Butterfly Valve Electric Wafer Lug Type Eccentric DN10

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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 consists of body ,stem ,disc , actuator (manual actuator, worm-gear actuator , aerodynamic actuator or electric actuator) , and wafer type butterfly valve can implement the process for turning on turning off and regulating the flow by the circumrotation of stem and disc  that is droved by actuators.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, easy instillation and maintenance. It can be mounted wherever needed
2. Simple and compact construction, quick 90 degrees on-off operation
3. Minimized operating torque, energy saving
4. Flow curve teeing to straight line, excellent regulation performance
5. Long service life, standing the test of tens of thousands opening/closing operations
6. Bubbles-tight sealing with no leakage under the pressure test
7. Wide selection of materials, applicable to various mediums
Nominal bore  mm 20 25 32 40 50 65 80 100 125 150 200
Valve core diameter  mm 10 12 15 20 25 32 40 50 65 80 100 125 150 200
Rated flux coefficient Kv 1.2 2 3.2 5 8 12 20 32 50 80 120 200 280 450
Nominal pressure Mpa 1.6 4 6.4
Match DKJ actuator specification DKZ-4100 DKZ-4200 DKZ-4300 DKZ-5400 DKZ-5500
3. Manual Wafer Butterfly Valve Images:
 Butterfly Valve Electric Wafer Lug Type Eccentric  DN10
 Butterfly Valve Electric Wafer Lug Type Eccentric  DN10

4.Manual Wafer Butterfly Valve  Specification:
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.
 Nominal Pressure:   PN10/PN16
Working Temperature : -45 C centigrade-+200C centigrade
Suitable Mediums :  Fresh water, Sewage, Sea water, Air, Oils, Acids, Alkalis, Salts, 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.
 
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:Where are the exhaust valves, mud valves and butterfly valves?
Chemical plant with colloid, puffed agent and granule. Wine industry, paper industry. Butterfly valves are used in petroleum, chemical, food, pharmaceutical, textile, water and electricity, ships, urban water supply and drainage, smelting, and energy systems as regulating and intercepting devices.
Q:What does butterfly valve nps12cl150d373f4-150lb stand for?
NPS (Nominal, Pipe, Size) abbreviation. Refers to the connection (including flanged and welding end) of the nominal diameter, followed by a digital unit is American Standard inches, 12 inches.NPS12 labeling system.CL is the abbreviation for class, and LB150 means the pressure is 150 poundsD stands for butterfly valves3 is expressed in the form of a turbine drive7 means of connection: to clip3 means sealing: 3 eccentricF4: the sealing material is PTFE
Q:Butterfly valve use
On the pipeline, mainly from cutting and throttling. Butterfly valve headstock is a disc shaped disc, in the valve body around its own axis of rotation, so as to achieve the purpose of opening or closing or regulation. Butterfly valve is fully open to fully closed is usually less than 90 degrees, butterfly and butterfly stroke itself has no self-locking capability, in order to position the disc to install the valve stem on the worm gear.
Q:How do hydraulic butterfly valves work?
The valve hydraulic device is mounted on the valve drive shaft. The driving shaft of the valve is fixed with a transmission spline, and the crank (with an outer spline) is sleeved on the driving shaft. When the hydraulic system works normally, through the gear sleeve, the transmission spline is connected with the crank. Thus, the hydraulic cylinder drives the crank, and the spline on the crank passes the torque to the transmission spline by means of a gear sleeve. Because the driving spline is fixed on the driving shaft, the driving shaft rotates and drives the valve plate to start and close. Sorry, the picture doesn't come up
Q:What does the butterfly valve model d344h, d345h, d346h, d347h mean?
According to the international standard of the letters and numbers apart to explain D344H D is a unit of butterfly valve, two unit 3 is driving mode: turbine, three unit 4 connection: flange connection, four unit 4 Structure: seal type linkage, five unit H sealing material: Cr13 stainless steelD345H compare yourself to the above. Unit 5 four is a sealed, single eccentric structureD346H four unit 6 is an unsealed center vertical plateD347H four unit 7 is unsealed double eccentricIn general, there is only one difference between them: the structural form is different!
Q:mitral valve prolapse?
I have Mitral Valve Prolapse, and slight regurgitation. If your cardiologist says not to worry, I wouldn't worry. Mitral Valve prolapse just means you have a slight deformity of the bicuspid valve. It doesn't close correctly. It's not a disease, or anything like that, just a slight deformity. The symptoms are annoying. You may or may not have palpitations, slight sharp chest pain sometimes, dizziness, fatigue, and anxiety from it. You must have it checked yearly to make sure it's not progressing. I have had it since I was born, and now I am 28, and it has not progressed at all. MILLIONS of people are walking around with it, and don't even know it. It's not really a big deal. However, it does have the potential to worsen and you may or may not need a new valve. But that normally happens when you're older, in your 50's or up. Don't worry about it.
Q:How do you explain A in butterfly valve D37A1?
Represents a seal or lining material symbol.Said sealing ring or lining material with the Chinese phonetic alphabet: B Babbitts D nitrided steel, acid resistant stainless steel H, J L Aluminum Alloy, hard rubber, nylon NL, P leather, SA PTFE, SC PVC, SD bakelite, T copper, TC enamel, X rubber, Y hard alloy
Q:Does the pneumatic butterfly valve need electricity?
Are pneumatic, and directly rely on gas control, the most important thing is that the gas, then certainly have to take control of electricity!
Q:Valves in a I4 or V6 engine...?
All engines require one intake and one exhaust valve per cylinder. Period. That said, some engines are equipped with two intake and two exhaust valves per cylinder. So a four cylinder engine will be labeled as either an 8 valve or a 16 valve engine. And so forth for a six cylinder or an eight cylinder engine. In the motorcycle world, there are the rare engines equipped with either three valves per cylinder or five valves per cylinder. So if a manufacturer is advertising the number of valves per cylinder right on the car or engine, you can bet that engine is equipped with four valves per cylinder. 4 valves per cylinder is more expensive to manufacture than a 2 valve engine, but there is better performance with 4 valves per cylinder. To the last part of your question, 24 valves equates to a 6 cylinder engine. 24/4 = 6 (cylinders). I know of no engines with 6 valves per cylinder. Also Altimas are not available with 8 cylinder engines. Good Luck
Q:anti siphon valve?
as you stated, you said the directions said at least 6 from the highest sprinkler 7 will be ok as well as 20. i don't know what region you are in, but if you are in a freeze zone though it is always a good idea to blow the lines when winter comes around.

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