Welch® W Series Vacuum Pump, model 8917A is manufactured by Gardner Denver Thomas. This product consists of a fault indicator light, easy to pour water valve and three position gas ballast control device. It is designed to be cool and quiet for long life and top performance.
Specification
Description: Inlet connection NW 25. Feature: CSA approved, hose barb adapter 7/16 in., vacuum pumping speed≤ 30,000 torr. Availability: not available in EU. Pumping speed: 6.1 cfm (173 L/min). L × W × H: 18.5 in. (47.1 cm) × 6.5 in. (16.5 cm) × 9.6 in. (24.3 cm). Weight: 60 lb (27.3 kg).