Butterfly Valves Ductile Iron Wafer Type DN600

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100 set
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80000 set/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. 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 

1.Cast hole. Flange connection meet ANSI 125/150#   DIN PN10/16   BS4504 PN10/16 in the meanwhile.

2.Soft seat. Replaceable. Increase of service life.

3.Double half shaft without pin.

4.Square and short neck. Easy to stick scutcheon and cost saving.

5.Simple and compact construction. Small in size and light in weight. Easy transportation, installation and maintenance.
6. Quick 90 degrees on-off operation. Minimized operating torque ,energy saving.
7. Excellent sealing performance with no leakage. Long service life.
8.Wide selection of materials ,applicable for various media..
9.Flow curve tending to straight line. Excellent regulation performance.

10Small in size and light in weight, easy instillation and maintenance. It can be mounted wherever needed
Simple and compact construction, quick 90 degrees on-off operation
Minimized operating torque, energy saving
Flow curve teeing to straight line, excellent regulation performance
Long service life, standing the test of tens of thousands opening/closing operations
Bubbles-tight sealing with no leakage under the pressure test
Wide selection of materials, applicable to various mediums

3. Manual Wafer Butterfly Valve Images

 Butterfly Valves Ductile Iron  Wafer Type DN600

4.Manual Wafer Butterfly Valve  Specification 

Nominal Pressure:   PN10/PN16

Working Temperature : -45 C centigrade-+200C centigrade

Suitable Mediums :  Fresh water, Sewage, Sea water, Air, Oils, Acids, Alkalis, Salts, etc.

Size:

DN50-DN1000

End flange:

ANSI B 16.1,EN1092,AS2129

Face to face:

ANSI B 16.10

Top flange:

ISO 5211

Normal pressure:

PN1.0/1.6MPa(150/200PSI)

Body:

CI/DI/WCB/ALB/CF8/CF8M

Disc:

DI/ALB/Rubber lined Disc/1.2501/1.4529/CF8/Hastelloy Alloy/Monel

Stem:

410/416/304/431/17-4PH/316/monel

Seat:

NBR/Hypalon/EPDM/Neoprene/NR/Wear-Resistant EPDM/Viton/Silicon/Heat-Resistant EPDM/White EPDM/EPDM(NSF)/PTFE

Suitable temperature:

-10~120

Medium:

Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc. 

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.

 

 

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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:What is the meaning of American Standard butterfly valve B series
American Standard flange connection is divided into A, B series. A series for normal flanges, B series for compact flanges. 24 "to no AB series, flange standards for B16.5, 24" above B16.47.
Q:Can the inlet and outlet of butterfly valve be reversed? Why? What will happen if the reverse gear is installed?
Hard seal butterfly valve in any case, the reverse loading will cause tight seal.
Q:How to use the fire butterfly valve properly?
Clamp and groove type and signal butterfly valve, the first two have what requirements of installation, the operating handle can rotate to open and close the valve installation, signal wiring, mouth down, to prevent water and caused a short circuit three line grounding and alarm line for leakage protection and monitoring of the valve open or closed, general are in line with the alarm valve or flow indicator matched with water, indicating the spacing of not less than 300mm, no other special requirements
Q:Electric butterfly valve (not take the lead) what do you mean?
Electric butterfly valve, as its name implies, consists of an electric actuator and butterfly valve, and the customer does not take the lead, that is, without the electric actuator, only the butterfly valve can be provided.
Q:That industry uses most of the butterfly valve, and only use the butterfly valve, a large number of use of butterfly valve, seek expert advice!
I know there are automatic fire fighting systems and the oil industry.
Q:Fire, the signal butterfly valve flange connection or welding?
Grooved flange joint, welded flange connection! Wire bonding. Wire to flange connection! In addition, you can choose the groove type signal butterfly valve!
Q:What does "D41X-16" mean?
GB case, D is butterfly valve, 4 is flange connection, 1 refers to the midline structure, X is sealed form for three yuan, ethylene propylene rubber seal, and 16 is the pressure of 16 kg.
Q:How many kinds of butterfly valves are there?
1. according to the structure classification (1) Central sealing butterfly valve (2) single eccentric sealed butterfly valve (3) double eccentric sealed butterfly valve (4) three eccentric sealed butterfly valve2., according to the sealing material classification (1) soft sealing butterfly valve. (2) metal hard sealing butterfly valve.3. according to the form of sealing classification (1) forced sealing butterfly valve (2) pressure sealed butterfly valve.4. classification according to working pressure (1) vacuum butterfly valve. 2) low pressure butterfly valve. (3) medium pressure butterfly valve. (4) high pressure butterfly valve. (5) ultra high pressure butterfly valve.5. classification by working temperature (1) high temperature butterfly valve. (2) medium temperature butterfly valve. (3) normal temperature butterfly valve. (4) low temperature butterfly valve. (5) ultra low temperature butterfly valve.
Q:Where are the exhaust valves, mud valves and butterfly valves?
The exhaust valve is suitable for the pipeline with working medium, so as to improve the efficiency of the water conveyance equipment and protect the pipe from deformation and rupture. Sludge discharge valves are suitable for use in floating waste water treatment plants, such as gypsum. Slag, scale power stations, smelters, sugar mills.

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