Single unloaded seal R-GNZ with arbitrary shaft rotation direction. The springs of the R-GNZ series mechanical seals are protected from contact with the medium, making these seals ideal for highly viscous media and media containing solid particles, such as in the sugar or paper industry, or wastewater. Durable, reliable, no sticking or clogging of springs.
Used in Grundfos, Hilge Pumps, Sterling Sihi DRVA 0401 AB AFK4B4 5102 and other pumps.