Flowserve 51 Series User Manual | Page 6 / 8 | Also for: 52 Series, McCANNA General Purpose Threaded, MARPAC General Purpose Threaded, Cartridge Seals, 582 Mixerpac, 2561 Mixerpac, 2562 Mixerpac, 579 Mixerpac, 2563 Mixerpac, 2564 Mixerpac, 591 Mixerpac, 581 Mixerpac, 587 Mixerpac, ML-200 Mixerpac, 2577 Mixerpac, 2554 Mixerpac, 588 Mixerpac, 585 Mixerpac, Seal Gard, Circpac MD, Nordstrom Dynamic Balance Plug Valve and Double DB Plug Valve, Serck Audco Super-H Plug Valve, Serck Audco Twin Isolation Plug Valve, Serck Audco Double Isolation Plug Valve, Serck Audco Standard Type Plug Valves