The R-31U single mechanical seal is a single unbalanced bellows type seal used at temperatures from -40 to + 150°C, with pressures up to 1.5 MPa and rotational speeds of 13 m/s. It is used in a variety of media such as aggressive chemicals, oils, greases, etc. It is often used in sewage pumps, drainage pumps and the food industry. Seal analog: PAS Type 21 / 31 (UK Standard) Mechanical seal for Wilo pump, K, KM, X, АХ, AHP, АХ, Calpeda, DAB, Ebara, Grundfos, for KSB pump, Allweiler, SALMSON, ACD Cryo, Flygt, IMP Pumps, LOWARA, PENTAX, Foras, Fristam, for SPERONI, ZENIT, Inoxpa, JL, Johnson pump, KOLMEKS, Pedrollo, SAER, Vulcan, WQ, WQK, for Tuchenhagen, ALFA LAVAL, Donjoy, Mission Magnum pump.
