Description
Chapman, Swirling-Type, Nickel-plated, designed for greater air entrainment capacity. 3/8 in. NPT tapered Water Inlet, 5-3/8 in. (137 mm) Length. Humboldt Aspirator Filter Pumps offer excellent performance for vacuum filtrations under both high and low water pressure conditions. The pumps feature a ball-type, positive-action valve in the suction tube which prevents water backflow if the pressure is reduced. Supports ASTM D4 standards.
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