Repairable Hand-Operated Vacuum Pumps with Vacuum Gauge
Nalgene (Thermo Scientific Inc.)
These durable, repairable PVC pumps with attached vacuum gauge easily and quickly attain and hold vacuum of 25 in. (635 mm) Hg. Vacuum trigger release requires only one hand to operate and releases vacuum with the touch of an index finger. Adjustable vacuum release rate. Smaller size (P9050-1) has pumping rate of 15 cc/stroke and 7 psig (.48 bar) positive pressure at the exhaust port. Larger size (P9050-2) has rate of 36 cc/stroke and 12 psig (.84 bar) positive pressure at the exhaust port. Full blank port pressure is obtained with only two strokes. Removable cover on exhaust port and trigger to release vacuum without disconnecting pumps from the line. Can be disassembled for repair or replacement of internal parts. See P9064 for repair kit. Nozzle fits standard 1/4-in. I.D. tubing. Supplied with two-ft. length of NALGENE 180 Clear Plastic Tubing.
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