EXCEEDS THE EXPECTATIONS
Vista PE-AL-PE Multilayer Composite Pipes
Express in Impress
Advantages in Detail
Any one who grew up with old fashioned plumbing will appreciate the advantage of the Vista Pipe system. Vista flow rate is superior to other systems. So the water pressure is even. Itís virtually maintenance free because it doesnít rust or corrode. And itís quiet and reduces noisy water hammer.
Excellent corrosion resistance
Vistaís plastic layers resist deterioration in aggressive water and hot soil environments. Bury Vista pipe directly in the ground or encase it in concrete without additional protection. It provides you with a longer service life compared to traditional metallic water service tubing that are susceptible to corrosion and pitting.
Vista provides an increased level of protection against contamination of your potable water supply. Unlike plastic water service tubes Vistaís aluminum core provides a 100% permeation barrier against ground source contaminants like fertilizer, pesticides or chemical spillage. And Vistaís outer layer prevents deterioration of pipe so your potable water supply is uninterrupted.
Clean and Safe
Entire PE-AL-PE plumbing system is designed to provide with the
cleanest drinking water possible.
As aluminum act as a permeation barrier, the buried vista pipes will not be permeated by ground source contaminants.
High Chemical Resistance
Vista pipes, due to inner and outer PE layers, are totally inert to most of the chemicals. In addition to all the chemicals to which PE pipes are totally inert resistant, Vista pipes offer better chemical resistance than PE pipes for the chemicals such as fuel oils, where the PE pipes fail because of swelling. The chemicals are broadly classified as follows,
Vista pipe is totally resistant to following chemicals at temperature up to
60 degree C:
Vista pipe is the bad conductor of heat. Thermal conductivity is 0.45 watt/ [m deg k.]. Because of this the insulation requirement is less compared to GI pipes.
Strength remains same after bending
The minimum bending radius of vista multi layer composite Pipes can be up to 5 times the Outside Diameter. The tensile and compressive stresses developed on outermost and innermost layer of the pipe cross section, respectively, are well within the allowable limits when the bending radius is more than or equal to 5 times of OD of pipe. Hence the pipes bent within this limit are safely used without any reduction in basic strength of pipe.
The unique characteristics of PE-AL-PE pipes combining long troubles free
service life, Safety, weight saving and reduction in diameter required,
readily explains the success of PE-AL-PE small diameter piping in the world.
Light weight and strong
Vista pipeís convenient lightweight long coils make water service line installation simple. And yet vista has high pressure ratings and elevated temperature ratings as well. Rated for 15 bars at 23 C.
Noise often associated with water hammer and that banging in pipes behind the wall. PE-AL-PE offers the strength of metal pipes without all the noise. PE-AL-PEís unique composite construction reduces water hammer pressure and the plastic layers reduce noise. With PE-AL-PE plumbing systems you will have no more shaking or rattling of metal pipes. It all adds up to a quieter home.
Higher Flow Rates
With a Hazen Williams flow coefficient of c= 150, and large inside diameters, Vista pipes provides superior long term flow. Vista pipe will not permit build up of calcium or other minerals- unlike metallic pipes; Vista pipeís flow rate is constant over time.
Support spacing and overhang
With better structural strength due to aluminum layer, as compared to PE pipes Vista pipes provides more versatility for in plant piping. Overhang of 1.5 meters can be safely provided for most of the chemicals with specific gravity being equal or lesser than 1. as thumb rule, this distance can be altered in the ratio of the specific gravity of the fluid.
Better performance at elevated temperature
The reduction in basic strength with the rise in temperature is less as compared to other plastic pipes. Hence, Vista piping system gives superior service at elevated temperatures up to 80 deg C. as compared to other conventional plastic pipes.
Concealed Vista PE-AL-PE Multi layer composite can be easily detected using metal detectors.
Low Expansion and Contraction
Vista pipeís unique composite design makes handle install and behave like a
metallic pipe. Itís aluminum core controls expansion and contraction, which
is similar to copperís. Vista pipeís rate of linear expansion is 1.3* 10-5
in. /in. /F.
Comparison of coefficient of expansion
Ease of handling and Installing
When rolled down the trench, Vista pipes stays where it laid. Vista pipe can be cut easily with hand held pipe cutters. And it requires no special bonding procedure. As with any pipe material, normal precaution such as removal of large rocks from around the pipe is advisable.
High UV resistance
Unlike the GI and PVC Pipes Composite pipes do not have any effect of UV radiation as carbon black is used. With the use of carbon black, PE pipes as well as composite pipes can be safely used for external installations.
Effect of sub-zero temperature
Freezing of water at sub-zero temperature leads to failure of
Initial pressure 10 bar
Nature of joints
GI pipes are always used with threaded joints. These joints may lead to failure over the time period because of corrosion. Failure of joint due to faulty jointing can also not be ruled out.
Copper pipes are safer in case of solder joint can not be done at the place of installation, particularly incase of concealed piping. Hence, the piping has to be completed outside and then fitted in the wall. In such cases, addition of a fitting or maintenance of piping becomes very difficult. Threaded PVC pipes carry the same disadvantages as GI pipes.
Composite pipes are generally jointed by compression fittings. Ease in achieving closer manufacturing tolerance facilitates the use of compression fittings. These joints are very easy, fast as well as safe against leakages.
GI and PVC pipes are rigid and hence can not be bent. Copper pipes can be bent with mechanical tools. The time required for bending is comparatively high. Composite pipes can be safely bent by hand when used with a protective support springs to a radius of 5 times the outer diameter of the pipe. After bending no spring back is observed so there is no need of clamping.
SUMMARY OF RATINGS
OVER ALL RATINGS OF VARIOUS PIPING MATERIALS FOR BUILDING WATER SUPPLY