The Type 1648 is a high-performance single cartridge pusher seal designed to help prevent emissions leakage in most refinery applications. It is applied in non-hydrocarbon, non-flashing hydrocarbon and flashing hydrocarbon services. Process leakage is further contained by standard incorporation of a floating throttle bushing.
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Qualification-tested per API 682
Complies with API 682 technical design requirements
Standard materials, per API 682
Fits API 682 Table 1 and 2 seal chambers
Computer-optimized, low-emission seal face designs