Butterfly Valve Manual Wafer High Quality
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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
1)Small in size and light in weight and maintaince.It can be mounted whereever needed.
2)Simple, compact structure, quick 90 degree on-off operation.
3)Disc has two-way bearing, perfect seal, without leakage under the pressure test.
4)Flow curve tending to straight-line. Excellent regulation performance.
5)Various kinds of materials, applicable to different medium.
6)Strong wash and brush resistance and can fit to bad working condition.
7)Center plate structure, small torque of open and close.
8)Long service life. Standing the test of ten thousands opening and closing operation.
9)Can be used in cutting off and regulation medium
3. Manual Wafer Butterfly Valve Images:
4.Manual Wafer Butterfly Valve Specification:
Size | DN40-DN1200 |
End flange | ANSI B 16.1, EN 1092, AS 2129 |
Face to face | ANSI B 16.10; EN 558-1 Series 20 |
Top flange | ISO 5211 |
Normal Pressure | DN40-DN600 PN1.0/1.6MPa (150/200PSI) DN700-DN1200 PN1.0MPa (150PSI)
|
Body | CI/DI/WCB/ALB/CF8/CF8M
|
Disc | DI/ALB/Rubber lined Disc/ 1.2501/CF8M/1.4529/CF8/Hastelloy Alloy/Monel |
Stem: | 416/304/316/431/17-4PH |
Seat | NR/Hypalon/EPDM/Neoprene/NBR/Wear-Resistant EPDM/Viton/Silicon/Heat-Resistant EPDM/White NBR/White EPDM/EPDM (NSF)/PTFE |
Suitable Temperature | -40c~80c
|
Apply | Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc. |
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 abutterfly 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.
- Q:What are the advantages of butterfly valves?
- D. sediments are not readily accumulated;The E. is compact and has little installation
- Q:How does the pneumatic butterfly valve control the angle of opening?
- This is really not good, control seems to be pneumatic defects, can only rely on the feeling
- Q:Butterfly valve, two-way pressure and one-way pressure what is the difference?
- Popular, one point one pressure side, a double-sided pressure.
- Q:I went online to check where was the pcv valve for a 2001 ford focus, but I didn't find it. Does anyone have a picture? Thanks
- 2001 Ford Focus Pcv Valve
- Q:CAD drawing of butterfly valve
- Your question is very international. Ha-haThis method of painting is not clear in one or two words.First you'll know the map, then you'll use CAD, so the two will add up.Guess you will.
- Q:What do D71, D371 and D341 represent in butterfly valves?
- D71 is a handle to clip butterfly valveD371 is a turbine to clip butterfly valveD341 is a manually operated double flanged butterfly valve
- Q:How is the lug butterfly valve connected to the flange?
- Lug type butterfly valve is also called a single flange type, that is, with a flange on the valve body, usually installed at the end of the pipe, and even the method is 1: double bolt lock on the valve body 2: into the flange 3: lock nut
- Q:What's the difference between a clip on handle butterfly valve and a turbo butterfly valve? Where are they used?
- 1, the drive mode is different (handle or turbine), mainly based on the size of the valve and the opening and closing torque to decide.2. The butterfly plate of the worm valve is installed in the direction of the diameter of the pipe. In the butterfly valve body cylindrical channel, the disc shaped butterfly plate revolves around the axis, the rotation angle is 0 degrees ~90 degrees between, when rotates to 90 degrees, the valve opens the card completely.3, clip type butterfly valve is to use double headed bolts to connect the valve between the two pipe flanges, flange butterfly valve is a valve with a flange, bolt with the valve flange at both ends connected to the pipe flange.
- 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:Whenever sports cars are referred, people talk in terms of 'valves'. ex: v8, v12 etc. What does this all mean? Also they sometimes say that a v8 makes a great noise. why? How does the number of valves effects the performance? Many thanks.
- the v is in reference to the motor its in a v formation v8 4 cyliders on each side v6 3 per side v12 6 pre side now the valves is how many are in each cylinder you usually have 3 or 4 valves per cylinder the more valves the more horsepower the more cylinders the bigger the engine
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Butterfly Valve Manual Wafer High Quality
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 set
- Supply Capability:
- 5000 set/month
OKorder Service Pledge
OKorder Financial Service
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