The Viking Mag Drive® 855 series internal gear pumps are said to offer reliability through the robust, sealless design, which eliminates seal leakage. The pump’s driver turns an outer magnet, whose force passes through a stationary O-ring-sealed canister to turn an inner magnet, which drives the pump shaft without the need for seals. Features of pump series include adjustable end clearance to maximize efficiency and ANSI- or DIN-flanged ports for sealing reliability. The pumps may be close-coupled to NEMA C or IEC B5-flange motors, or long coupled. Long field life and reduced downtime are said to be ensured by a thrust-controlled design that allows short-term run dry capabilities. Viking Pump.
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