How Can I Find a Cheap Solution to Replce Gas Furnace(s) in Ct?

what kind of gas? size of unit? type? up flow down flow or horizontal? you have allot of choices. 80% furnace is plus or minus $800.00 to $1800.00. a high efficient type can get over $2500.00 real fast and up to 6 or 7 thousand not including the labor to hire someone. I can get one shipped to you for a great price just let me know the specs. if you have a large apt building and are considering many units. a hydronic system may be cheaper. by adding hot water coils to each conditioned space. t-stat fan forced with sol. shut off valves. hot water circulated by a central boiler.

1. Why are ball valves spherical instead of cylindrical? [closed]

A sphere allows for sealing with simple o-rings in a flat configuration. This simplifies design, component acquisition, assembly, and repair and maintenance

2. will chopping my honda rebel 250's exhaust pipes harm the engine (valves)?

I've been told that with IC engines there is danger that when you shut it down an exhaust valve may be off its seat, and if cold air flows into the engine that valve could get warped. Perhaps that is the real problem here, not burning valves during operation, which would be determined by mixture. Note on dragsters, where pipes are very short, the crew puts tennis balls in them to prevent that.

3. Plumbers: Do you have a whole house water pressure regulator? What do you recommend?

I am not a plumber but whether you need a pressure regulator on the supply side to your home depends on the water pressure in the supply pipes to your home. My municipality has water pressure as high as 95 psi (my home is about 4 miles from a pumping station so). To me that is way too high.. it should be less than 60.. I have my water pressure in my home set at 45 psi which is still high. To high a water pressure can cause your water usage to go up (higher pressure higher flow), can damage or even burst piping and valves, etc.Plumbers: Do you have a whole house water pressure regulator? What do you recommend?

4. Does your car engine need a compression test?

The internal combustion engine (ICE) is a marvelous thing, harnessing the power of liquid hydrocarbons-ergo: gasoline or diesel fuel-to create motive force for motor vehicles. But over the years, after hundreds of thousands of kilometers and millions of engine revolutions, your car's engine can start to feel a little tired. If you are experiencing a loss of power that can not be fixed with new spark plugs, injectors, or electronic sensors, there is a chance that there's something more fundamentally wrong with your engine. An ICE is basically a big air pump and compressor, sucking in huge amounts of air, mixing it with tiny amounts of fuel, and squeezing it into a very small combustion chamber using a piston. When ignited, this mixture pushes the piston back down, turning the engine crank and pushing the car forward. Like any pump, achieving the proper pressure requires a good seal around the piston. Air and water pumps, like your common squirt gun, syringe, or bicycle pump, use rubber gaskets. A car's engine requires tougher stuff. Each piston inside a piston engine is sealed against the cylinder wall with metal piston rings, while metallic gaskets, valves, and valve seats are required to ensure proper pressure in the extremely hot combustion chamber. While quite tough, these components do wear down over time. If your car is losing power and/or emitting more smoke than usual, it may be time for a compression test. A compression tester is a disarmingly simple tool. It's a pressure gauge with attachments that allow you to plug it into a spark plug or diesel injector socket. Once there, both ignition and fuel systems are disconnected and the engine is cranked (via the starter motor) a few times. This procedure is repeated for each cylinder, after which the readings are compared to each other. This is preferably done on a warm engine, as piston rings often do not seal properly when cold. Engines naturally lose compression over time due to wear and tear, but having compression that's a bit lower than it was when brand new-typically 180-220 pounds per square inch of pressure-is okay. What you are looking for during the test is abnormally low numbers or numbers which do not line up. If one or more pistons are making 10% less compression than the others, then it's time to do a wet test. A little bit of oil is added to the offending cylinders, then the compression is checked again. If the compression improves, then the piston rings are not sealing properly. If it does not , then there's a chance that your headgasket or valves are at fault. Another follow-up test is the leakdown test. With the offending piston at top dead-center-or the top of its stroke inside the engine-and the valves closed, air is pumped into the cylinder. The mechanic then checks or listens for leaks. Air hissing out of the dipstick tube or crankcase vent on top of the engine indicate piston ring issues. Hissing from the exhaust or intake indicates valve issues. Bubbles coming out of the coolant, on the other hand, indicate a broken headgasket or possibly a cracked or warped cylinder head. None of these issues are cheap to fix, and all will mean some down time for your car. But with a proper diagnosis, you can catch these problems before they become even more expensive. And as long as you familiarize yourself with compression testing and the expected results for your particular vehicle, you can at least assure yourself you are not paying for unneeded repairs, and that your mechanic really knows what he's doing.

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What Are the Protection Methods for the Corrosion of Explosion-proof Electric Valves
Corrosion of explosion-proof electric valve is generally understood as the damage of metal materials of explosion-proof electric valve in chemical or electrochemical environment. "Corrosion" occurs in the spontaneous interaction between metal and surrounding environment. Therefore, separating metal from surrounding environment or using more non-metallic synthetic materials is the key to prevent corrosion. Explosion proof electric valves (including valves) account for most of the weight of explosion-proof electric valves and are often in contact with the media, so explosion-proof electric valves are often selected.There are no more than two forms of valve corrosion: chemical corrosion and electrochemical corrosion. The corrosion rate is determined by the temperature, pressure, chemical characteristics and corrosion resistance of the valve material. The corrosion rate can be divided into six categories.1. Complete corrosion resistance 3360, corrosion rate less than 0.001mm/year;2. Limit corrosion prevention: the corrosion rate is 0.001 0.01mm/year;3. Corrosion resistance: corrosion development rate: 0.01 0.1mm/year;4. Corrosion resistance: corrosion rate: 0.1 1.0mm/year5. Corrosion resistance decreases: corrosion rate is 1.0 10mm / year;6. Corrosion resistance: the corrosion rate is greater than 10mm per year.The anti-corrosion of valve body is mainly the correct selection of materials. This is because, although there are abundant data on anti-corrosion, sulfuric acid has strong corrosivity to steel and can form passive film at low concentration to resist corrosion. The corrosion problem is very complex. Hydrogen is highly corrosive to steel only at high temperature and high pressure. Goats do not corrode much when they are dry, but many materials cannot be used when there is a certain humidity. The difficulty in selecting valve materials is that we should not only consider corrosion, but also consider pressure resistance, temperature resistance, economy and purchase convenience. So you have to devote yourself wholeheartedly.The following are the lining measures of lead lining, aluminum lining, engineering plastic lining, natural rubber lining and various synthetic rubber. If the media conditions allow, it is the save method. Thirdly, when the pressure and temperature requirements are not high, using non-metal as the main structural material of the valve market will often carry out anti-corrosion very actively and effectively. In addition, the external surface of the valve is also subject to atmospheric corrosion. Generally, steel materials are protected with seals.fqj
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