Mechanical seal for pump shaft KSB R-MG1S6 with central spring, bellows type, independent of the direction of rotation of the shaft. For internal location and operation in low-viscosity liquids with a small content of abrasives. Standards EN 12756. Used in KSB pumps. Type: Burgmann MG1S6, KSB NU028, DIN KSB-ZN118, NU028SO-1 ZN1181, MG1S6 / 28-G61, AESSEAL B02K, Flowserve KZN, Vulcan 192K. Temperature: -20 ° ~140 ° Pressure: ≤1.6 MPa Speed: ≤10 m / sec Material • Rotating ring: CAR / SIC • Stationary ring: SIC. • Bellows: NBR / EPDM / VITON. • Spring: SS304 / SS316. • Metal parts: SS304 / SS316