Repair method of valve stem thread
- Categories:Company news
- Author:
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- Time of issue:2019-10-30 18:07
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(Summary description)Stemthreadsaremainlydividedintotrapezoidalthreadsandordinarythreads.Thethreadedfastenersonthevalvedirectlybearthepressureofthemedium,whichplaysanimportantroleinpreventingtheleakageofthemedium.Therefore,theselectedmaterialsmustensuresufficientstrengthandimpacttoughnessunderthevalve'soperatingtemperatureandpressure.Thesetwotypesofthreaddamagemainlyincludecorrosion,breakage,over-tighteningofthethreadpair.Inordertoensurethenormaluseofthevalvestem,thethreadofthevalvestemmustberepaired.Thesurfaceofthetrapezoidalthreadcanberepairedwithafileandsandedwithabrasivecloth;thethreadpaircanbecoatedwithabrasivepasteformutualresearchifthethreadpairistootight;andthecirclecanbetrimmedwithasmallfile.Forthedamagetothecommonthreadofthevalvestem,thereareseveralwaystorepairit.
Repair method of valve stem thread
(Summary description)Stemthreadsaremainlydividedintotrapezoidalthreadsandordinarythreads.Thethreadedfastenersonthevalvedirectlybearthepressureofthemedium,whichplaysanimportantroleinpreventingtheleakageofthemedium.Therefore,theselectedmaterialsmustensuresufficientstrengthandimpacttoughnessunderthevalve'soperatingtemperatureandpressure.Thesetwotypesofthreaddamagemainlyincludecorrosion,breakage,over-tighteningofthethreadpair.Inordertoensurethenormaluseofthevalvestem,thethreadofthevalvestemmustberepaired.Thesurfaceofthetrapezoidalthreadcanberepairedwithafileandsandedwithabrasivecloth;thethreadpaircanbecoatedwithabrasivepasteformutualresearchifthethreadpairistootight;andthecirclecanbetrimmedwithasmallfile.Forthedamagetothecommonthreadofthevalvestem,thereareseveralwaystorepairit.
- Categories:Company news
- Author:
- Origin:
- Time of issue:2019-10-30 18:07
- Views:
Stem threads are mainly divided into trapezoidal threads and ordinary threads. The threaded fasteners on the valve directly bear the pressure of the medium, which plays an important role in preventing the leakage of the medium. Therefore, the selected materials must ensure sufficient strength and impact toughness under the valve's operating temperature and pressure. These two types of thread damage mainly include corrosion, breakage, over-tightening of the thread pair. In order to ensure the normal use of the valve stem, the thread of the valve stem must be repaired. The surface of the trapezoidal thread can be repaired with a file and sanded with abrasive cloth; the thread pair can be coated with abrasive paste for mutual research if the thread pair is too tight; and the circle can be trimmed with a small file. For the damage to the common thread of the valve stem, there are several ways to repair it.
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