The Signal Butterfly Valve ; Butterfly Valve
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 30000 pc/month
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Specification
Material:
Steel
Pressure:
Low Pressure
Temperature of Media:
Medium Temperature
Power:
Manual
Media:
water / sea water / oil product
OD（Outer Diameter: inch）:
300
Size(inch):
284
Pressure（LB）:
16
Net Weight (kg):
124
The signal butterfly follows three-eccentric disc, place the gear actuator at the axle's end connecting with signal switch, which will effectively supply the signal of close and open the valve, and also transfer sound and light facility, offer sound and light signal, generally completed to fire facility.
Applicable Standard
Design standard: GB/T12238-1989 ; CJ/T261-2007
Flange dimension: GB/T9113.1-2000 ; GB/T9115.1-2000 ；JB78
Face-to-face: GB/T12221-1989
Pressure test: GB/T13927-1992
Main Technical Parameter
Nominal Diameter | DN(mm) | 50~150 | ||||
Nominal Pressure | PN(MPa) | 0.6 | 1.0 | 1.6 | ||
| Intensity Test | 0.9 | 1.5 | 2.4 | |||
| Seal test | 0.66 | 1.1 | 1.76 | |||
Applicable Temperature | ≤125°C | |||||
Applicable Medium | water / sea water / oil product | |||||
Material for Main Parts
| Parts Name | Material |
| Body | Castiron / cast steel |
| Disc | Cast steel(face hardened) / Cast iron(face hardened) |
| Seat | NBR / viton |
| Stem | 2Cr13 |
| Packing | Flexible graphite / fluorine plastic |
Please consult customer service before placing an order( in order to confirm with size and material of the relevant product).
- Q: I am confused as to the answer of this question. Please help.Indicate the status of the mitral, tricuspid and semilunar valves (whether they are open or closd) during the various phases of the cardiac cycle. Discuss the pressure in each of the relevant chambers or blood vessels during the phases with reference to the opening or closing of the valves.
- A heartbeat is a two-part pumping action that takes about a second. As blood collects in the upper chambers (the right and left atria), the heart's natural pacemaker (the SA node) sends out an electrical signal that causes the atria to contract. This contraction pushes blood through the tricuspid and mitral valves into the resting lower chambers (the right and left ventricles). This part of the two-part pumping phase (the longer of the two) is called diastole. The second part of the pumping phase begins when the ventricles are full of blood. The electrical signals from the SA node travel along a pathway of cells to the ventricles, causing them to contract. This is called systole. As the tricuspid and mitral valves shut tight to prevent a back flow of blood, the pulmonary and aortic valves are pushed open. While blood is pushed from the right ventricle into the lungs to pick up oxygen, oxygen-rich blood flows from the left ventricle to the heart and other parts of the body. After blood moves into the pulmonary artery and the aorta, the ventricles relax, and the pulmonary and aortic valves close. The lower pressure in the ventricles causes the tricuspid and mitral valves to open, and the cycle begins again. This series of contractions is repeated over and over again, increasing during times of exertion and decreasing while you are at rest. The heart normally beats about 60 to 80 times a minute when you are at rest, but this can vary. As you get older, your resting heart rate rises. Also, it is usually lower in people who are physically fit.
- Q: Butterfly valve common faults and treatment methods?
- Three, summary:Only familiar with every detail of circulating water pump outlet valve and butterfly valve equipment, timely and thorough maintenance and strict debugging, to ensure the safety and reliability of equipment operation, to ensure the healthy and orderly operation of equipment.
- Q: Specifically an engine valve retainer.
- There okorder for year make model engine valve diagram and you should find a drawing of your setup.
- Q: Butterfly valve network and ordinary butterfly what is the difference?
- Pipeline butterfly valve is turntable upward, like the gate valve, can be installed in the ground, the ordinary turntable is left or right.
- 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: 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: Butterfly valve in the use of the difference? Caliber?
- Role of butterfly valveButterfly valve is to use disc type to open and close parts reciprocating reciprocating about 90 degrees to open, close or adjust the flow of medium valve. The butterfly valve has the advantages of simple structure, small volume, light weight, material consumption, installation of small size, the driving performance of torque is small, simple operation, rapid, high chemical corrosion, and can also have good flow control function and closure characteristics, the use of butterfly valve is very extensive. Its varieties and quantities are still expanding, and the development of high temperature, high pressure, large caliber, high sealing, long life, excellent regulation, as well as multi-function development of one valve. Its reliability and other performance indicators have reached a high level. Disadvantages, there is a certain resistance to the medium.Gate valves are more used in steam pipes and large diameter water supply pipelines, because of the general requirements of fluid resistance is small, the use of gate valve.Valve is hand wheel rotation, stem upward movement. Flow is not the same, the gate valve requires full open. Need a higher installation space, the valve sealing surface has a certain self sealing capacity, its spool by the media pressure closely with the valve seat sealing surface contact, to achieve tight leakage. Wedge gate valve spool angle is generally 3~6 degrees, when forced to shut down excessive or temperature changes of the valve core is easy to die. Therefore, high temperature and high pressure wedge gate valve, in the structure have taken certain measures to prevent spool stuck. The valve in the opening and closing valve and valve seat sealing surface contact and mutual friction is always so easy to wear sealing surface, especially in close off the valve, the valve before and after the great pressure, sealing surface wear is more serious.
- Q: Hi guys, i asked a question before pertaining to the amount of cylinders and asking if it meant V4 or V6 or whatever.I actually meant to say VALVES, not cylinders. IS there a direct correlation between VALVES and Clyinders..Eg, My car, which is a 2001 Neon LE states right on the engine block quot;16 VALVEquot; in bright letters. I am sure this is a 4 cylinder engine. I haven't had a car that broadcasted the number of VALVES before. Another car I had broadcast that is was a 3.3 Liter V6 right on the engine.Is there a mathematical relationship between VALVES and cylinders, or would my car be braodcasting 16 VALVES, because a 4 cylinder doesn't typically HAVE 16 valves, or what is the story??Recently, I was looking at an altima, and it said 24 valves. Can you tell just by the number of valves if it is a 4 cylinder or 6 cylinder or whatever??Thanks.
- Simply the engine size and the number of cylinder, the 3.0 has 6 the 2.3 has 4, however both engines have four valves per cylinder(2 intakes 2 exhaust) and dual overhead cams(dohc)
- Q: Butterfly valve is generally used in what position?
- Butterfly valve used in furnace, coal gas, natural gas, liquefied petroleum gas, city gas, hot and cold air, environmental protection, chemical smelting and power building water supply and drainage engineering system in conveying a variety of corrosive and non corrosive media pipeline, used to adjust and cut off the media flow.
- Q: Butterfly valve structure and working principle
- Butterfly valve structure: Center to clip butterfly valve, single eccentric butterfly valve, double eccentric butterfly valve, three eccentric butterfly valve
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The Signal Butterfly Valve ; Butterfly Valve
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 30000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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