NMB coupling seals toxic gases

EagleBurgmann, Nova Magnetics, magnetic couplings, MagnetkupplungenThe high-efficiency NMB-16P-2R-45-SC magnetic coupling as a hermetic seal in a vertical pump. The process medium – a mixture of ammonia and propane – has very poor lubricating properties. The low temperature (-45 °C (-49 °F)) plays a decisive role in the choice of materials.