Mechanical seal R-128 is used at temperatures from -20 to + 200°C, with a pressure of up to 0.8 MPa and a rotation speed of up to 10 m/sec. Areas of use: Petrochemical industry and wastewater treatment Sewage pumps, chemical pumps, screw pumps Other rotating equipment. Available with O-ring EPDM (ethylene-propylene-diene rubber) / VITON (fluororubber), as well as with a sealing ring made of PTFE (polytetrafluoroethylene). Friction pairs Carbon (graphite) / SIC (silicon carbide) / TC (tungsten carbide) Mechanical seal of pumps Wilo, 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.