Quality Control Department
As one of the most important units of Mehr Etesal Safahan, the QC dept. has the duty of controlling and supervising all the raw materials and the input materials to the organization and according to the responsibilities, if the materials have not the appropriate quality according to Iran national standards, these materials are immediately returned to the suppliers by them.
The working cycle of QC dept. is as follows:
Due to the effect of controlling the production process on the quality of the end product, QC dept. of Mehr Etesal Safahan Co. controls the primary input materials precisely and also analyzes the production parameters for improving the quality of the producers. By having experienced technicians and engineers, this department is ready to provide you the required services in 3 working shifts to supply quality products.
The most important parameters and some tests are mentioned as follow
Products quality control
Specification | Standards | Permissible value |
Apparent condition | National 8989 | With No. extra waste |
Leakage under internal pressure | ISO 3503 | With no leakage |
Resistance against releasing (Taking put) | ISO 3501 | Pipe should not be separated from fittings |
Leakage under inner pressure | National 12440 | With no Leakage |
Leakage under external pressure | National 12439 | With no Leakage |
Short-term hydrostatic pressure | National 8989 | With no Leakage |
Pressure drop | ISO 4059 | Should not be more than the pressure drop due the pipe |
Smoke rate | 2-7175 | 0.25±25/2 |
Marking | National 8989 |
Input raw materials quality control
Specification | Standard | Permissible Value |
Melt flow index | ISO 1133 | 0.5 |
Density | ISO 1183 | 0.897 |
Apparent conditions | According to the control sampleد |