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  • 产品名称：Vacuum Pumps, Two-Stage Belt-Drive, DUOSEAL* Series, Welch*

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简单介绍：
These pumps operate at a low rpm which allows them to run cooler and reach a lower ultimate pressure (1 x 104 torr), with less backstreaming. Operating at low speed also reduces the rate of fr
详情介绍：
产品货号 描述
vwr54970-602 Model 1400 Series — 25 L/min. (0.9 cfm) Free Air Displacement; CE-Listed Pump (Schuko Plug); 220V, 50Hz; Each
vwr54970-604 Model 1405 Series — 91 L/min. (3.2 cfm) Free Air Displacement; CE-Listed Pump (Schuko Plug); 220V, 50Hz; Each
vwr54970-606 Model 1402 Series — 160 L/min. (5.6 cfm) Free Air Displacement; CE-Listed Pump (Schuko Plug); 220V, 50Hz; Each
vwr54970-612 Model 1374 Series — 650 L/min. (23.3 cfm) Free Air Displacement; CE-Listed Pump (Schuko Plug); 220V, 50Hz; Each
vwr54973-075 Model 1400 Series — 25 L/min. (0.9 cfm) Free Air Displacement; Vacuum Pump; 115V, 60Hz; Each
vwr54973-084 Model 1400 Series — 25 L/min. (0.9 cfm) Free Air Displacement; CSA Certified Pump; 115V, 60Hz; Each
vwr54973-087 Model 1400 Series — 25 L/min. (0.9 cfm) Free Air Displacement; Vacuum Pump; 230V, 60Hz; Each
vwr54973-133 Model 1400 Series — 25 L/min. (0.9 cfm) Free Air Displacement; Unmounted Pump; Each
vwr54973-213 Model 1400 Series — 25 L/min. (0.9 cfm) Free Air Displacement; Explosion-Proof Pump; 115V, 60Hz; Each
vwr54974-238 Model 1405 Series — 91 L/min. (3.2 cfm) Free Air Displacement; Vacuum Pump; 115/230V, 60Hz; Each
vwr54974-247 Model 1405 Series — 91 L/min. (3.2 cfm) Free Air Displacement; CSA Certified Pump; 115/230V, 60Hz; Each
vwr54974-262 Model 1405 Series — 91 L/min. (3.2 cfm) Free Air Displacement; Explosion-Proof Pump; 115V, 60Hz; Each
vwr54976-029 Model 1402 Series — 160 L/min. (5.6 cfm) Free Air Displacement; Vacuum Pump; 115/230V, 60Hz; Each
vwr54976-035 Model 1402 Series — 160 L/min. (5.6 cfm) Free Air Displacement; Pump with Refrigerator Service; 115/230V, 60Hz; Each
vwr54976-038 Model 1402 Series — 160 L/min. (5.6 cfm) Free Air Displacement; CSA Certified Pump; 115/230V, 60Hz; Each
vwr54976-053 Model 1402 Series — 160 L/min. (5.6 cfm) Free Air Displacement; Explosion-Proof Pump; 115V, 60Hz; Each
vwr54976-110 Model 1402 Series — 160 L/min. (5.6 cfm) Free Air Displacement; Unmounted Pump; Each
vwr54987-070 Model 1376 Series — 300 L/min. (10.6 cfm) Free Air Displacement; Vacuum Pump; 115/230V, 60Hz; Each
vwr54993-345 Model 1397 Series — 500 L/min. (17.7 cfm) Free Air Displacement; Vacuum Pump; 115/230V, 60Hz; Each
vwr54993-360 Model 1397 Series — 500 L/min. (17.7 cfm) Free Air Displacement; Vacuum Pump; 230/460V,60Hz; Each
vwr54993-505 Model 1374 Series — 650 L/min. (23.3 cfm) Free Air Displacement; Vacuum Pump; 115/230V,60Hz; Each
vwr54993-517 Model 1374 Series — 650 L/min. (23.3 cfm) Free Air Displacement; Vacuum Pump; 230/460V,60Hz; Each

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