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Donghao
Flexible Hose Assemblies
Corrugated Flexible Stainless Steel Tubing is now available from Donghao
Tubular Products
Donghao braided
corrugated hose is a high quality general purpose industrial hose.
It is produced in carbon steel, stainless steel (types 304, 316
and 316L) and many others. The corrugated hose is manufactured from
a cylindrical, thin walled tube formed from rolled strip and joined
at the seam by butt welding. Impressed into this tube is a corrugated
annular or helical profile.
 The
thickness of the metal strip, the height of the corrugations and
the number of corrugations per foot all affect the performance characteristics
of metal hose. Flexibility in corrugated hose is the result of the
bending of the metal corrugations. Service life varies depending
upon the severity of the flexing, the temperature, corrosive conditions,
pressure and vibration to which the hose is subjected.
Unless restrained, corrugated hose will elongate when subjected
to increasing internal pressure. This restraint is provided by a
braided covering, consisting of a tubular sheath of woven metal
wires fitted tightly over the corrugated hose and secured at each
end. Flexibility of the corrugated hose is not appreciably affected
by this wire braid covering. In addition, the braid provides squirm
support and dampens vibration. In higher pressure applications,
the use of additional braid covers will provide additional working
pressure. Unbraided hose is satisfactory for vacuum and low pressure
applications.
Products List: Download flexible_metal_hose.pdf
(10.8 MB)
General Purpose Industrial Hose
Vacuum Hose
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