Washers T21-2 1/4" T21-2.25" Type 21-2 1/4" Elastomer Bellows Mechanical Seals For Shaft Size 2.25 Inch Pumps SIC/SIC/VIT Temperature -20°C ~ +150°C Pressure up to 8 bar g Speed Up to 10m/s Medium Water oil ect weak corrosive medium