Cartridge mechanical seal

pumpmetalsteel

Single seal Cartridge Balanced Independent of direction of rotation Single seals without connections (-SNO), with flush (-SN) and with quench combined with lip seal (-QN) or throttle ring (-TN) Additional variants available for ANSI pumps (e.g. -ABPN) and eccentric screw pumps (-Vario) Advantages Ideal seal for standardizations Universal applicable for packings conversions, retrofits or original equipment No dimensional modification of the seal chamber (centrifugal pumps) necessary, small radial installation height No damage of the shaft by dynamically loaded O-Ring Extended service life Straightforward and easy installation due to pre-assembled unit Individual adaptation to pump design possible Customer specific versions available Operating range Cartex-SN, -SNO, -QN, -TN, -Vario Shaft diameter: d1 = 25 ... 100 mm (1.000" ... 4.000") Other sizes on request Sliding face material combination BQ1 Sliding velocity: vg = 16 m/s (52 ft/s) Sliding face material combination Q1Q1 or U2Q1 Sliding velocity: vg = 10 m/s (33 ft/s) Axial movement: ±1.0 mm, d1 ≥75 mm ±1.5 mm Materials Seal face: Silicon carbide (Q1), Carbon graphite resin impregnated (B), Tungsten carbide (U2) Seat: Silicon carbide (Q1) Secondary seals: FKM (V), EPDM (E), FFKM (K), Perflourocarbon rubber/PTFE (U1) Springs: Hastelloy® C-4 (M) Metal parts: CrNiMo steel (G), CrNiMo cast steel (G) Recommended applications Process industry Petrochemical industry Chemical industry Pharmaceutical industry Power plant technology Pulp and paper industry Water and waste water technology Mining industry Food and beverage industry Sugar industry Universally applicable Centrifugal pumps Eccentric screw pumps Process pumps