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  • 产品名称：Direct-Drive High Vacuum Pumps, Welch*

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简单介绍：
These compact, lightweight direct-driven, two-stage rotary vane high vacuum pumps range in free air displacement from 51 to 320L/min. with ultimate pressure to 1x10-4 torr. Pumps are portable
详情介绍：
产品货号 描述
vwr54970-515 Model 8905; 115V, 60Hz, 1Ph; Each;
vwr54970-540 Model 8920; 115V, 60Hz, 1Ph; Each;
vwr54970-622 Model 8907; 230V, 50Hz, 1Ph; Each;
vwr54970-624 Model 8912; 230V, 50Hz, 1Ph; Each;
vwr54970-626 Model 8917; 230V, 50Hz, 1Ph; Each;
vwr55009-070 Model 8925; 115V, 60Hz, 1Ph; Each;
vwr55009-084 Model 8907; 115V, 60Hz, 1Ph; Each;
vwr55009-086 Model 8912; 115V, 60Hz, 1Ph; Each;
vwr55009-088 Model 8917; 115V, 60Hz, 1Ph; Each;

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