electric diaphragm valve is one of the important equipment in the pharmaceutical industry, it is a special kind of block valves, the opening and closing is a diaphragm, made with soft materials in the body cavity with the valve cover cavity. Expert introduction, according to the valve, electric diaphragm valve ( Weir) Using high frequency, ultra pure to the serious pollution of grinding media, convenient cleaning, adjusting performance ( Liquid) Good and flow to the optional biological advantages. Of course, has its drawbacks as well as electric diaphragm valve, such as medium pressure loss, operating pressure and temperature conditions, etc.

vividly, electric diaphragm Industrial Valves is actually 'clamps' valve, have a flexible diaphragm, connected by bolt in compression, and compressed by stem operation, move them up and down. When the compression a rose, diaphragm is lifted up, and cause path; When compressed dropped, diaphragm pressure on the dam body ( Assumptions for weir valve) Or pressure in the bottom of the outline ( Assumptions for straight-through) 。 Electric diaphragm valve is applicable to switch and throttling, in the pharmaceutical industry, mainly used in pharmaceutical water.

international electric diaphragm valve more specific regulations and instructions of regulation, for example, in the application of aseptic conditions, the FDA even explicitly specified using electric diaphragm valve, to ensure a good clean. In the European Union - GMP standards, electric diaphragm valve you need to meet to avoid cross contamination and easy to cleaning of the equipment. As a result, the valve can be used for easy to clean, easy to disinfect, since the emptying and the application of cavity filling type.

in addition to the electric diaphragm valve product itself to conform to the relevant regulations and standards, the production, storage and distribution of drug quality ultrapure steam or water, also want to comply with the provisions of the corresponding. And in order to ensure that product quality is stable and reliable, pharmaceutical equipment components also have corresponding water quality requirements. Therefore, the combination of various electric diaphragm valve needs to be corresponding to pharmaceutical technology design and development.

such as electric diaphragm valve sealing, electric diaphragm valve sealing system will directly affect the purity of the product. The author understands, the traditional sealing system, the valve will outline on the diaphragm seal to seal, but in general, the body itself has no additional sealing contour. And because the diaphragm between the actuator and will be fixed by bolts, will form an annular gap sealing surface. Medium will be infiltrated by the movements of the closure, and open the valve is expelled, it will cause pollution.

according to the above situation, has developed a special way of sealing valve business. It is understood that the body and the diaphragm has a seal, the outline of the design will make the diaphragm in the valve body and extrusion, annular clearance is reduced greatly, and to prevent the medium into, significantly reduce the pump effect.

although electric diaphragm valve widely used in the pharmaceutical industry, but customers in the operation of the equipment also notice some things. Should not arbitrarily change, for example, electric diaphragm valve opening network system, installation and testing conditions, using a dedicated smart meters to debug setting of all electric diaphragm valve, and lock the valve opening, the balance of pipe network to realize the condition. In the process of pipe network system normal operation, also don't change electric diaphragm valve opening, especially not to change the opening the lock.

in addition, also don't stop valve installation. When in the overhaul of a loop, but the electric diaphragm valves on the loop closed, when electric diaphragm valve have the effect of cutting cut-off valve flow, reply again after the repair to the original lock position. Therefore, if installed electric diaphragm valve, just don't have to install cut-off valve. Add

system ( Or cancel) Loop need to debug when setting, added in the pipeline network system ( Or cancel) When the loop, besides should increase ( Or close) The corresponding electric diaphragm valve, in principle all new electric diaphragm valve and the original system in the loop electric diaphragm valve shall be readjusted setting ( The loop branch pipe in electric diaphragm valves do not have to readjust) 。 It is worth mentioning that in air conditioning and heating systems, as the energy distribution of the water cycle system of hydraulic balance is very important.

pharmaceutical water has strict requirements for cleanliness, electric diaphragm valve as equipment in direct contact with the media, should follow the relevant laws and regulations, to ensure the purity of medium. In addition, the relevant enterprises also need to combined with pharmaceutical water technology, research and development accord with the actual situation of industry equipment, in order to help the pharmaceutical industry clean production.

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