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平板闸阀的产品结构特点Productsdesignfeatures ●阀体有铸造和焊接两种结构。
Castandweldtwostructureswiththebody
●阀座采用O形密封圈密封和施加预紧力的浮动阀座结构，使阀门进出口双向密封；并且该结构的启闭力矩仅为普通阀门的1/2，能达到轻松开、关阀门。
Thesealringusesthefloatingseatringstructurewitho-searringsealedandpre-tighteningforceappliedtohaveinletandoutletdual-waysealed;andtheopen-closemomentwiththisstructureis1/2thatofthecommonvalvesonly,abletolightlyopenandclosevalves.
●阀座采用密封面上镶嵌PTFE，具有PTFE对金属和金属对金属的双重密封，PTFE密封面同时清除闸板脏物的作用，
TheseatringusesthesealingfaceinlaidwithPTFE,sohasdualsealsofPTFEtometalandmetaltometal,thePTFEsealingfacealsoactsasremovingthedirtonthewedgedisc.
●金属对金属密封的阀门，阀体外部设有注油脂结构，油脂通过注脂器、阀座进入阀门密封面，使阀门达到零泄漏。
Forthevalvewiththemetaltometalseal,thereisgreaseinjectoroutsideofit,greasegetsintothesealingfacethroughtheinjectorandtheseatringtohavethevalveuptonullleak.
●带导流孔阀门的闸板，无论是全开或是全关始终与密封面吻合，密封面得到保护不受介质直接冲刷，从而延长使用寿命。
Thewedgediscofthevalvewithflowguideholeisalwaysfittedwiththesealingfacewhetherinfullopenorfullclosestatustohavethesealingfaceprotectedwithoutbeingdirectlyerodedbythemediumsoastoextendtheduration.
●阀门在全开时，通道平滑为直线，流阻系数极小，无压力损失，可通毛球清扫管线。
Whenfullyopened,thevalveschannelissmoothandlinear,withanextremelysmallflowresistingcoefficientandnopressureloss,andthepipelinecanbecleanedwithhair-ballthroughit.
●本阀采用带自密封能力的填料结构，无需经常调节，开、关极为轻便，且密封性可靠，填料函处设有辅助密封油脂注入结构，密封性能绝对可靠，真正达到零泄漏；解决了通用阀门填料处最容易外漏的蔽病。
Thisvalveusesthepackingstructurewiththeabilityofself-seal,needsnoconstantadjustment,featuresverylightopenandcloseandareliablesealAnassistingsealinggreaseinjectionstructureissetinthepackingtohavethesealingperformanceabsolutelyreliableandgetatruenullleak,settlingtheproblemforthepackingplaceofuniversalvalvestobeeasiestleakoutward.
●阀门关闭时能自动卸掉内腔高压（详见工作原理图），保证使用安全。
Automaticremovalofthehighpressureintheinternalcavitywhenthevalveisabouttoclose(seetheworkingprinciplediagram)forthedetails)soastoensuresafety.
●全封闭结构，防护性能好，可适应全天候要求。
Fullysealedstructureleavesagoodprotectiveproperty,suitalbefortherequirementof24-hourduty.
●升降杆阀门设有指示杆或观察窗以表示阀门的启闭情况，旋转杆阀门采用封闭齿轮转动启闭指示机构。
AnindicationrodorviewingwindowissetAscendanddescendstemwiththevalvetowhowtheopen-closecondition,RevolvestemwiththevalveUseasealedgear-drivingopen-closeindicatingmechansim.
●直理式阀门外表面采用环氧煤沥青防腐处理，能与管线同寿命。
Theexternalsurfaceofthedirectlybuilt-invalveiscorrosionresistingtreatedwithepoxycoalbitumenandcanbethesamedurationasthepipeline.
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