Each product will have its corresponding standard. If it fails to meet the standard, then the product must be of inferior quality. If it meets the standard, it can be regarded as qualified and can be sold in the market. about Sandblasting pipe As far as we are concerned, there are also specified standards. Only when we reach this standard can we use it with more confidence.

1. Technical standards of sand blasting pipe:

The use temperature of sandblasting pipe is - 20&-- 70 ℃. The sandblasting pipe must have three layers in structure, namely, the inner rubber layer, the reinforcement layer and the outer layer.

In terms of hydraulics, Sandblasting hose The maximum working pressure of is 0.63MPa. When the hydraulic experiment is carried out under twice the working pressure, no water seepage, local bulge, expansion and other abnormal phenomena are allowed.

The bursting pressure of sand blasting hose shall not be less than 4 times of the working pressure. The pressure of anti-static hose shall be maintained for one minute, but the length change shall not exceed 0.8% of the upper and lower, the outer diameter change shall not exceed 10% of the upper and lower, and the torsion shall not exceed 60&ORDM per meter.

2. Bending standard of sand blasting hose:

When the temperature is 23 ℃, the deformation value shall not exceed 0.8 times of the outer diameter when the smallest bending radius within 10 times of the nominal inner diameter is tested, and the cracking phenomenon shall not occur when bending at minus 25 ℃.

3. Wear resistance standard:

According to the test standard of ISO4649 for wear resistance of materials, the wear volume of sand hose shall not exceed 40MM&SUP3.

That's it Sandblasting pipe The standard for judging whether the quality is qualified or not is basically unqualified products.