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Pump; Welch DuoSeal model 1397; Hi-vacuum; 2-stage; Single phase; Free air displacement 17.7cfm; Ultimate vacuum 1x10-4 torr; 1hp motor; 400rpm pump speed; Oil cap. 1.25 qt.; 26x13.7x18.75 in.; 224 lb; 115V 60Hz, 13.4/6.7A
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Pump; Welch DuoSeal model 1405; Hi-vacuum; 2-stage; Single phase; Free air displacement 3.2cfm; Ultimate vacuum 1x10-4 torr; 1/2hp motor; 525rpm pump speed; Oil cap. 0.25 qt.; 20x12x15 in.; 128 lb.; 115V 60Hz, 8.8/4.4A
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Pump; Welch DuoSeal model 1402; Hi-vacuum; 2-stage; Single phase; Free air displacement 5.6cfm; Ultimate vacuum 1x10-4 torr; 1/2hp motor; 525rpm pump speed; Oil cap. 2.25 qt.; 20x12x15 in.; 128 lb.; 115V 60Hz, 8.8/4.4A
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Pump; Welch DuoSeal model 1399; Hi-vacuum; 1-stage; Single phase; Free air displacement 1.2cfm; Ultimate vacuum 1.5x10-2 torr; 1/3hp motor; 750rpm pump speed; Oil cap. 0.5 qt.; 17x9x10 in.; 61 lb; 115V 60Hz, 5.9A
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