Chesterton’s Style 1830 is an Advanced Expanded Graphite PTFE packing. Style 1830 was developed to meet the rigid specifications in pumps,agitators, mixers and other rotating equipment. The PTFE-Resin is combined with graphite and expanded by using the latest technologies, resulting in a high quality filament.
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Size (Inch): 3/16 to 1 inch crossection (4,7 mm to 25,4 mm) Pressure: 200 psig (14 bar g) Temperature: Max temp 500° F (260° C) Chemical Resistance: pH range: 0 to 14 with the exception of strong oxidizers in the 0 to 2 pH range Speed: 3600 fpm (18 m/s)