Cartridge seal R-ZF - a series of single seals that do not require external cooling. The seal has no moving parts on the shaft, so it can be installed directly on the shaft, without an additional sleeve. The springs are reliably isolated from the product, which prevents them from clogging. R-ZF - a reliable, economical and durable seal designed for the paper industry. Application: without additional pump modification suitable for Ahlstrom / APP / Sulzer / ABS Scan 35 mm -Sulzer 1, 38 mm - ABS Scan 1, 40 mm - Sulzer 2, 45 mm - Sulzer 2, 48 mm - ABS Scan 2, 50 mm - Sulzer 3, 50 mm - KEST H, 55 mm - Sulzer 3, 60 mm - Sulzer 4, 60 mm - KEST L, 65 mm - Sulzer 4, 65 mm - ABS Scan 3, 70 mm - KEST P, 75 mm - ABS Scan 4, 80 mm - Sulzer 5, 85 mm - Sulzer 5, 85 mm - KEST R, 90 mm - Sulzer 6, 95 mm - Sulzer 6, 100 mm - ABS Scan 5. Type: Chesterton ZF (Zero Flush seal) Pressure: ≤2 MPa Speed: ≤25 m/s Temperature: ≤+260ºC Rotating ring: SiC/Carbon/TC Stationary ring: SiC / TC Secondary seals: VITON / Encapsulated Ring / PTFE