Homeowners tend to look for good looking and effective radiator valves for their home heating system. With today's immense demand on good looking radiator valves, manufacturers have widely made this option available. There are many variants of it which comes in a very good looking shape and color in spite of their high functionality. All variants comes in some materials like the brass, nickle, chrome and gold.
Principally, there are two basic types of valve to control your radiators. They are the manual and thermostatic valves. Homeowners can choose between these two variants to be applied in their home. Thermostatic valves are the valve in which a heat sensor hooked into a thermostat. This thermostat is functioning as the controller of the heat inside the valve itself. These valves tend to be used mostly in the integrating central heating and cooling system. This is completely because it contains of the electronic components.
Meanwhile, the manual valves are those valves which are handled manually by hand. The hot water can only be allowed to get through when the manual handling by hand has been turned. In this manual radiator valves, the room's temperature adjustment is completely depended on the manual handling. However, as the industry develops, there are also some new developments in this type of valves. Those developments are mostly done to the structure of the valve. In order to make possible a more free control through the flow of the heat, a metal ball is added inside the valve. And currently, porcelain has been commonly coated around the valve, so that the fingers of it can be protected carefully.
In controlling the heat of your home with these valves, there are many different styles of radiators to be chosen from. More modest people may like it to make use the modern radiator valves for their cast iron radiators. But for the retro people who like antique, the antique style radiator valves is not a bad choice, either. Indeed, the antique style radiator valves are compatible for the traditional cast iron radiators. Antique style cast iron radiator valves also available in both choices of the manual and thermostatic radiator valves. The style however, bring a retro look to your cast radiators in spite of its high functionality.
There is this Victorian style which really gives Butterfly Valve your traditional cast iron radiators a very elegant look. And of course, the best thing from this Victorian style antique radiator valve is that it works perfectly in flowing heated waters. Depend on the materials zdvalve.com in which it is made of, homeowners can really enjoy a very durable valve for their traditional cast iron radiators. However, gold surely is the best one of the materials, if the very expensive production cost is not a problem for you. Sometimes, high quality products seem to be available in high price also. Of course, it does not mean that it is impossible to get access to the high quality products with less expensive price to be paid. There are always the right timing and place to get the most privilege. Happy shopping!
Thursday, August 23, 2012
Common Questions About Automotive Engine Valves
There are several valves that play a critical role in the efficient operation of your vehicle. For example, intake valves allow fuel into each cylinder's combustion chamber. Exhaust valves allow vapors to exit the chambers following the combustion process. When problems form with the valves, your engine may suffer performance issues, including misfires and compression leaks. It's important to have such problems addressed quickly to preserve your engine's performance.
With that in mind, we'll answer the most common questions people ask about their vehicles' valves. The following should give you a better understanding regarding why they're important, the issues that affect them, and the best approach toward resolving problems.
"What Causes Valves To Fail?"
Like all components, valves suffer wear and tear over tens of thousands of miles. If you drive your car far enough, they'll eventually need to be replaced. However, they can fail long before they wear down due to burning or breaking.
Valves perform their jobs under extremely high temperatures. Exhaust valves run exceptionally hot (up to 1,400 degrees Fahrenheit) because they are exposed to the vapors that result from the combustion process. These high temperatures make them especially susceptible to burning.
When the valves burn, the metal become less sturdy. It's not uncommon for them to suffer fatigue, causing pieces to break off. When this occurs, a compression leak develops.
"What Happens During Zhengzhou Zd Valve A Valve Job?"
This type of repair work involves removing the cylinder head to expose the failing valves and guides. The more thorough repair shops will completely dismantle the cylinder head so the individual components can be cleaned and inspected. If cracks are identified, the entire head is either fixed or replaced (cracks are serious because they allow coolant to seep into the combustion chamber).
Next, the guides are replaced since they are usually worn past the point of effectiveness. The valves are either refaced if they're still usable, or replaced.
"How Much Does This Type Of Work Cost?"
The repair bill can range from a few hundred dollars to several thousand. A lot depends on the type of engine in your vehicle and the type of repairs needed. For example, fixing a single valve in a standard 4-cylinder might cost under $400, including the labor. On the other hand, replacing multiple valves, fixing a crack head, and performing related repairs on an import can drive the bill upward.
"What Is A Leakdown Test?"
A leakdown test is used to find compression leaks from your cylinders' combustion chambers. It identifies whether your cylinders are sealing properly and if ZD Valve they're not, measures the percentage leakage. It's worth noting that all engines suffer a degree of compression leakage. Even the best engines leak up to 10 percent of their compression. If a leakdown shows a compression loss of 30 percent or more, have a mechanic check your intake and exhaust valves.
"What Other Problems Can Affect Valves?"
Besides burning, breaking, and suffering normal wear and tear, your engine's valves can also become bent. This can occur for several reasons, but often happens due to a broken timing belt. The belt breaks and sends the cylinder's piston crashing into the valve. If a significant amount of damage results, the valve will need to be replaced. If the damage is minor, it can be refaced and reinstalled.
Engine valves receive far less attention than they deserve. They fill a role without which your vehicle could not operate efficiently. By sealing the combustion chamber, and opening at the precise moment to allow fuel to enter and gases to exit, your intake and exhaust valves perform a critical function. As such, when problems occur, they should be addressed quickly.
Repairing these components can be expensive, and becomes more so with the extent of the damage (i.e. cracks, breaks, etc.). However, neglecting the problem practically ensures it will be more costly to fix down the road.
With that in mind, we'll answer the most common questions people ask about their vehicles' valves. The following should give you a better understanding regarding why they're important, the issues that affect them, and the best approach toward resolving problems.
"What Causes Valves To Fail?"
Like all components, valves suffer wear and tear over tens of thousands of miles. If you drive your car far enough, they'll eventually need to be replaced. However, they can fail long before they wear down due to burning or breaking.
Valves perform their jobs under extremely high temperatures. Exhaust valves run exceptionally hot (up to 1,400 degrees Fahrenheit) because they are exposed to the vapors that result from the combustion process. These high temperatures make them especially susceptible to burning.
When the valves burn, the metal become less sturdy. It's not uncommon for them to suffer fatigue, causing pieces to break off. When this occurs, a compression leak develops.
"What Happens During Zhengzhou Zd Valve A Valve Job?"
This type of repair work involves removing the cylinder head to expose the failing valves and guides. The more thorough repair shops will completely dismantle the cylinder head so the individual components can be cleaned and inspected. If cracks are identified, the entire head is either fixed or replaced (cracks are serious because they allow coolant to seep into the combustion chamber).
Next, the guides are replaced since they are usually worn past the point of effectiveness. The valves are either refaced if they're still usable, or replaced.
"How Much Does This Type Of Work Cost?"
The repair bill can range from a few hundred dollars to several thousand. A lot depends on the type of engine in your vehicle and the type of repairs needed. For example, fixing a single valve in a standard 4-cylinder might cost under $400, including the labor. On the other hand, replacing multiple valves, fixing a crack head, and performing related repairs on an import can drive the bill upward.
"What Is A Leakdown Test?"
A leakdown test is used to find compression leaks from your cylinders' combustion chambers. It identifies whether your cylinders are sealing properly and if ZD Valve they're not, measures the percentage leakage. It's worth noting that all engines suffer a degree of compression leakage. Even the best engines leak up to 10 percent of their compression. If a leakdown shows a compression loss of 30 percent or more, have a mechanic check your intake and exhaust valves.
"What Other Problems Can Affect Valves?"
Besides burning, breaking, and suffering normal wear and tear, your engine's valves can also become bent. This can occur for several reasons, but often happens due to a broken timing belt. The belt breaks and sends the cylinder's piston crashing into the valve. If a significant amount of damage results, the valve will need to be replaced. If the damage is minor, it can be refaced and reinstalled.
Engine valves receive far less attention than they deserve. They fill a role without which your vehicle could not operate efficiently. By sealing the combustion chamber, and opening at the precise moment to allow fuel to enter and gases to exit, your intake and exhaust valves perform a critical function. As such, when problems occur, they should be addressed quickly.
Repairing these components can be expensive, and becomes more so with the extent of the damage (i.e. cracks, breaks, etc.). However, neglecting the problem practically ensures it will be more costly to fix down the road.
Tuesday, August 21, 2012
Shrink Your Power Bills By Using Energy Conservation Equipment For Water Heaters
Electric Temperature Controls
If you have an electric heater, you can install a device that allows the water heater to shut down operation while no one is home or everyone is asleep. This will reduce heat loss. Your utility company or a plumber can help you install this device.
Heat Traps
Several heat traps may be installed on the water lines in the house. Ball valves may be installed on the cold and hot lines directly above the water heater. These valves will physically block heat inside the pipes and tank from escaping up and out of the water heater. The ball valves do cause some slight flow restriction though that may be noticeable during high volumes of water use. Another way to create a heat trap is to take your flex connectors at the top of the water heater and bend them into an inverted U shape if at all possible. Heat cannot travel past the top of the U.
Low-Flow Showerheads
Attaching these to your showerhead simply uses less water and in turn less heat. It's as simple as that. Low-flow aerators can be attached to Butterfly Valve sink faucets as well. A very effective way to save energy and money.
Pipe Insulation
Insulating the hot lines will save heat as well. Closed-cell foam can be wrapped around the pipes and makes the job go very quickly. Insulation blankets can be used also. Get thicker blankets rather than thinner ones. Different types of pipe require different size insulation too. Copper and galvanized pipes have different thicknesses even though they both are 1 inch. Don't forget to wrap the cold pipes three inches away from the water heater too. Do not, however, cover unions or fittings and ends of pipes with insulation. Any leaks will be more severe if insulation is www.freedevalve.com covering these spots. Never cover the draft diverter directly above gas water heaters. This could cause the insulation to catch on fire. Different insulations come with different self-adhesives. It does not matter much which type you use. If you need to tape the insulation though, use gas wrap tape, which looks like electrical tape with writing on it. Avoid using duct tape since it will wear out faster. Use scissors to cut the tape and insulation if necessary. Finally, plastic ties are another way of holding insulation to pipes as well.
Recirculating Systems
Recirculating loops can be installed by any water heater manufacturer. These are very efficient but expensive to install.
Vent Dampers
For gas heaters only, a vent damper is a metal flap just above the heater. Either a motor or actual heat is used to open the vent flap. The vent will never be all the way shut at any time just in case of unexpected heat going up the draft diverter. It is unknown how effective these devices are, but they seem to work better for indoor water heaters.
Water Heater Blankets
This idea is best used for water heaters that are outdoors or in naturally warm rooms. Purchase insulation that has a ranking of at least R-11. The energy saved will be substantial compared with lighter insulation such as R-6. Wrap the entire water heater around and cut holes for all the fittings such as the T&P valve, cold lines if any gas burner housing on gas water heaters or electrical elements on electrical water heaters. Note that leaks on the water heater will be difficult to see if the water heater is covered in a blanket and rusting is more of a problem. However, the energy savings from this idea makes it worth the risk. Periodically check for wetness underneath the blanket after installing it.
If you have an electric heater, you can install a device that allows the water heater to shut down operation while no one is home or everyone is asleep. This will reduce heat loss. Your utility company or a plumber can help you install this device.
Heat Traps
Several heat traps may be installed on the water lines in the house. Ball valves may be installed on the cold and hot lines directly above the water heater. These valves will physically block heat inside the pipes and tank from escaping up and out of the water heater. The ball valves do cause some slight flow restriction though that may be noticeable during high volumes of water use. Another way to create a heat trap is to take your flex connectors at the top of the water heater and bend them into an inverted U shape if at all possible. Heat cannot travel past the top of the U.
Low-Flow Showerheads
Attaching these to your showerhead simply uses less water and in turn less heat. It's as simple as that. Low-flow aerators can be attached to Butterfly Valve sink faucets as well. A very effective way to save energy and money.
Pipe Insulation
Insulating the hot lines will save heat as well. Closed-cell foam can be wrapped around the pipes and makes the job go very quickly. Insulation blankets can be used also. Get thicker blankets rather than thinner ones. Different types of pipe require different size insulation too. Copper and galvanized pipes have different thicknesses even though they both are 1 inch. Don't forget to wrap the cold pipes three inches away from the water heater too. Do not, however, cover unions or fittings and ends of pipes with insulation. Any leaks will be more severe if insulation is www.freedevalve.com covering these spots. Never cover the draft diverter directly above gas water heaters. This could cause the insulation to catch on fire. Different insulations come with different self-adhesives. It does not matter much which type you use. If you need to tape the insulation though, use gas wrap tape, which looks like electrical tape with writing on it. Avoid using duct tape since it will wear out faster. Use scissors to cut the tape and insulation if necessary. Finally, plastic ties are another way of holding insulation to pipes as well.
Recirculating Systems
Recirculating loops can be installed by any water heater manufacturer. These are very efficient but expensive to install.
Vent Dampers
For gas heaters only, a vent damper is a metal flap just above the heater. Either a motor or actual heat is used to open the vent flap. The vent will never be all the way shut at any time just in case of unexpected heat going up the draft diverter. It is unknown how effective these devices are, but they seem to work better for indoor water heaters.
Water Heater Blankets
This idea is best used for water heaters that are outdoors or in naturally warm rooms. Purchase insulation that has a ranking of at least R-11. The energy saved will be substantial compared with lighter insulation such as R-6. Wrap the entire water heater around and cut holes for all the fittings such as the T&P valve, cold lines if any gas burner housing on gas water heaters or electrical elements on electrical water heaters. Note that leaks on the water heater will be difficult to see if the water heater is covered in a blanket and rusting is more of a problem. However, the energy savings from this idea makes it worth the risk. Periodically check for wetness underneath the blanket after installing it.
Facts on The Phentermine Weight Loss Drug
A phentermine weight loss drug acts as an appetite suppressant that has been approved to aid obese patients in weight loss. The phentermine weight loss drug is meant for short-term usage while combined with proper diet, regular exercise, and a change in lifestyle. It is also prescribed to those who are at risk for certain medical and health risks related to their weight since it works by releasing chemicals in the brain to control the appetite.
History of phentermine
The generic phentermine weight loss drug received FDA-approval in 1959 as an appetite suppressant. However, since its release, no medical studies have been performed on the drug, although the most recent study done in 1990 combined fenfluramine (dexfenfluramine) with it and it was called Fen-Phen. The new variety never received any approval from the FDA but a 1992 study stated that it is more effective compared to exercising and dieting. Furthermore, it had fewer side effects. Unfortunately, by 1997, there were 24 reported cases of heart valve diseases regarding people who have taken Fen-Phen, which led to the FDA taking action by removing the drug from the market.
Names for phentermine
In the 70's, it was sold by King Pharmaceuticals as Fastin for SmithKline Beecham; but in 1998, the product was taken out from the market. Phentermine is also being sold by Medeva Pharmaceuticals with the name Ionamin, while Gate Pharmaceuticals is selling it as Adipex-P. Other commercial brand names for the phentermine weight loss Butterfly Valve drug are the following:
1. Anoxine-AM
2. Ionamin
3. Fastin
4. Obephen
5. Obermine
6. Duromine
7. Obestin-30
8. Pro-Fast SA
9. Panbesy
10. Redusa
11. Phentrol
12. Oby-Trim
13. Obenix
14. Phentermine Trenker
Addictive
Several varieties of the phentermine weight loss drug are still available in a lot of countries, especially in the United States. However, it is possible that the user can develop an addiction to the drug since it is similar to amphetamines. That is why it is also classified as a controlled substance in a lot of countries.
How it works
The phentermine weight loss drug works with the brain by stimulating and releasing the right amount of particular neurotransmitters responsible for appetite control. By releasing those neurotransmitters, the body is able to think that it is not hungry since the brain is not able to receive hunger messages.
Dosage
Since it contributes to the risk of insomnia, it is recommended that you take the drug before breakfast or around 1 to 2 hours after eating it. The FDA recommends that a phentermine weight loss drug should be for short-term usage only, which can last up to 12 weeks and paired with other means for weight loss such as regular exercise and a healthy and balanced diet.
Why dosage is limited
Dosage is being limited because the possible onset of drug tolerance wherein phentermine can lose its effects once the body learns how to adjust to it. However, there are contradicting reports like the drug still working even during trial for that lasted up to 36 weeks.
Restrictions
The following should not take any kind of phentermine weight loss drug:
o Patients who are allergic to any of the ingredients
o Those who have high blood pressure, glaucoma, cardiovascular disease, an overactive thyroid, or those with narrow blood vessels
o Patients who are experiencing anxiety attacks or diagnosed with anxiety disorders
o Those with a history or experience with substance abuse
o Pregnant, breast feeding, and women who have plans on becoming pregnant
o Those taking nonprescription or prescription medicines, dietary supplements, and herbal medications
o Those who are allergic to foods, medicines and other substances
o Patients with spinal cord or brain disorders, diabetes, and high cholesterol levels
Medicines that interfere with phentermine
There are medicines that can affect the user when used with phentermine. Examples are dedfenfluramine, fenfluramine, MAOIs, or furazolidone. They increase the risk for side effects like severe headaches, slower heart rates, elevated temperature, lung problems, and high blood pressure. The risk of side effects of medicines with serotonin inhibitors can also increase with the use of phentermine. On the other hand, the effectivness of guanethidine or guanadrel can be lessened when used with phentermine.
Common side effects
While phentermine can be well tolerated by a user, it also has possible side effects that can affect different aspects of the user's health. Common side effects are insomnia, high blood pressure, irritability, anxiety and nervousness, blurred vision, a change in sexual desire, confusion, diarrhea, dry mouth, psychosis, tiredness, unpleasant taste, nausea, headaches, seizures, dizziness, panic attacks, hallucinations, restlessness, weakness, stomach cramps, depression, etc.
History of phentermine
The generic phentermine weight loss drug received FDA-approval in 1959 as an appetite suppressant. However, since its release, no medical studies have been performed on the drug, although the most recent study done in 1990 combined fenfluramine (dexfenfluramine) with it and it was called Fen-Phen. The new variety never received any approval from the FDA but a 1992 study stated that it is more effective compared to exercising and dieting. Furthermore, it had fewer side effects. Unfortunately, by 1997, there were 24 reported cases of heart valve diseases regarding people who have taken Fen-Phen, which led to the FDA taking action by removing the drug from the market.
Names for phentermine
In the 70's, it was sold by King Pharmaceuticals as Fastin for SmithKline Beecham; but in 1998, the product was taken out from the market. Phentermine is also being sold by Medeva Pharmaceuticals with the name Ionamin, while Gate Pharmaceuticals is selling it as Adipex-P. Other commercial brand names for the phentermine weight loss Butterfly Valve drug are the following:
1. Anoxine-AM
2. Ionamin
3. Fastin
4. Obephen
5. Obermine
6. Duromine
7. Obestin-30
8. Pro-Fast SA
9. Panbesy
10. Redusa
11. Phentrol
12. Oby-Trim
13. Obenix
14. Phentermine Trenker
Addictive
Several varieties of the phentermine weight loss drug are still available in a lot of countries, especially in the United States. However, it is possible that the user can develop an addiction to the drug since it is similar to amphetamines. That is why it is also classified as a controlled substance in a lot of countries.
How it works
The phentermine weight loss drug works with the brain by stimulating and releasing the right amount of particular neurotransmitters responsible for appetite control. By releasing those neurotransmitters, the body is able to think that it is not hungry since the brain is not able to receive hunger messages.
Dosage
Since it contributes to the risk of insomnia, it is recommended that you take the drug before breakfast or around 1 to 2 hours after eating it. The FDA recommends that a phentermine weight loss drug should be for short-term usage only, which can last up to 12 weeks and paired with other means for weight loss such as regular exercise and a healthy and balanced diet.
Why dosage is limited
Dosage is being limited because the possible onset of drug tolerance wherein phentermine can lose its effects once the body learns how to adjust to it. However, there are contradicting reports like the drug still working even during trial for that lasted up to 36 weeks.
Restrictions
The following should not take any kind of phentermine weight loss drug:
o Patients who are allergic to any of the ingredients
o Those who have high blood pressure, glaucoma, cardiovascular disease, an overactive thyroid, or those with narrow blood vessels
o Patients who are experiencing anxiety attacks or diagnosed with anxiety disorders
o Those with a history or experience with substance abuse
o Pregnant, breast feeding, and women who have plans on becoming pregnant
o Those taking nonprescription or prescription medicines, dietary supplements, and herbal medications
o Those who are allergic to foods, medicines and other substances
o Patients with spinal cord or brain disorders, diabetes, and high cholesterol levels
Medicines that interfere with phentermine
There are medicines that can affect the user when used with phentermine. Examples are dedfenfluramine, fenfluramine, MAOIs, or furazolidone. They increase the risk for side effects like severe headaches, slower heart rates, elevated temperature, lung problems, and high blood pressure. The risk of side effects of medicines with serotonin inhibitors can also increase with the use of phentermine. On the other hand, the effectivness of guanethidine or guanadrel can be lessened when used with phentermine.
Common side effects
While phentermine can be well tolerated by a user, it also has possible side effects that can affect different aspects of the user's health. Common side effects are insomnia, high blood pressure, irritability, anxiety and nervousness, blurred vision, a change in sexual desire, confusion, diarrhea, dry mouth, psychosis, tiredness, unpleasant taste, nausea, headaches, seizures, dizziness, panic attacks, hallucinations, restlessness, weakness, stomach cramps, depression, etc.
Friday, August 17, 2012
A Little That I Know href About Industrial Valves
Popular industrial valve types are
• Ball
• Gate
• Swing Check
• Globe
• Butterfly
Let's explain briefly about these.
Ball Valves
It's ball placed inside a passageway that gives way for passing of fluid. A most common ball valve is a two way valve. This valve has a single passage way. Three way valves are less used.
Other types of ball valves
• Stainless steel Type.
• Steel Type
• High pressure Type.
Gate Valves
They control the flow of fluid and they are used when there's a minimum flow needed. It is also known as a sluice valve because the part that either stops or allows flow. It acts somewhat like a gate. These normally have flanged ends which are drilled according to pipeline compatible flange dimensional standards.
Just like any other valves, Gate valve too have flanged ends in order to connect them to the pipelines. The valve can be made of stainless steel, gun metal, cast iron or cast carbon steel.
Globe Valves
Globe Valves are spherical in shape and so the name. However, the newer they are not so much spherically shaped. They offer greater precision than other types when it comes to regulating flow. Globe valves www.freedevalve.com are used in applications where flow needs to be finely tuned. They have a plate with a hole in it, and a disk or plug completely or partially fits into the hole, slowing or stopping flow, according to Peco Company.
Swing Check Valves
These are less used when compared to other types of widely used valves. Under reverse flow conditions the swing check is held firmly against the valve seat, preventing system losses.
Swing check valves are good for keeping the pump primed when the power is off. They prevent water from backflowing from the filter into the pond. They are available in many sizes and have different types.
Butterfly Valves
These are one of the widely used types. They consist of a circular plate with a rod through it's diameter. The name 'butterfly valve' is because of the appearance of the it. It only rotates 90 degrees. This means it can turn from completely blocking the flow of whatever is in its pipe to letting through as much as is possible.There are different kinds of butterfly valves, each adapted for different pressures and different usage.
Valves are mechanical devices to regulate the flow of fluid. They regulate the flow of liquid, gases or bulk solids (eg. minerals, grains etc.) through a passageway. There are many types of industrial valves like ball valves, gate valves, check valves,... ball valves,globe valves,butterfly valves,gate valves,check valves,swing check valves,swing check,
• Ball
• Gate
• Swing Check
• Globe
• Butterfly
Let's explain briefly about these.
Ball Valves
It's ball placed inside a passageway that gives way for passing of fluid. A most common ball valve is a two way valve. This valve has a single passage way. Three way valves are less used.
Other types of ball valves
• Stainless steel Type.
• Steel Type
• High pressure Type.
Gate Valves
They control the flow of fluid and they are used when there's a minimum flow needed. It is also known as a sluice valve because the part that either stops or allows flow. It acts somewhat like a gate. These normally have flanged ends which are drilled according to pipeline compatible flange dimensional standards.
Just like any other valves, Gate valve too have flanged ends in order to connect them to the pipelines. The valve can be made of stainless steel, gun metal, cast iron or cast carbon steel.
Globe Valves
Globe Valves are spherical in shape and so the name. However, the newer they are not so much spherically shaped. They offer greater precision than other types when it comes to regulating flow. Globe valves www.freedevalve.com are used in applications where flow needs to be finely tuned. They have a plate with a hole in it, and a disk or plug completely or partially fits into the hole, slowing or stopping flow, according to Peco Company.
Swing Check Valves
These are less used when compared to other types of widely used valves. Under reverse flow conditions the swing check is held firmly against the valve seat, preventing system losses.
Swing check valves are good for keeping the pump primed when the power is off. They prevent water from backflowing from the filter into the pond. They are available in many sizes and have different types.
Butterfly Valves
These are one of the widely used types. They consist of a circular plate with a rod through it's diameter. The name 'butterfly valve' is because of the appearance of the it. It only rotates 90 degrees. This means it can turn from completely blocking the flow of whatever is in its pipe to letting through as much as is possible.There are different kinds of butterfly valves, each adapted for different pressures and different usage.
Valves are mechanical devices to regulate the flow of fluid. They regulate the flow of liquid, gases or bulk solids (eg. minerals, grains etc.) through a passageway. There are many types of industrial valves like ball valves, gate valves, check valves,... ball valves,globe valves,butterfly valves,gate valves,check valves,swing check valves,swing check,
Water Heater Replacement - How to Avoid Common Problems and Costly Mistakes
The useful life of a water heater is around twelve years, so sooner or later all it will need to be replaced. Here are some tips to help ensure that your new water heater will safely provide hot water for many years and help you avoid costly and dangerous mistakes.
Water heaters can provide may years of safe and effective service when properly installed. By using these tips you can ensure a safe installation and you can avoid costly correction of mistakes when you sell your home.
Your water heater will provide many years of trouble-free hot water, if you install it properly. This article explains how to install your gas or electric storage-type water heater and how to avoid costly and dangerous mistakes. water heater, water heaters, hot water heater, plumbing, hot water, water heating, gas water heater,
- Comply with all local building codes in effect when installing the new equipment. You should obtain a building permit and have the new installation inspected, but this is seldom done. A qualified and licensed plumber should know and comply with local building codes.
- Replace the old equipment with one that is the same physical size and shape, if possible. This will make installing the new equipment much easier. You will avoid or reduce the need to change the location of pipe, power, fuel, and vent connections.
- Install the temperature and pressure relief valve (T&P) discharge pipe so that it flows down toward the discharge point. The T&P valve is located on the top or the side of the water heater. It is usually brass colored with a silver colored handle on top. The T&P valve is an important safety device. The discharge pipe must flow down over its entire run so that if the T&P valve leaks, you will know that it's defective and needs to be replaced.
- Install at least ¾ inch diameter pipe for the T&P discharge pipe and do not change the pipe size over its run. Use pipe that is rated for hot water such as copper or CPVC. Terminate the pipe no more than six inches above the floor or ground and in a safe place so that someone is not burned if the T&P valve opens. Do not connect the pipe directly into the home's drainage pipes. Leave at least a one inch an air gap between the discharge pipe and the termination point. Missing and improperly installed T&P discharge pipes are a common problem.
- Place the water heater in a drip pan made for this purpose if the equipment is located inside the home, and especially if it is in the attic. Install a drain pipe on the drip pan to the outside, especially if the equipment is in the attic or some other place where a leak could cause damage.
- Replace the old flexible gas connector, if there is one. Gas connectors are flexible corrugated pipes that are usually silver, brass, or yellow colored. They are usually about twelve to eighteen inches long. Gas connector manufacturers do not recommend reusing old gas connectors.
- Replace the cold water shutoff valve, particularly if it is an old gate valve. Gate valves usually have a wheel type handle and look like garden hose valves. Gate valves may seize open and will not close or they may leak with age. It is less expensive to replace an inexpensive gate valve with a better quality ball valve while the plumber is there to install the new equipment.
- Replace the flexible water connectors, if used to connect the water heater to the plumbing pipes. Water connectors are flexible corrugated copper pipes. They are not used on all equipment. Replacing water Zhengzhou Zd Valve connectors is not required, but replacing them is inexpensive insurance against problems. In places with aggressive water, such as Florida, you should always replace these connectors. Do not bend water connectors so much that you reduce the connector's diameter.
- Connect the gas vent to the draft hood and to other vent sections with three sheet metal screws. Vents that become loose or disconnected can leak carbon monoxide into the home.
- Use dielectric fittings when connecting copper pipe to steel water heater connections. Without these special fittings, the connections may corrode and leak.
- Raise the gas burner or the lower heating Butterfly Valve element on an electric water heater at least eighteen inches above the floor if the equipment is in the garage. This helps avoid igniting gasoline vapors that might be in the garage.
- Secure the equipment to the house frame if you are located in a seismic risk area such as California.
Water heaters can provide may years of safe and effective service when properly installed. By using these tips you can ensure a safe installation and you can avoid costly correction of mistakes when you sell your home.
Your water heater will provide many years of trouble-free hot water, if you install it properly. This article explains how to install your gas or electric storage-type water heater and how to avoid costly and dangerous mistakes. water heater, water heaters, hot water heater, plumbing, hot water, water heating, gas water heater,
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