Where discharge temperatures are a problem over 500 PSI, in non-lube and 2500 PSI, in lubricated service, the AAVOLYN Type 260/230 PBU pressure balanced design with back up ring is recommended to optimize ring life.
Where discharge temperatures are a problem over 500 PSI, in non-lube and 2500 PSI, in lubricated service, the AAVOLYN Type 260/230 PBU pressure balanced design with back up ring is recommended to optimize ring life.
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