Page 364 - Centrifugal Pumps 2E

Chemical Pumps Metallic and Nonmetallic 329

Material Selection

A selection of corrosion resistant materials is shown on Table 15-4.

Table 15-4
Thermoplastics Corrosion Resistance Guide
Key: A Acceptable Q Questionable NR Not Recommended
__
My- 200°F 200°F Alu-
Phenylene 200°F 2QO°F 2QO°F My- 200°F 2(XJTMycar-316Cartx>nmiiiam
Media Sulfide Rsnton Kynar Teflon sulfone Noryl Nylon bonate SS Steel 3003
200°F
R>ly- 2QO°F 200°F Aki-
Phenytene 200°F 200°F 200°F R>ly- 200°F2(X)TB3lycar-316Cartxminmum
Media Sulfide Penton Kynar Teflon sulfone Noryl Nylon bonate SS Steel 3003

* Polyphenylene mlfide grades containing glass fiber and/or mineral fillers will be less chemical
resistant than indicated.

Information taken from Phillips Petroleum Corrosion Resistance Guide

References

ASME B73.1M—1991, American Society of Mechanical Engineers.
ASME B73.2M—1991, American Society of Mechanical Engineers.
Fegan, D., "Everything You Always Wanted to Know About Sealless
Pumps," October 8,1986, presented at American Institute of Chemical
Engineers, Memphis Section.
Hydraulic Institute Standards, 14th Edition.