Concentric Butterfly Valve ISO5752

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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 somehow lost the valve cap to one of my tires. Do stores sell replacement caps? If so, would a place like Sears or VIP be a good place to look? If not, would a bike tire valve cap work?In the mean time, i took a cap off the fullest tire to put on this one(the lowest) was that good or bad idea?: Suggest that any tire store carries valve caps.

Q: I gotta 89 Crx si. Just wondering if you could put on a blow off valve and it work without it boosted: You could put it on but it would never operate.

Q: I think on old AC units They had a different valve than the shrader. It might be called a king? Anyway, I can't get my gauge to read the pressure. The needles don't move at all. How can I measure, refill this type of HVAC?: Unless you are EPA certified, you have no business checking the refrigerant in old AC units. If you get caught, you could face a hefty fine.

Q: i recently had a new condensing boiler and water cylinder replaced the existing radiators all have thermostatic valves fitted to them and worked fine until the boiler was replaced now all of my radiators when turned on, get as hot as the radiator without the valve on, i put each valve on number 2 which should be slightly warm, instead they are very very hot to the point you cant hold your hand on them for long one of the bedroom radiators can be heard bubbling like a kettle, i find it hard to believe all the valves could suddenly develop a fault could there be another reason for this ie fault with the fitting of pipework i am really concerned as we have young children in the house any thoughts on this much would be much appreciated: John what are you on about. Thermostatic radiator valves DO NOT control the temperature of the water in a radiator,that is set on the boiler.They take the air temperature surrounding the valve and control the room temperature by reducing or increasing as required the flow of water through the radiator.

Q: how do i adjust the valve lash my book sys to torque to 136 in lbs but my wrench is only in ft lbs: valve lash is a small gap between roker arm and valve bridge or valve top its main reson if any meatel heat then expend. it proper gap according to manual book intake valve gap less according to exhaust valve and fuel intake and exhaust out depend on valve gap you aslo called valve lash use for fuel setting.how time fuel in and how time exhaust out.

Q: My eight month old daughter was just diagnosed with pulmonary valve stenosis. Anyone have an experience with this? Did you have cardiac catherization? Did that fix the problem?: Treatment okorder

Q: here are pix's i want to no, if there is a easy fix or does it have 2 b machined thanksi think it use to have a bent valve in it: Your pics are too small and not clear enough for me to give you a 100% sure answer. My thought on this though is try to power lap the valves and see if that takes pitting out.. If not then you need a valve job. Lapping the valves won't put you out much. The lapping compond is pretty cheap. $5 or less for a tube of it, sold aty all parts stores. The common lapping is done with a lapping stick turning it by hand.. I recommed power lapping.. Get a lenght of 11/32 rubber hose, Put lapping compound on valve seat and valve face, put valve in head.. Put rubber hose on the valve stem, then chuck the other end of rubber hose into a hand held drill. I use a 1/2 chuck high torque drill for this. Now lightly push agaist the bottom of valve, will you trigger the drill and turn the valve around and around.. For yours do about 1-1.5 min, stop, push valve out some and look at seat, add more lapping compund if needed, then do it again This will machine the seat some.. It may be enough to clen up the pitting

Q: I was told my 1995 chevy needs an idle air control valve. I know my idle is getting rougher so I may need this. What is the function of this valve and what would happen if I don't get it? Will a new valve smooth my idle? Anyone know if this valve is hard to install or not?: The IAC (Idle Air Control Valve) controls the amount of air getting into the throttle body/intake to coincide with the correct amount of fuel to get the perfect fuel/air mixture for proper combustion. Too much or too little air will affect the performance of the engine at idle. If you have the 5.7 350 v8 the idle air control valve is really an easy fix. it sits right in the throttle body and is easy to get to. Autozone in Houston, TX has them for about $22... If you don't get it your idle will be poor and the engine could possible stall at idle.

Q: My fortuner stalls without warning, but restarts quickly, according to Toyota service center, we need to replace the suction valve, can someone please tell me how a suction valve work: you need to be more specific. there are 100 things on a car that could be called a suction valve. Right off the top of my head the only valve that could do that is a EGR valve. If it gets stuck open the car will stall, but it will start back up after the valve closes again. The OBD will tell you if the EGR valve is bad, but other than that I can't say.

Q: i need exhaust valves material dimensinons of any car.: Most valves are made of forged steel. The dimensions depend on what car. You can get a factory manual for any car. Call a motor shop to order them. Don't try to make them yourself.

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