Buying Guide

38
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Visit www.nibco.com for current Chem-Guide and galvanic potential in piping systems information.
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Revised 7/20/2018
F-667-O
Rising Stem • Solid Wedge
Sizes 2" thru 12" Flanged
Page 51
F-619-RWS/MJ-619-RWS
P-619-RW/PCR-619-RW/FPCR-619-RW
Non-Rising Stem • Resilient Wedge
Sizes 2" thru 16" Flanged
Sizes 3" thru 16" Mechanical Joint
Sizes 2" thru 12" IPS Push On
Sizes 4" thru 12" C509 Push On
Sizes 4" thru 12" C509 Push On by Flanged
Page 46–50
Iron Gate Valves
Illustrated Index
Iron Body Gate Valve
Outside Screw and Yoke
125 lb. SWP
200 lb. CWP
F-617-O/ F-617-OTP/F-617-ON
T-617-O/T-617-ON
Rising Stem • Solid Wedge
Sizes 2" thru 24" Flanged
Sizes 2" thru 4" only Threaded
Page 39-42
Iron Body Gate Valve
Inside Screw
125 lb. SWP
200 lb. CWP
F-619/F-619-N
T-619/T-619-N
Non-Rising Stem • Solid Wedge
Sizes 2" thru 16" Flanged
Sizes 2" thru 4" only Threaded
Page 43, 44
Iron Body Gate Valve
Outside Screw and Yoke
Resilient Wedge
300 lb. CWP
F-607-RWS
Rising Stem • Resilient Wedge
Sizes 2¹⁄₂" thru 16" Flanged
Page 45
Iron Body Gate Valve
Inside Screw
250 lb. CWP
Iron Body Gate Valve
Outside Screw and Yoke
250 lb. SWP
500 lb. CWP
Iron Body Gate Valve
Inside Screw
250 lb. SWP
500 lb. CWP
F-669
Non-Rising Stem • Solid Wedge
Sizes 2" thru 12" Flanged
Page 52
Chemical Compatibility
Please consult the most current edition of the NIBCO Chem-Guide for recommendations regarding chemical compatibility of material exposure to specic 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 inuence 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.