Buying Guide

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Pressure/Temperature Ratings
Carbon and Stainless Steel Ball Valves • Threaded, Socket, and Butt Weld Ends • Two and Three-Piece Carbon/Stainless
T-580-CS and S6
1/2"-1"
T-580-CS and S6
1 ¼-2"
Shaded area refers to recommended seat rating.
Chemical Compatibility
Please consult the most current edition of the NIBCO Chem-Guide for recommendations regarding chemical compatibility of material exposure to specific media and media-treatment additives. The
NIBCO Chem-Guide is a general guide on the topic of chemical compatibility and is by no means an exhaustive resource on the subject. Ultimately, proper material selection is the responsibility of the
installer and/or end-user, taking into account all aspects of a system’s design and intended use.
Galvanic Potential in Piping Systems
Galvanic corrosion or dissimilar metal corrosion is an electrochemical process that is created through the electrical interaction of two different metals under the influence of a conductive media (i.e.
an electrolyte). An electrolytic cell, much like a battery, is generated by these dissimilar metals using water as the electrolyte. The electrical charge, developed within the electrolytic cell, drives a
preferential attack on the more electrically active metal with the water acting as the recipient of the discarded metal ions. Such galvanic attack is often encountered in service where iron or steel
components are installed, and later corrode, in a largely copper piping system. Please consult NIBCO Technical Bulletin NTB-0714-01 Dielectric Products Relative to Electrolysis and Galvanic Corrosion.
Revised 11/20/2017