Backflow devices are designed to protect the potable water supply from contaminants returning up the water lines from back-siphoning or back-pressure. They are very important for protecting the public water supply from potential health hazards. There are several different types of backflow installation devices to choose from when designing your new system. All of these systems must be inspected every year to assure that they are working properly.
The problem of backflow is caused by what is commonly known as back pressure. Water remaining in the pipes after the system is shut off runs back into the pipes. This creates the opportunity for contaminants to enter the public water system. Most businesses are legally bound to install these devices prior to opening the doors for customers. There are several systems available and they must be inspected by certified professionals yearly as well as at the time of installation.
The problem of back-pressure is especially dangerous if you are adding chemicals to the water you use. Fertilizers, pesticides and animal feces can be easily introduced to water sources by back-pressure if there is not a device installed to prevent it. Shut off valves are notorious for leaking or failing and offer little protection from these problems.
A double check valve assembly is the most common inline underground system found. They are popular because they are underground or in a basement or shed and are not prone to freeze in the winter months. You may not use chemicals or additives to your water when using the double check valve assembly.
The pressure vacuum breaker assembly is probably the least expensive whole-system device available. It is also the easiest to install and many come with freeze protection devices in them. The freeze device only covers the assembly leaving pipes unprotected. The device also spurts water occasionally so it is best installed in an area that has good drainage.
The reduced pressure zone assembly is the industrial standard for commercial properties. Apartment houses and condominiums will have this type of assembly. These assemblies are the most difficult to install and have the most complex systems to operate. They are also the most efficient means of protection from contamination.
If you have a smaller operation you may want to find the simplest of all the systems. That will be the atmospheric vacuum breakers system. It is the least expensive of all of the options available to you and it can be set up to run up to six out lets on your property. Each line must have its own assembly and this device cannot be used as a whole system option.
There will be many decisions for you to make when selecting which irrigation backflow installation you want. You must determine whether or not you plan to use additives in the water you use. You must also consider size of project and the use of the project you are considering. The main objective needs to be the safety of everyone's water supply in the area and how to make certain that you do not contribute any contaminants to the area.
The problem of backflow is caused by what is commonly known as back pressure. Water remaining in the pipes after the system is shut off runs back into the pipes. This creates the opportunity for contaminants to enter the public water system. Most businesses are legally bound to install these devices prior to opening the doors for customers. There are several systems available and they must be inspected by certified professionals yearly as well as at the time of installation.
The problem of back-pressure is especially dangerous if you are adding chemicals to the water you use. Fertilizers, pesticides and animal feces can be easily introduced to water sources by back-pressure if there is not a device installed to prevent it. Shut off valves are notorious for leaking or failing and offer little protection from these problems.
A double check valve assembly is the most common inline underground system found. They are popular because they are underground or in a basement or shed and are not prone to freeze in the winter months. You may not use chemicals or additives to your water when using the double check valve assembly.
The pressure vacuum breaker assembly is probably the least expensive whole-system device available. It is also the easiest to install and many come with freeze protection devices in them. The freeze device only covers the assembly leaving pipes unprotected. The device also spurts water occasionally so it is best installed in an area that has good drainage.
The reduced pressure zone assembly is the industrial standard for commercial properties. Apartment houses and condominiums will have this type of assembly. These assemblies are the most difficult to install and have the most complex systems to operate. They are also the most efficient means of protection from contamination.
If you have a smaller operation you may want to find the simplest of all the systems. That will be the atmospheric vacuum breakers system. It is the least expensive of all of the options available to you and it can be set up to run up to six out lets on your property. Each line must have its own assembly and this device cannot be used as a whole system option.
There will be many decisions for you to make when selecting which irrigation backflow installation you want. You must determine whether or not you plan to use additives in the water you use. You must also consider size of project and the use of the project you are considering. The main objective needs to be the safety of everyone's water supply in the area and how to make certain that you do not contribute any contaminants to the area.
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