Concentric Butterfly Valve BS5155

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Features:

1. Small in size, light in weight, easy installation and maintenance.

2. Simple and compact construction, quick 90 degree on-off operation.

3. Minimized operating torque, energy saving.

4. Flow curve tending to straight line, excellent regulation performance.

5. Long service life, standing the test of tens thousands opening/closing operations.

6. BUbbles-tight sealing with no leakage ubder the pressure test.

7. Wide selection of materials, applicable to various medium.

Material List:

No.	Part Name	Material
1	Body	Carbon Steel/Stainless Steel/Cast Iron/Ductile Iron/ Al-Bronze
2	Disc	Al-Bronze/CF8M/Ductile iron/WCB
3	Seat	EPDM/PEFE/Buna/NBR/Hypalon
4	Stem	Carbon Steel/Stainless Steel314/Stainless Steel316
5	Bushing	PTFE/Lubricating
6	O ring	EPDM/PEFE/Buna/NBR/Hypalon
7	Pin	SS316/SS416/SS304

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: You can turn the water off outside where it comes into the house. There should be a shut-off valve there. That will stop your valve from leaking until you get everything hooked back up. You can also turn it off at the meter if you want. There's a shut-off inside there too.

Q: I have a Jupiter double horn. The thumb valve will randomly stick down and not want to come back up. It however only does this when I play a scale or am in the middle of a song, so when I ask the director or an instrument repair person to help, they think I'm crazy and see nothing wrong with it. Also, the first valve is slightly bent sideways towards the second valve. I got it used and it came like this. It is not horrible, but that makes it significantly slower than the other valves and sticks a LOT. All repair shops do is take my money and claim they've fixed it when they have done nothing. It is so frustrating. What should I do? And the oil doesn't help with either of these things, which is even MORE frustrating.: thats easily particularly straightforward for brand spanking new horns, somewhat hand-crafted ones. The valves are nevertheless very tight and there would be steel debris nevertheless interior the tubing/valves from manufacture, it in basic terms desires to be taken to a competent restoration save and wiped clean thoroughly. previously you do this in basic terms attempt putting oil on the lower back and desirable (decrease than valve cap) bearings, and take out each and all the valve slides and positioned some mild oil (Al Cass works constructive) oil into the valve itself. in the event that they nevertheless draw close then take it to be wiped clean. and FYI concert activities on incredibly new horns isn't a competent concept, apart from mechanical subject concerns, you're able to desire to take time to get used to the device and its pitch dispositions. in view that probably is unquestionably no longer your final horn, in basic terms evaluate that next time.

Q: I need a ball valve that when you shut it off it sends a signal to a light that indicates that it is off.: Shouldn't be a problem. all that's needed is a valve with elect contacts on valve stem. should be able to get one with two sets of contacts for on and off...

Q: freak accident broke the shutoff valve at my toilet, so first thing i did was shut the water off at the main shut off valve inside the house. then fixed the toilet shut off valve then went to turn the water back on at the house valve and it ran for a few seconds and that was it. so i then went to the main valve at the street to make sure it was open. it was open as well as all the others inside the house. still no running water. please help.: did you ck the knob on the floor , make sure it is working sometimes the will strip out or the screw on the handle will come loose

Q: i have been having these chest pains and i went to the doc. they did an ekg, blood test for enzymes and a echo. Well today i went back for the results of the echo and was told that i had a leaky valve but it was nothing to worry about and that there are just trace amounts of valve regurgitation. Im only 19 and i have no other history of heart problems or diseases should i be worried...they said i didn't need any anti biotics or anything and that it wouldn't kill me just to watch for it as i age into my latter years of life 50-70, but im still kinda worried..anyone else have this? im also pregnant and im concerned as to how this will affect my pregnancy, labor and delivery????: well, firstly, almost everyone has trivial valve regurg. it is considered okay and not a need to be alarmed by it. its the severity that matters most. so i see that u have a valve regurg but just trace amounts so it should be alright. this may well due to your pregnancy, (just a possible cause) that u get this but it may also be all along even before pregnancy. it doesnt affect your pregnancy much unless u have hypertension. it is called hypertensive pregnancy. this is much attention needed than your current trivial regurg. but do go for another scan after pregnancy to make sure that the regurg doesnt worsen. the bottomline is... dont worry. you're doing okay. happy pregnancy! :)

Q: Are all the valve created games tied together somehow? Except for TF2 like in portal 2 glados says she might start a hobby of reanimating the dead so is that left 4 dead?: there are lots of possibilities. in left 4 dead Ellis once said he played team fortress 2 and Louis has played half-life. plus in portal there are several references to black mesa which was in the first half-life, also in half-life episode 2 you see an aperture science ship called the Borealis which hints at what happened in the time of portal 2. so in turn there are plenty of connections of between the valve universe's but no actual crossover has actually happened. but a big connection between two games i cant quite figure out. in left 4 dead 2 at the dark carnival you can win a garden gnome in a shooting gallery, if you can get the gnome all the way to the end of the level you win an achievement. but strangely in half-life episode 2 you can find a garden gnome at the beginning of the game and get it all the way to the base where you can stick inside a rocket where later you can blast it off into space! whats strange about this is there no clear connection between half-life 2 episode 2 and left 4 dead 2, since its already established that half-life is a video game in the left 4 dead universe. i mean in fiction most crossovers involve some kind of dimensional rift or tare, or even a portal...wait a second.

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?: A blow off valve releases the excess pressure from your forced induction system when you close the throttle plate. It prevents turbo surge. If you install one on your naturally aspirated vehicle, all it will do is get you laughed at. As for the manual, READ IT! Blow off valves have nothing to do with the transmission, so automatic or manual, makes no difference. Word of advise: Don't work on or modify your car. You'll make it slower at the very least.

Q: also are those air flow limiting valves safe for the air pump to reduce the flow of air, I have one because the air bubbles are just way too many without one and it scares the fish away: a check valve is to prevent back siphoning of water into the pump if you have a power outage or unplug the pump by accident. I'd suggest checking it by blowing through it the wrong way; if air does pass through get a new check valve (check new ones to be sure they don't limit airflow too much, and that the close in the wrong direction, many are cheap crap and don't work the day you buy them, so check them before you leave the store with it...note: same with thermometers, compare them with each other so you don't get the one that's crap) what you want is a normal air valve, they come in various configurations, one or more valves so as to run multiple airstones and to balance the airflow to each stone or ornament. You should not however just use the valve to limit airflow, as this damages the pump eventually. You can just let one of two valves bleed off a little air; however make sure another check valve is in the line from the tank to the valves or else you risk water coming out of that valve if it's lower than the tank water level.....You may want a smaller air pump or an adjustable one instead.

Q: im looking for the egr valve on a 97 mazda 626 its not in top of engine like other cars where can it be?????o and its a 4 cylinder: okay your gonna look at your intake manifold. Then locate where your air intake connects to the throttle body. Look around the throttle body and you should see the egr valve it will be hidden by your air intake but if you look hard enough you'll find it and also if you see in vacuum lines running around there, they will point you in the right direction because your egr valve has two vacuum lines that run to it. hopefully that helps.

Q: how hard is it to clean the egr valve on my 2002 Chevy Malibu? if you can give step by step or possibly a website/YouTube video link. thanks: Cleaning it could make it worse then your experiencing now, but if you want to here's the steps. There are two bolts holding the EGR val;ve down. Remove them, and use a can of carb cleaner to clean the carbon out of the two ports that are in the valve. Reinstall with a new gasket and run the car. If the check engine light comes on replace it. I recently got a EGR valve (not recommended but they work) from a local wrecking yard for my folks '99 Venture 3.4 ltr motor, replaced the one on the van because it was throwing the EGR code and it worked fine. No more check engine light.

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