Single mechanical seal R-152T with PTFE bellows, independent of the direction of shaft rotation, for external installation. Analogue of seals John Crane 10T, 113, 153/153, used to replace seals in chemical pumps X, XM, AX, etc. The stationary part is made of ceramics with fluoroplastic gaskets. Used at temperatures from -40 to + 200°C, with a pressure of up to 0.5 MPa and a rotation speed of up to 3000 rpm. Mechanical seal for pump Wilo, K, KM, X, AH, AHP, AH, Calpeda, DAB, Ebara, Grundfos, for pump KSB, Allweiler, SALMSON, ACD Cryo, Flygt, IMP Pumps, LOWARA, PENTAX, Foras, Fristam, for pump SPERONI, ZENIT, Inoxpa, JL, Johnson pump, KOLMEKS, Pedrollo, SAER, Vulcan, WQ, WQK, for pumps Tuchenhagen, ALFA LAVAL, Donjoy, Mission Magnum.