Pressure

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2007 EDITION OF AWWA C900

In 2007, AWWA C900 PVC Pressure Standards were changed to reflect experience with PVC pipe products in municipal applications for over 30 years, current research into PVC performance and harmonizing various PVC pressure pipe standards. This article explains the new pressure classes of DR14-305 psi, DR18-235 psi and DR25-165 psi PVC pipe products. Pipe wall thicknesses and dimensions stayed the same with this change.

CYCLIC TESTING OF PVC PIPE

An article entitled "PVC Pressure Pipe Endures Over Ten Million Cycles" discusses research on PVC performance under cyclic loading.

HYDRAULICS

Water and sewer hydraulic design are reviewed in Chapter 9 of the Handbook of PVC Pipe Design

PVC PRESSURE PIPE STANDARDS FOR WATER MAINS

A fact sheet summarizing PVC Pressure Pipe Standards for Water Mains.

UNI-PUB-14: INTRODUCTION TO MOLECULARLY ORIENTED POLYVINYL CHLORIDE (PVCO) PIPE

Molecularly Oriented PVC Pipe — PVCO: light-weight, thinner-walled alternative with the same pressure capacity as thicker-walled PVC pipe.

UNI-TR-06: FORCE MAIN DESIGN GUIDE FOR PVC PIPE

Guide for PVC sewer force mains uses recently developed method for cyclic-fatigue design.

UNI-TR-08: HYDRAULIC TESTING OF PVC PIPE: LABORATORY AND FIELD TESTS CONFIRM FLOW COEFFICIENTS

Recent hydraulic research on new and in-service PVC pipe has confirmed that industry-recommended flow coefficients are conservative for design of pressure and non-pressure pipes.

UNI-TR-09: HYDRAULIC ANALYSIS: PUMPING COSTS FOR PVC AND DUCTILE IRON PIPE

This technical report examines head loss and pumping costs over 100-years for PVC and ductile iron pipe.