Regulating valve is very common and is particularly important in the production of industrial control equipment, it is working properly or not is directly related to the entire unit production is normal or not, so we know what install regulator need pay attention to what issues? Every instrument under the valve manufacturer to introduce:

regulator is installed in front of the incoming goods inspection

regulator of incoming goods inspection is a very important link, to confirm the regulator if it will be the arrival of the goods meet the design requirements. Each technical requirements of the regulating Industrial Valves shall meet the design requirements, but should emphatically when receiving inspection to check the following items:

1, body/trims specifications the content mainly includes: valve type, valve type, nominal diameter, the seat size, form, flow characteristics, valve core leakage level, body material, valve core material, the seat material, CV value, the flange size and sealing surface on a standard scale, etc. , as long as find it contains the same content determination of conformity with design to the design and approval.

2, actuators are part of the content mainly check the actuator model, type, form, spring range, gas supply pressure, etc.

3, locator part the content mainly check locator input signal, air pressure, size and level of explosion-proof electrical and gas source interface, including explosion-proof level shall not be lower than design level requirements.

4, accessories according to the requirements of the regulating valve design technology carefully clean up the various accessories, such as the filtering pressure reducing valve, valve position switch, electromagnetic valve, the handwheel institutions, special tool. The above content can by cleaning up of inspection, measuring instruments, check the nameplate and dedicated testing means ( Materials such as flange and bolt through the spectrum analysis to identify) Methods to achieve.

the installation of the regulating valve

the installation of the regulating valve is the key problems that should be paid attention to, the installation quality is directly related to the regulator's operation and performance. The installation process should pay attention to the following problems:

( 1) Regulating valve before installation, must be carefully remove the dust accumulated by the valve during storage, during the installation process will keep clean. Because dust impurities will make the seat and damage of internal parts. In order to protect the clean, usually in the incomplete opening flange end plate.

( 2) When regulator is installed, the arrow on the valve body shall be consistent with the medium flow direction.

( 3) Control valve is a precision component, if they are stress of the pipe deformation, will damage the normal work. Therefore, flange and pipe installation should be vertical and position accurately in order to avoid deformation of the pipeline. Wells and pipelines to the appropriate support to prevent it in bending deformation under the action of the valve weight.

( 4) When regulating valve and pipe welding must be especially careful. If not enough attention during regulating valve and pipe welding, failed to eliminate stress, will produce deformation. When welding, must strictly avoid welding slag splash into the valve, the existence of welding slag detrimental to the performance of the valve, if the splash splashing on the valve core directly, light directly affects the action of regulating valve, or damage to the valve core and valve seat.

( 5) Pipeline during pressure test and blow, the regulator should be removed, with the corresponding straight pipe connected to prevent welding slag, iron chips sundry card between valve core and valve seat. Remove the valve opening flange end application plastic cloth bandage firmly.

in the process of the installation of industrial automation instrument, valve installation and operation of the most complex and most difficult and the easy problems. In the whole process, instrument specialty and pipeline should coordinate with each other, support each other, close cooperation, reflected in a timely manner to solve the problems in time, in strict accordance with the requirements, according to the rules of operation, only in this way can guarantee the quality of the installation of the regulating valve and smoothly operation of the quality to ensure the smooth progress of the entire installation project went into operation and the industrial device.

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