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  • We are having an issue with the GR series multi-couplers experiencing corrosion in a very high (100%) humidity environment used for mining applications. Do you have a better option with corrosion resistant couplers that will maintain a tight seal?
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The Stucchi FAQ series is currently the most corrosion resistant coupling that can be used in the GR series multi-coupler plate. The FAQ series includes a QPQ body and 316 stainless steel valve components; however, does not include connect under residual pressure capabilities. The next best GR series compatible coupling series is the FAP-ZN which uses a zinc-nickel plated carbon steel body and allows for connection with residual pressure.

(The FAQ is currently not listed on the site, please contact us for more information)