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 Hubei sandblasting pipe

Hubei sandblasting pipe

  • Classification: Hubei sandblasting pipe series
  • Number of views: second
  • Date of issue: 2020-05-20 18:27:28
  • Product Overview
  • Performance characteristics
  • technical parameter

Sandblasting pipe It is also called rubber hose for sand and grit blasting. It is suitable for air pressure sand blasting of metal surface for rust removal, hemp removal, and sand blasting rubber hose for wet sand blasting and dry sand blasting in engineering construction.

Scope of application

It is suitable for air pressure sand blasting of metal surface for rust removal, hemp removal, and sand blasting rubber hose for wet sand blasting and dry sand blasting in engineering construction.

The common application fields are shipbuilding, machining, spraying industry, etc.

Product classification

Type A electrical connection, marked with "M";

Type B with conductive rubber layer, marked with "Ω";

Type C non-conductive ordinary type, marked with "A";

technical requirement

Folding material and structure

The sand blasting pipe shall be composed of the following parts:

-Inner lining (inner rubber layer);

-Reinforcing layer of natural or synthetic fabric laid by appropriate method;

-Outer coating (outer glue layer);

Among them, the reinforcement layer mostly adopts the adhesive cloth method and cord winding method.

 Sandblasting pipe

Folding hydraulic requirements

1. The working pressure of the hose is 0.63MPa.

2. The hose shall be free from water seepage, local bulge, expansion and other abnormalities when conducting hydraulic test under twice the working pressure. Keep the pressure of anti-static hose for 1min, and the length change shall not exceed ± 0.8%, the outer diameter change shall not exceed ± 10%, and the torsion per meter shall not exceed 60º.

3. The bursting pressure of the hose shall not be less than 4 times of the working pressure.

Folding bending performance

When the hose is tested with the minimum bending radius of 10 times the nominal inner diameter at 23 ℃, the deformation KD value shall not exceed 0.8 times the outer diameter D of the hose. (K is the ratio of the outer diameter of the hose before bending minus the outer diameter after bending to the outer diameter before bending.)

(- 25 ± 2 ℃), there should be no cracking after bending.

Folding conductivity

Each "M" grade hose shall not exceed 10² Ω。 Each "Ω" rubber hose shall not exceed 1M Ω.

Folding abrasion resistance

As Sandblasting hose Its main performance is also the main judgment basis for users to distinguish the quality of rubber hose. The current industry standard HG/T2192-2008 stipulates that the wear volume shall not exceed 140mm³ according to method A of ISO 4649;. (The test method used in the previous old version of the industry standard is: Akron abrasion method - the wear volume is not more than 0.8cm³/1.61km. Although this method has been replaced by method A of ISO 4649 since 2008, some domestic hose users still use this method.)

Collapse Other Performance

Other properties such as interlayer bonding strength, ozone resistance, mechanical properties under verification pressure are also considered Sandblasting pipe For the indicators of quality, please refer to the current industrial standard HG/T2192-2008 for sand blasting pipes.

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