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Donghao
Flexible Stainless Steel Tubing
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
Expansion Joint and Vacuum Hose
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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.
