The R-108D double mechanical seal is used at temperatures from -40 to + 120°C, with a pressure of up to 0.6 MPa and a rotation speed of up to 8 m/sec. Used in WQ pumps of the following types: 25 shaft- 50WQ20-15-1.5 30 shaft- 80WQ40-15-4.0 45 shaft- WQ100-15-7.5 Mechanical seal for Wilo pump, K, KM, X, AX, AXP, AX, Calpeda, DAB, Ebara, Grundfos, for KSB pump, Allweiler, SALMSON, ACD Cryo, Flygt, IMP Pumps, LOWARA, PENTAX, Foras, Fristam, for SPERONI pump, ZENIT, Inoxpa, JL, Johnson pump, KOLMEKS, Pedrollo, SAER, Vulcan, WQ, WQK, for Tuchenhagen pump, ALFA LAVAL, Donjoy, Mission Magnum.