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These API-682 qualified seals assure minimum leakage and maximum Mean-Time-Between-Planned-Maintenance (MTBPM). Available as either single or dual shaft mounted designs, or for easier installation and higher reliability they can be designed in a catridge arrangement.
The Hastelloy® -C Type 670 has been successfully sealing highly corrosive fluids in the chemical and refinery industries for over 25 years. The 300 Serires stainless steel Type 676 has had similar success in less demanding applications. The all Alloy 20 Type 680 incorporates the advantages of high performance bellows seal technology for water, wastewater, refrigeration and other general process fluid applications.