美VWR真空干燥器Space Saver Vacuum Desiccators, SCIENCEWARE®Supplier: Bel-Art 真空干燥器持有740mm汞真空（29“）24小时。光，强，防碎。密封不受冷（0°C）。独特的真空保持阀慢慢把聚乙烯插入操作。阀采用6.4mm（1 / 4“）内径管。上段是牢不可破的，透明的聚碳酸酯。下段为聚丙烯或聚碳酸酯。槽成型底部法兰是氯丁橡胶O形圈。真空线连接的上半部，离开下，承载部分自由移动Hold vacuum of 740mm of Hg （29"） for 24 hours. Light, strong, shatter-proof. Seal unaffected by cold （0°C）. Unique vacuum retention valve operated by slowly turning polyethylene plug. Valve takes 6.4mm （1/4"） I.D. tubing. Upper section is unbreakable, transparent polycarbonate. Lower section is polypropylene or polycarbonate. Groove molded into flange of bottom section holds neoprene O-ring. Vacuum line connects to upper half, leaving lower, load-carrying section free to be moved Clear Polycarbonate Bottom | Supplier No. | Inner Diameter | For Plate Dia. | Flange O.D. | Height | VWR Catalog Number | Unit | Unit | | 420120000 | 149 mm | 140 mm | 171 mm | 206 mm | 24988-233 | Each （149.0 MM） | Each | | 420220000 | 197 mm | 190 mm | 230 mm | 260 mm | 24988-255 | Each （197.0 MM） | Each | | 420270000 | 240 mm | 230 mm | 273 mm | 311 mm | 24988-277 | Each （240.0 MM） | Each | Polypropylene Bottom | Supplier No. | Inner Diameter | For Plate Dia. | Flange O.D. | Height | VWR Catalog Number | Unit | | 420200000 | 197 mm | 190 mm | 230 mm | 260 mm | 24988-164 | Each | | 420100000 | 149 mm | 140 mm | 171 mm | 206 mm | 24988-131 | Each | | 420250000 | 240 mm | 230 mm | 273 mm | 311 mm | 24988-197 | Each |   更新时间：2023/9/4 10:30:30
标签：真空干燥器 |
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