Standard
MinghuaHot Products
Lightness UPNC is approximately half weight of Copper pipe, one-fifth weight of Steel pipe and one-tenth weight of Cast lion pipe. Transport and handling therefore are both simple and convenient. Chemical Resistance
The excellent chemical resistance of UPVC to acids, alkalis, oxidizing and reducing agents makes it particularly suitable for a wide range of industrial applications. High Flow Rate
The internal surface of UPVC pipe and fittings“extremely smooth”equivalent to a Manning and Cutter coefficient of 0.010,giving excellent flow propertie4s which remain constant due to reduced build-up of scale.
Non Conductivity
UPVC is a non-conductor of electricity, and is therefore not subject to galvanic or electrolytic action.
Weather Resistance
The UPVC pipes and fittings range is manufactured from a specially formulated UPVC compound, developed from many years for trial, resulting in a tough resilient materials with excellent outdoor weathering performance.
Low Installation Cost
Tight dependable connections are made by solvent welding of UPVC pipes and fitting. This combined with the other advantages of lightness, flexibility and the use of prefabrication techniques, can afford savings both in time and money.
Effect of Elevated Temperature
The UPVC remains stable under load to a temperature of approximately 75°c and is therefore satisfactory for use in soil or waste systems. Specialized Applications
The systems are more than adequate for normal domestic applications in low and multi-rise dwellings. There more Specialized Applications, such as tea-makers, autoclaves, hospital, industrial kitchens and laboratories are concerned, where prolonged discharges of liquids at elevated temperatures can occur.
Laying Instruction &Jointing Procedure
Clean the outside of the pipe’s spigot end and the inside of the sealing groove of the fitting. Apply the lubricant supplied by us uniformly to the spigot end, sealing ring and pass the spigot end into the socket containing sealing ring until fully home. Mark the position of the socket edge with the pencil or felt-tip pen on the pipe, then withdraws the pipe from the socket by approx.10mm (toward thermal expansion gap).
Spacing of Pipe Clips
With horizontal runs, the pipe clips should be spaced at intervals of no more than ten times the pipe. Vertical lines are spaced at intervals of one meter to maximum of two meters according to pipe diameter.
Advantages of CPVC Pipes and Fittings
This is thermoplastic piping material which can be used for higher temperature application. it is a special Polymer with higher class transition point, which means advantages over regular
UPVC Pipes and Fittings. CPVC remain its mechanical strength at higher temperatures.
CPC=93°C Max. UPVC=59°C Max
Health Concern
CPVC supports lowest bacteria growth compared with other traditional piping materials.
Scale Build-up
CPVC supports no corrosion and hence Scale build-up is inhibited.
U.V. Exposure
Since degradation process in CPVC is Dehydrocholrination and not oxidation. The out door exposure of CPVC pipe and fittings to U.V. do not break polymer；Hence, it is not only being limited to a surface discoloration.
Fire Safety
CPVC does not support combustion. No flame dripping, low flame spread and low smoke generation.
Water Hammer
CPVC is much quieter than metal systems with much less water hammer.
Effect of Chlorine
CPVC is unaffected by the presence of chlorine in potable water supply unlike polyolefin which is affected by chlorine and hence break down of its polymer followed by potential leaks.
Low Thermal Expansion
CPVC has a low coefficient of thermal expansion hence reduces the amount of expanding when hot water is flowing, causing reduction in “l(fā)ooking of pipe”.
Easy, Cost Effective Installation
Easy to join by Solvent Cement, no need to use special tools. Installation is easy in tight, confined or inaccessible places. No. need for alternative material such as expensive brass fittings.
Low Thermal Conductivity
The low thermal Conductivity of CPVC reduces heat loss through the wall.
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