Corrosion resistance present situation and trend of self-priming pump

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corrosion present situation and trend of self-priming pump corrosion self-priming pump using polyvinylidene fluoride ( PVDF) , reinforced polypropylene ( 齿槽 An injection molding. Corrosion resistant self-priming pump high mechanical strength, strong corrosion resistance, corrosion resistance on the structure of self-priming pump has a unique scientific, corrosion resistant self-priming pump suction fluid pump cavity with room, liquid storage chamber, the liquid check valve, gas liquid separation chamber, reflux hole. Just before the first boot perfusion liquid, then don't have to repeat perfusion fluid, when the pumping medium, liquid can be intermittent, within 15 minutes break fluid may continue to send absorption, mechanical seal does not need additional cooling water cooling, easy operation, safety and no leakage, corrosion-resistant self-priming pump is the best product to replace the submerged pump. Corrosion resistant self-priming pump is applicable to - 40℃～+120℃（ PVDF) And - 40℃～+80℃( 齿槽 Transfer of all kinds of corrosive medium. Corrosion resistant self-priming pump main USES: applicable to oil, chemical, pharmaceutical, metallurgy, food, film developing, water treatment and other industries, is an ideal environmental protection products. Corrosion resistant self-priming pump note 1) And corrosion self-priming pump installation: 1. Corrosion self-priming pump through long-distance transportation to reach the use of the site, before installation must check whether the machine parts are intact, fasteners should be fastened, check the corrosion resistance of self-priming pump pump shaft and motor shaft concentricity, shift, if any, should be corrected. 2. When installation, try to reduce the hydraulic loss suction pipe, shall not be less than 90 ° bend, import the 90 ° elbow on the pipeline not more than 2, corrosion resistant self-priming pump pump imported should set screen, prevent big impurities into the corrosion self-priming pump pump, ensure the pump can operate properly, when installation as far as possible to reduce imports (a long line This would reduce import air pipeline, thus reduce the self-priming time and increase working efficiency) 。 3. Inlet pipe connection bolts must be compensating tight, seal must be tight, try to use soft must not leak the flange gasket ( Such as fluorine rubber) , otherwise, it will seriously affect the corrosion resistance of self-priming pump self-priming performance. 2) Corrosion resistant self-priming pump operation notice: 1. Check the motor running direction and the pump running direction marks are consistent, do not turn! 2. Must be filled with liquid in the pump body to start running, it is forbidden to idle running. Corrosion resistant self-priming pump within the prescribed scope of self-priming height if 7 to 10 minutes is not a liquid, it is necessary to stop the machine immediately to check the reasons ( Mainly check whether import pipe leakage, to prevent corrosion within the self-priming pump pump working liquid heating up, corrosion damage self-priming water pump pump. 3. For the first time after the injection liquid in the pump body generally don't need to pour, but after long downtime or stop the seal leakage phenomenon exists, corrosion resistant self-priming pump liquid in the pump damage, should first check before the second drive water pump fluid of memory, filled with fluid before driving. 4. The winter when not in use for a long period of time, to the best of the liquid in the pump body, lest by frozen, can't work normally. Corrosion resistant self-priming pump maintenance 1. Use after a period of time, discover leaks, mechanical seal face corrosion self-priming pump is caused by the wear face, ring should be adjusted, loosen the two stainless steel screws. Corrosion resistant self-priming pump forward appropriately, rotating corrosion self-priming pump pump shaft by hand to easily without resistance to be beautiful, too loose will produce leaks, tight wear easily affect the service life of mechanical seal. 2. Continuous boot had better not exceed 8 ~ 10 hours a day. 24 hours of continuous operation of spare parts, replacement maintenance regularly, replacement period is generally two to three months, should be removed due maintenance. Does not affect production, the continuous operation of the production can access at any time. 3. The proportion of medium is greater than 1. 2 should be the other motor, otherwise will affect the lift or lead to motor burn out. 4. Disassembly sequence is: remove motor, stents, floor screw, remove the mechanical seal cover, cooling water nozzle, loose to start the ring card ring bolt, pump cover before and after static ring clamp bolts, bolt, the impeller shaft rod set screws loosen, wrung out 3 ~ 5 mm, with the hammer rod, after will play loose impeller, unloading rod, impeller and mechanical seal, when unloading mechanical seals shall be manual operation, do not use metal tools, protected from damage. 5. Maintenance: clear before and after pump casing, pump cover, impeller, mechanical seal components within the dirt, and wash clean, no damage may continue to use, check whether there is any damage on mechanical seal face ends, ring end face wear or scratch less usable fine metallographic smooth sand on the tablet, may continue to use. Corrosion resistant self-priming pump is according to the relevant technical data at home and abroad after absorption, digestion, improve the development of pump energy saving products. Corrosion resistant self-priming pump is a self-priming centrifugal pump, self-priming pump corrosion resistance has compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life, and have strong self-priming capacity, etc. Corrosion resistant self-priming pump pipe road does not need to install the bottom valve, before work just corrosion self-priming pump storage are quantitative liquid in the pump body. Thus simplifies the pipeline system, and improve the working conditions.

submersible pump are all following the most compatible manufacturing regulations.
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