Butterfly valve installed itself didn't need directions, mainly the expansion of form a complete set needs to be installed in YingShui direction. No installation direction, manual butterfly valve can be installed in any position, belt transmission mechanism of the butterfly valve shall be installed upright and keep driving mechanism of the vertical state. ( 1) Install regulator in general should consider the following aspects: (1) security: personnel and equipment safety in the process of installation. (2) the control performance, piping system pressure loss should be taken into account and calculation control valve size when the pressure loss is consistent, to ensure that the required flow characteristic. Import and export should keep enough straight pipe. (3) installation location: should have enough space to facilitate the operator manual ( Including the bypass operation) As well as the guarantee of regulating valve and accessories on the possibility of disassembly and maintenance. (4) control valve group: general in the process piping installation cut-off valve of the bypass Industrial Valves and control valve with the valve group, to meet the needs of the equipment continuous operation. Repair the regulator in the cut-off valve isolation. Use the bypass valve adjustment. Are recommended in the following figure regulator group arrangement. ( 2) Field installation installation personnel should first realize the regulating valve is a kind of precision instruments and equipment, no collision drop fall, in order to avoid damage. Specific attention to the following: (1) the best is vertically installed on the pipeline. weight is bigger and should add supporting frame vibration on occasion. (2) the body to avoid piping or harmonic flange before and after serious not coaxial under too much stress. (3) and before the first start after the breakdown maintenance should be flush piping system after install the regulator. Or in front of the valve installation transitional filter. (4) shall be in accordance with flow direction arrow on the valve body install regulator. (5) valve should be installed in the environment temperature for - 20 ℃ ~ 60 ℃, relative humidity of 95% or less, no serious corrosive gas environment.
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