• Butterfly Valve DN200 Wafer Type  BS Standard System 1
  • Butterfly Valve DN200 Wafer Type  BS Standard System 2
Butterfly Valve DN200 Wafer Type  BS Standard

Butterfly Valve DN200 Wafer Type BS Standard

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1 set
Supply Capability:
5000 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. 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.

2.Main Features of the Manual Wafer Butterfly Valve
1.Square and short neck. Easy to stick scutcheon and cost saving.Nominal bore mm 20 25 32 40 50 65 80 100 125 150 200
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 Kv
9. double-base valve, sleeve valve: 0.5%* rating Kv

10.Cast hole. Flange connection meet ANSI 125/150#   DIN PN10/16   BS4504 PN10/16 in the meanwhile.
11.Soft seat. Replaceable. Increase of service life.
12.Double half shaft without pin.
3. Manual Wafer Butterfly Valve Images:
 Butterfly Valve DN200 Wafer Type  BS Standard
 

 

Butterfly Valve DN200 Wafer Type  BS Standard

4.Manual Wafer Butterfly Valve  Specification: 
Butterfly Valve DN200 Wafer Type  BS Standard
 

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.

 

Q:I am replacing my vanity sink with a Pedestal sink. I turned the shut off vales to the off position tight.I disconnected the cold water and drained the remaining water and everything was fine. I disconnected the hot and drained the water from the connecting tube but water still came out of the shut off valve at a decent pace.I placed my finger over the valve and i felt pressure build up...like when you stick your finger over a bottle of soda.I tightened the bolt on the valve and even the screw to the handle to no resolve.any ideas on how to make it stop while i connect the Pedestal sink?also, i am as novice as it gets.thanks in advance
Your relief valve will could desire to be for tension and temperature! while water is heated it expands. a variety tank is often needed. a common significant subject and frequently neglected is a verify valve on the chilly water inlet into the water heater. besides the fact that if it particularly is in a blending valve very probably fastened or some water warmers have been given right here with warmth traps fastened on the heater. the warmth temperature capture on the chilly water inlet had a plastic marble that floated up and sealed heat to your water heater. in many situations they seal tight and did no longer permit the water out because of the fact it speeded up. in the adventure that your 2d relief valve is leaking you often have some element like this happening. a kind tank put in on the scorching water area will scientific care this. You mentioned you have became the warmth temperature all the way all the way down to ninety. have you ever used a thermometer to verify the water is in the ninety degree variety? think approximately a foul thermostat on the water heater it is over heating the water, in spite of the actuality that it is uncommon.
Q:Ok, so I was just wondering, do you have to have a turbo to get blow-off valves? Also, do you have to have a manual? And are there any other requirements?
I'm a girl.....you don't have to have a turbo, any type of fast car will get you blown off.
Q:My valve covers are leaking how do I take the intake off my v6 firebird?
I would recommend taking it to a shop if you have to take off a intake. There can be some major problems that can occur like water going into the oil and messing up your engine if you dont seal it right, i would hold responsible the person doing the work.
Q:its rated 120 VAC/26VA (3 prongs, one for ground) . I also have a horizontal level switch for liquid with rating 120 VAC/0.28 A (the switch will connect when the water level reach the target) normally open.How can I wire them so that when the level reached the valve will close and water will not flow into the tank? The switch is inside the tank and the valve connecting the pipe for feed water. Thanks
I okorder / and if they dont have the answer for you, then go to the parts page and buy the book. - its cheap
Q:like my Acura has a 16v 4clyinder engine , and i dont know what valves does , the more vavles the faster?
Valves are in the Cylinder Head, They let Air and Fuel into the combustion chamber. 4 vavles let more air and fuel in than 2 vavles, Which makes more power.
Q:For instance, I am buying some new tires that don't have the valve stems on them, so could I remove my existing valve stems from my used tires onto the new tires? Is this recommend at all? Is it safe? Is it possible? Can this be done? why or why not? thank you.
I am having some problems understanding your question. Valve stems go in the rim not the tire. It is always advisable to replace the valve stem when replacing tires. Be more specific an we can give you a better answer.
Q:i have a nos tank that my grandfather gave me and i was wondering if i could get a scuba valve and put it on there so i can fill my paintball tank up with the air so i dont have to go buy a scuba tank
srry but if u do that it works very poorly so i would buy that scuba tank
Q:I heard there are really fine valves, does someone possesses thoughts where to buy these goods? I heard about them on TV. Anybody alive?
Yes, okorder
Q:I'm installing a shut off valve under my sink. can you tell me all the materials that i need to install it by myself because to hire some body else is very expensive where i live. i need to change the old ones because they are leaking very bad when i want to use the sink.thanks a lot
It sounds to me like they are leaking from the handle when you turn them on to use your sink? If this is the case all you need to do is shut iff the main take the screw out of the handle and remove handle. Then take off the packing nut and replace the packing material. There are only two types of packing either an O ring or rops packing. Talk to the guy at your local hardware store he can tell you what you have. You may not have to replace the actual shut off valve.
Q:im just bored so heres my question who do you think is better valve games (hl2 tf2 css) or bungie games (halo) and why. whoever gives me the best reson gets best answer. personally i like valve
Personally, I find Valve the better developer. Bungie only has one series it's famous for, the Halo series, and while the same can be said for Valve, because everything is essentially mods of Half Life, Valve is much more consistent in its games. Bungie's Halo was it's first big hit, and I don't disagree with how great it was. The sequels on the other hand don't quite match up with the original. Though they're solid games in terms of gameplay, I disagree with the many reviews saying they're near perfection. The first Halo was the best of the series, possibly because it was refreshing for the genre, but the follow ups just weren't as good. Valve is one of the best developers of a first person shooter out there. They hit it big with Half-Life, and also created the opportunity for mods to arise. Mods such as Team Fortress and Counter-Strike were excellent enough to be revised, polished and sold in retail versions. While Half Life's follow up, Blue Shift, was lackluster, I think Opposing Force made up for it. Half Life 2 took a long time to make, and I think it was well worth the wait. It's own follow ups, Episodes 1 and 2 were excellent, but short. The Orange Box, however, made up for that because of everything packed in it. An excellent Team Fortress 2, the refreshingly funny and innovative Portal, and of course, three Half Life 2 games. The service Valve provides with frequent bug fixing patches is also great for those with a decent internet connection. My only complain against Valve is the steam is required to play their games, but that isn't a problem in terms of gameplay enjoyment. Halo's multiplayer communities are strong, but the same can be said for Counter Strike: Source and Team Fortress 2. This category seems like a tie. While neither company did groundbreaking things in developing either franchise, I greatly prefer Half Life 2's graphical style, the consistency of excellence and innovations (Portals, Gravity gun, fun physics) from Valve.

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