A, trap installed after use, should be regular maintenance, to ensure the equipment working properly. General inspection or maintenance twice a year. Second, trap work normal: intermittent discharge frozen water, no steam leakage after shut down. Sometimes the condensate continuous emissions, there is continuous noise, then have a close, waiting for a period of time, began to cycle. On the third, the common fault there are several, haile xing pump Industrial Valves with the masses of users in this introduce simple analysis and 1, no action no condensate, long time no action, trap valve surface temperature drop, this is a state of drain valve cannot open. The reasons for this failure there are several factors ( 1) Piping or filter is impurity, stolen goods jams, water can not flow into the steam trap. Must be cleaning tube, filter and dirt in the Industrial Valves. ( 2) Due to water hammer occurred floating ball damaged water cannot rise, should change new floating ball. ( 3) The pressure of the steam equipment more than the maximum working pressure of the steam trap, the trap can't open it. Replace higher working pressure of steam trap or adjustment to reduce the working pressure of steam equipment. ( 4) Not discharge the condensate trap is hot, is steam or secondary steam of steam blocking phenomenon. Once the steam is condensed, steam is gone. This is due to trap installation is unreasonable, the inlet pipe can't there is stranded in the condensate. ( 5) Back out of the trap condensed water is very small time interval or action expertise, has to be replaced into a small volume 2, trap leaking steam trap closed lax factor ( 1) core and valve seat wear or scratches on sealing surface, need to grind the new valve core and valve seat sealing surface or replaced. ( 2) Seats and seat body and bonnet ( The body) Joint parts of bolt looseness, cause a leak sealing gasket, replace the gasket and the bolt. ( 3) Flange gasket damage caused in the drain valve body and bonnet joint parts leak, replacement of flange gaskets, symmetry, crisscross, many times, tighten the flange bolts evenly, to prevent leakage of the circumferential stress inequality. ( 4) Drain valve body or bonnet leakage is shell casting sand holes, should repair welding or replace defective shell. 3, don't close the discharge factors of trap: ( 1) Continuous discharge condensate trap is not closed, discharge ability to replace steam trap. ( 2) Continuous water, steam trap with row, sandwiched between valve core and valve seat has foreign matter or guide surface impurities, the collapse of the cleaning, remove the foreign body. ( 3) Shell near exports have corrosion perforation, the collapse of the replacement or repair welding corrosion bad shell. ( 4) Bellows damage or permanent deformation of bimetallic strip, the trap is not closed, to replace the damaged membrane box or failure of the bimetallic strip. ( 5) Mechanical type ( Lever ball float and free float type, inverted bucket type) Trap installation errors also can produce the phenomenon of discharge none valve, must be installed according to the requirement of the installation diagram.
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