Series 660/680 Pumps Solve Medical Device,


Series 660/680 WOB-L® Piston pumps from Thomas incorporate a package of features to provide clean
air-flow, long life, excellent efficiency, low noise and low vibration. These pumps are well-suited to a
variety of medical and environmental applications, including oxygen concentrators, blood analyzers,
dental carts and ozone generators.
The pumps' oil-less pistons and cylinders, plus efficient
intake filters, ensure a non-contaminated air flow.
Stainless steel valves, high-performance piston seals,
hard-coated aluminum cylinders and permanently
lubricated bearings offer long-life performance. Wetted
aluminum parts are treated for corrosion protection.
The pumps' single-phase AC motors are of ultrareliable
permanent split capacitor design, which eliminates the
need for a starting switch.
Series 660/680 pumps provide up to 28.5 in. Hg (-965 mbar) of vacuum, or 45 psi (3.1 bar) of pressure.
Maximum flow is rated at 2.37 CFM (67.1 LPM).
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