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  • 50-Amp Rotary Switch for Forward/Reverse Applications
    Responding to demand, Cole Hersee now offers a 50A DPDT switch with heavy duty components that deliver continued reliability. Constructed with heavy gauge (3/32" thick) terminals and silver-laminated contacts to resist arcing over a long working life. With three positions: Momentary On - Off
  • Metallic looks that last
    . With porcelain-enamel coatings called Evolution, designers can fabricate the range from 24-gauge plain steel instead of 300 Series stainless. The coating would go on as a 0.002-in. (2-mil) ground coat and a 0.004-in. (4-mil) cover coat. Using general market prices from May '07, the metallic-look porcelain
    lined Teflon (PTFE) valves in DuPont Dow Elastomers' Pontchartrain plant, La Place, La., were prone to failure when 18 C liquid chloroprene permeated the Teflon lining and made it swell. But new butterfly valves made with Teflon NXT resist absorption of chloroprene and a whole host of other caustic

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