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Product sales
Valve Repair
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| Valve repair using the install |
| Article source：江阴市欧蕾斯阀门有限公司 Update Time：2010-7-7 |
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After valve repair installation Precautions:
A control valve repaired in the field use, many are not because of quality control valve repairs caused by, but on the electric control valve installed after the repair caused by improper use, such as the installation environment, location and direction of the improper installation or pipeline dirty, etc. reasons.
2 new design, the installation of the control system, installed after the valve repair, we should first check whether the valve on the nameplate labeled consistent with the design requirements.
3 If the original system had valve repair, in addition to the above are verified, but also deal with old valve stuffing and sealing joints and other parts for inspection.
4, valve repair and install the following items should also be carried out before commissioning. Basic error limit; full stroke deviation; hysteresis; dead; leakage (in the strict occasions when).
So after valve repair installation should pay attention to the following:
A control valve repaired using the installation should generally be installed vertically, can be tilted under special circumstances, such as the tilt angle is large or valve itself is too large weight bearing parts of the valve protection should be increased.
2 valves are field instruments, the Environment and temperature should be in the range of -25 ~ 60 ℃, relative humidity ≤ 95%. If it is installed in the open air or in high temperature, should take water, cooling measures. In a place away from the source of the vibration source or increase the anti-vibration measures.
3 Install piping valve generally not too high off the ground or floor, in the pipe height is larger than 2m to set platform should be as much as possible, to facilitate the manipulator and easy to conduct another round of valve repair. |
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