this is a three-dimensional CAD model library of an online version of the real registered mail, free of charge, there are hundreds of Chinese and foreign manufacturers of the product model is available for download, such as ABB, SMC, FESTO, AIRTAC, CAMOZZI, MISUMI etc..
Q:Butterfly valve sealing material has several?
Nine: X1 (natural food gum), X2 (Heipalen), X3 (ethylene propylene rubber), X4 (neoprene), X5 (Ding Qing X6 (rubber), wear-resistant rubber (FPM), X7), X8 (silicon rubber), X9 (heat resistant ethylene propylene rubber)
Q:Are fire fighting signal valves and signal butterfly valves the same thing?
The same nature: both can open and close, there is also information back fed.Signal valves are collectively referred to as signal butterfly valves.
Q:What is the meaning of the D341*5-10 / 16ZB1 turbine butterfly valve flange said?
D: for clamp, 3: turbine head 4: flange connection 1: vertical plate X5: Ding fine rubber 10/16: nominal pressure Z: gray cast iron valve body, B1: valve plate material is ductile iron
Q:Buried extension butterfly valve is buried directly, or need to repair the valve well?
The establishment of a repair valve well, easy to repair, usually hydrogen long rod butterfly valve installed in the well. But if the quality of buying long stem butterfly valve, it can also be buried directly, not easy to bad
Q:Gate valve, butterfly valve and so on can do the valve so that?
Yes, but the accuracy of the adjustment is not high. Just about. To adjust the flow, please use flow control valve.
Q:Butterfly valve switch direction respectively?
If it is not to sound from behind, from large to small if that is in the open.
Q:butterfly valves d7a1x5
D- valve type (butterfly valve), 7- connection mode (to clamp), A- valve shape mode (A), 1- structure form (vertical plate), X5- valve seat sealant species (Ding Qing, NBR)

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