By Uni-Bell PVC Pipe Association
The hot 5th variation is the main complete and up to date reference on PVC pipe and fittings. It offers useful engineering and development info. It comprises strategies acceptable to the layout and use of basically underground PVC piping structures in either strain and non-pressure functions. earlier versions were utilized by engineers all throughout North the US and worldwide within the application and consulting engineering sectors, in addition to in universities and technical associations. The collaborative results of millions of hours of analysis and evaluation, the contents of the booklet are numerically formatted by way of part and subsection, in addition to by way of determine and desk designation. this enables effortless reference and easy access. The guide is a must have reference for layout engineers, private and non-private pipe application managers, and scholars. A extra entire textual content on PVC pipe isn't on hand.
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Extra resources for Handbook of PVC Pipe Design and Construction
Resistance of PVC pipe and elastomeric gaskets to attack by chemical agents has been determined through years of research and field experience, demonstrating its ability to endure a broad range of both acidic and caustic environments. In general, PVC piping systems are not adversely affected by chemicals found in typical potable water and sanitary sewer systems. 2 Factors Affecting Resistance Chemical reactions can be very complex; there are so many factors affecting the reaction of a piping system to chemical attack that it is impossible to construct charts to cover all possibilities.
The issue of permeation started to receive considerable attention in the late 1970s; since then, the topic has been thoroughly studied, evaluated, and reported on by several independent researchers, including Berens, Park, Pfau, Veenendaal, Vonk, and Gaunt. A summary of their individual findings is as follows: ƒ Water quality can be affected if organic soil contaminants are able to permeate water pipe walls or gasket materials. ƒ Organic solvents of sufficient concentration have demonstrated their ability to permeate through elastomeric gaskets, thermoplastic pipes, and asbestos cement pipes.
1 Chemical resistance* of PVC pipe (continued) 73°F 140°F Chemical (23°C) (60°C) Chemical Potassium permanganate, R N Stearic acid 25% Stoddard solvent Propane R R Succinic acid Propylene dichloride N N Sugars, aq Propylene oxide N N Sulfamic acid Pyridine N N Sulfate & sulfite liquors Pyrogallic acid R N Sulfur Sulfur dioxide, dry Rayon coagulating bath R R Sulfur dioxide, wet Sulfur trioxide, gas, dry Salicylic acid R R Sulfur trioxide, wet Salicylaldehyde N N Sulfuric acid, up to 80% Selenic acid, aq.