Liquid Level Switches feature foam-filled plastic float.
Press Release Summary:
Custom manufactured with choice of 1, 2, 4, or 5 in. between high and low set points, Model L-21N is made of Noryl while Model L-21VCR is designed for corrosive liquids. Single switch, pump up/pump down liquid level switches have closed cell, plastic, foam-filled float that alleviates nuisance switching induced by turbulence or wave action. Electrical connection options include special switch contacts for dry circuit interface with computers.
Original Press Release:
Buoyant Foam Filled Float
The single switch pump up/pump down liquid level switch from Harwil Corp has been improved with the addition of a foam filled plastic float giving the switch greater buoyancy in low specific gravity liquids. The L-21N (Noryl) and the L-21VCR (for corrosive liquids) are custom manufactured with a choice of four level spans of 1, 2, 4,or 5" between high and low set points. The closed cell, plastic, foam filled float, alleviates nuisance switching induced by turbulence or wave action. Electrical connection options include special switch contacts for dry circuit interface with computers. Harwil Corp's Fluid Flow and Liquid Level Switches are custom manufactured at low-cost and high quality. Specifications, technical assistance, and special quantity pricing are available at Harwil Corp, 541 Kinetic Dr., Oxnard, CA 93030, www.harwil.com, harwil@harwil.com, (805) 988-6800 or (805) 988-6804 FAX.
