Butterfly Valve Electric Wafer Lug Type Eccentric DN16

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200 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. 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. Wide selection of materials, applicable to various mediums
2. The material of valve body: cast iron, cast steel, cast stainless steel and so on.
3. Pressure grade: 1.6Mpa, 4.0Mpa, 6.4Mpa
4. Connecting type: flange coupling
5. Temperature range: normal temperature -20---230ºC  the thermal slug type -60---450ºC
6. Operation form: automatic open or close
7. Flow characteristic: equal percentage, linearity
8. Leakage: single-base valve: 0.01* rating Kvdouble-base valve, sleeve valve: 0.5%* rating Kv
    Differential pressure Mpa 6.4 4.0 4.0 4.0 3.5 2.3 2.0 1.42 1.4 0.91 0.55 0.35 0.26 0.17
    Match introduced actuator specification A+Z64
    Differential pressure Mpa 6.4 6.4 4.0 4.0 3.7 2.5 2.2 1.6 1.5 1.0 0.6 0.4 0.3 0.2
    Rated travel mm 10 16 25 40 40
    Flux characteristic Equal percentage Beeline
    Function style Volt on  Volt off
   Temperature range Normal temperature: -20 — +200 degree abstraction of heat: -60 — +450 degree
3. Manual Wafer Butterfly Valve Images:
 Butterfly Valve Electric Wafer Lug Type Eccentric  DN16

 

Butterfly Valve Electric Wafer Lug Type Eccentric  DN16

4.Manual Wafer Butterfly Valve  Specification:
Size: DN50-DN1000
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:What is the meaning of the D341*5-10 / 16ZB1 turbine butterfly valve flange said?
D341 is flanged connection center plate butterfly valve under pressure 1.0MPa-1.6MPa ZB1 rubber soft seal
Q:How is the lug butterfly valve connected to the flange?
When installing, pay attention to the butterfly plate. The sealing ring between the flange face and the butterfly valve is tightened. After clamping, it can be tightened.
Q:Where is the PCV valve?
pcv valve is on the valve cover closest to the firewall.it is attached to a rubber hose that runs to the intake. right below an electrical plug
Q:Butterfly valve use
Butterfly valve (English: butterfly valve) refers to the closure of parts (valve or butterfly plate) for the disk, around the valve shaft to achieve rotation and closing of a valve, the main cut off on the pipe and throttling role. 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.
Q:Valve cover gasket replacement?
The gasket set is probably $ 20, so double that to $ 40..... 270 - 40 is 230, divided by 2 man-hours, which is the usually dealership minimum, gives $ 115 an hour. I DON'T THINK SO !!!! Unless you live in Hawaii where everything is expensive, that sounds steep.... real steep. Dealers around here get like $ 85 an hour, so two hours is 170, plus 40 is 210 bucks; Still killer money for the dealer..... I'd question that estimate ask if there is some extraordinary challenge to working on your car. It is possible there are accessories mounted over the valve cover that will have to be moved, or that's it's a canted V-6 with one valve cover tucked up against the fire wall. Be nice, smile, ask questions.... Maybe even have someone show you what has to be moved on your engine to get at the valve cover(s). If you're going to pay that much $$$, you should learn something, also.
Q:Can the inlet and outlet of butterfly valve be reversed? Why? What will happen if the reverse gear is installed?
Our factory butterfly valve has two-way sealing, can be installed, and will not leak. If there is an arrow above the butterfly valve is one-way seal, that is, can not be installed. One way sealing will cause leakage. If you have any other questions, you can bring them up. Let me help you with that
Q:Three eccentric hard sealing butterfly valve, why not fit in the end of the pipe?
Three eccentric hard seal butterfly valve quality standards, up to zero leakage, but you mean the end of the direct discharge?If so, that's OK. First you have to calculate how much the pipe fluid pressure is.For example, the pipe fluid pressure is highest and the pressure is 1.6MPa (16 kg)Should choose three eccentric hard seal butterfly valve should be pressure 1.6MPa (16 kg)If you worry, optional 2.5MPa (25 kg) will not leak!Answer: three eccentric hard sealing butterfly valve can be installed at the end of the pipe
Q:How big is the butterfly valve with a diameter of 80?
80 caliber butterfly valveAskIn practice, this is not the case. Why not use it when I use it?. However, I used 65 butterfly valves, right? WhyChasing the answerWhat's the thickness of your pipe?
Q:Why is the butterfly valve used for fire control?
I suggest you find out the pressure and installation position first, the condition allows, you can choose butterfly, after all, much cheaper than butterfly valve. After the completion of the project, will be mainly engaged in the acceptance of problems, there are special management of fire units.
Q:Especially butterfly valve
Butterfly valve is fully open to fully closed is usually less than 90 degrees, the opening refers to the butterfly plate rotation angle;Linear closing should be the locator is linear, if the potentiometer is 0-10 euro, corresponding to 0-90 degrees, 500 Europe, opening 45 degrees;

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