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Bench Scales

Versatile, durable, weighing scales for workstations and benchtops, suitable for laboratories, classrooms, or field work; typically includes a large weighing pan and small footprint, with an integrated or pole-mounted readout.

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Sigma Aldrich Fine Chemicals Biosciences AldrichR lecture bottle st1EA

For mildly-corrosive and high-purity gas applications. Purge valve sits between the lecture-bottle and regulator to purge system with inert gas to remove air moisture and process gas to maintain high-purity conditions and to minimize gas hydrolysis and corrosion damage to equipment. A check valve at purge inlet prevents backflow of gas. Purge system with dry inert gas before introducing mildly corrosive gases and again immediately after use.Regulator specifications Single stage panel-mounted stainless steel body and pressure diaphragm cartridge type seat PCTFE PTFE and PCTFE seals self seating type relief valve 2 inch diameter stainless steel gauges helium leak rate tested at 1 x 10-8 ssc/sec. 3000 psig maximum inlet pressure 0-80 psig delivery range Stainless steel outlet needle valve with 1/4 in. NPTF connection.T-Purge valve specifications 316L stainless steel body and diaphragm-seal valve 3000 psig maximum inlet pressure inlet check-valve with 1/4 in. NPTF connection

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