The R-706B mechanical bellows mechanical seal is used in Grundfos pumps: CH, CHI, CHE, CRK, SPK, TP, AP CR, CRN, NK series pumps, TP LM (D) / LP (D), NM / NP, DNM / DNP series pumps. Standard shaft diameter: 12 mm, 16 mm, 22 mm R-706B-12mm: Grundfos article: 96409293 / 96409263 / 00405096 / 00405097. R-706B-16mm: Grundfos article: 96409265 / 00485351 / 00425062 / 00425063 / 00425063. Mechanical seal for the pump Wilo, K, KM, X, AH, AHP, AH, Calpeda, DAB, Ebara, Grundfos, for the pump KSB, Allweiler, SALMSON, ACD Cryo, Flygt, IMP Pumps, LOWARA, PENTAX, Foras, Fristam, for the pump SPERONI, ZENIT, Inoxpa, JL, Johnson pump, KOLMEKS, Pedrollo, SAER, Vulcan, WQ, WQK, for Tuchenhagen, ALFA LAVAL, Donjoy, Mission Magnum pump.