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Odds and endsDoes your company ever install underground, insulated hot or super-chilled water lines? Then you know the process: Dig a trench and put crews of men to work long hours assembling steel pipe with foam insulation filling a steel jacket, which eventually becomes clogged and corroded with age. There filtersforstandbygenerators is a better way.A company called Ecoflex now has pre-assembled and insulated lengths of single and dual-pipe runs -- as long as 650 ft. -- that can be laid quickly by a minimal crew. Cross-linked polyethylene pipe is available in sizes to 4 in. and all surfaces are smooth as well as non-corrodable, and the insulation doesn''t absorb water. Iron-base alloys, the most widely used hardfacing materials, combine versatility with moderate cost. They achieve wear resistance filtersforstandbygenerators by forming carbides and martensite, a hard matrix structure that forms on quenching and toughens with tempering. Pearlitic alloys, usually containing less than 0.30 percent carbon, are comparatively soft and ductile.Nickel-base alloys resist corrosion and heat better than iron-base alloys, They come in three types, depending on the hard phase (boride, carbide, or Laves) that forms on cooling, In boride-containing alloys, large amounts of chromium borides provide wear resistance.Cobalt-base alloys provide more high-temperature corrosion resistance than iron-base and nickel-base filtersforstandbygenerators grades. Carbides filtersforstandbygenerators or Laves-phase give wear resistance. ©2003 www.standbygenerator.net. All rights reserved. |