Home > Engineering Data > Introduction

Engineering Submital Data
Introduction


According to the scientific community, our world has the same volume of water today as we had when the world began, down to the exact drop. Given this fact, the world's water supply is a critical component of our lives, and each of us is obligated to do everything possible to maintain the quality of this very precious resource. At Vassallo, we have made it our primary business to develop PVC products used in the handling, processing, and recycling of water and wastewater. We hold over 30 patents in the United States and 25 foreign countries covering our unique gasket design, specialized pipe and fittings, and other PVC innovations.

The average water use in the United States is well over 500 billion gallons per day. It is estimated that 80% of this daily usage is returned to surface streams and groundwater supplies - most of it through drainage and sanitary sewer systems after treatment.. Because of the widespread problem of corrosion of non PVC pipe, and failures in older sanitary sewer lines, design engineers now choose materials based on their resistance to corrosion, quality, dependability of joints, and stability of installation. PVC has been the material of choice by design engineers for water applications and sanitary sewer systems throughout the world for the past 20 years.


The principal causes of corrosion of non PVC pipes are the combination of hydrogen sulfide gas, low flow velocities, and oversized pipe. Sulfuric acid and hydrogen sulfide corrosion can be minimized by designing a system, which maintains self-cleansing flow velocities, avoiding over-capacity which contributes to dead air pockets, and most importantly, by using materials which resist corrosion such as PVC. Quality joints reduce corrosion by promoting smooth flow of waste and preventing leakage. No piping material combines these qualities better than Vassallo'sVassallo's special formulated PVC are lightweight, easy to handle, and have excellent flow characteristics. Polyvinyl Chloride (PVC) pipe and fitting products. Fittings made from

In addition, Vassallo's PVC is non-sparking, and is not subject to galvanic or electrolytic action, even when metals are present. Since our PVC fittings have exceptionally smooth interior surfaces, there is very little fluid head loss.

This page provides technical engineering data for Vassallo's ASTM D-3034, ASTM F-679 Non Pressure SDR-35 and SDR-26 Sewer fittings, in addition to our SCH-40 Drainage Fittings. Vassallo produces the industry's most complete line of SDR-35 gaskets (4" to 27"), solvent weld (4" to 15"), gasket SDR-26 (4" to 15") and Scheduie-40 Drainage fittings. Distribution of Vassallo fittings in the United States and Canada is made through a central warehouse located in LakeWales, FL, and other regional warehouses strategically located throughout the United States. Our world class, state-of-the-art-manufacturing facilities are located in Ponce, Puerto Rico, and Siloam Springs, Arkansas.