250 Installation Instructions Operating Conditions Materials Sizes 25 mm to 120 mm Faces CB, SSC (1.00" to 4.75") Pressure 711 mm or 28" Hg Vacuum Elastomers FKM, EPDM, FEPM, ChemLast™ to 20 bar g (300 psig), 10 bar g (150 psig) outboard Temperature -55°C to 300°C (-67°F to 570°F) Metals 1.4401 (316SS) Speed 20 m/s (4000 fpm) Springs 2.4819 (Alloy C-276) 180™ index Installation Instructions 10 Sealing Solutions for Rotating Equipment SEALING SOLUTIONS FOR ROTATING EQUIPMENT Fits ISO-3069, ASME B73.1, B73.2 280™ Operating Conditions Materials Sizes 25 mm to 120 mm Faces CB, SSC, TC (1.00" to 4.75") Pressure 711 mm or 28" Hg Vacuum Elastomers FKM, EPDM, FEPM, ChemLast™ to 40 bar g (600 psig), 17 bar g (250 psig) outboard Temperature -55°C to 300°C (-67°F to 570°F) Metals 1.4401 (316SS) Speed 25 m/s (5000 fpm) Springs 2.4819 (Alloy C-276) Fits ISO-3069, ASME B73.1, B73.2, ATEX Category I, Group 2 approved *Extended motion capability available in 280M version. n High-reliability sealing n Maximum solids handling capability n Superior performance for demanding applications n Motion tolerant for mixer applications* Heavy Duty Cartridge Dual Seal A dual seal design for severe duty and greatest reliability in difficult applications—including mixers and agitators*. n Provides sealing security that conventional single seals cannot match n Reliable cartridge design that increases seal life General Purpose Cartridge Dual Seal Designed for cost-effective upgrading from packing and under-performing single seals— this seal is a value leader in its class, further increasing plant reliability. Operating Conditions Materials Sizes 25 mm to 120 mm Faces CB, SSC, TC (1.00" to 4.75") Pressure 711 mm or 28" Hg Vacuum Elastomers FKM, EPDM, FEPM, ChemLast™ to 40 bar g (600 psig) outboard Temperature -55°C to 300°C (-67˚F to 570˚F) Metals 1.4401 (316SS) Speed 25 m/s (5000 fpm) Springs 2.4819 (Alloy C-276) Fits ISO-3069, ASME B73.1, B73.2 n Maximum performance for demanding, high-torque applications n Reliable sealing of slurries n Suited for the broadest range of applications Heavy Duty Single Seal A compact chassis designed with ease of use and no modification. Advanced design features yielding “next step” single seal technology. Installation Instructions
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