原文:Valve operation in the maintenance of the aim is to ensure that the valve at the annual clean,oiled,valves and complete,normal operation of the state.First,clean the valve The surface of the valve stem and stem nut on theGate Valves trapezoidal thread,the stem nut and the frame sliding parts and gear,worm and other components,easy to dip plot alot of dust.Oil stains and other stolen goods and media,on the valve will produce wear and corrosion.Therefore,the external valves and activities to keep area clean,to protect the integrity of the valve paint is obviously very important.Valve on the dust brush whellosk and apply to compressed air purge;trapezoidal thread and cloth between teeth of the stolen property is suitable for scrubbing;valve on the oil and media stains suitable for steam blowing,or even wash with copper wire brush,until the processing side,with the face showing metallic luster,paint face paint qualities show up.Traps should be responsible,each class at least once,flush valve and the sparse periodic open end of the plug flow valve to rinse,or wash regularly demolished,so as not to loot plug valves.2,valve lubrication Valve trapezoidal thread,the stem nut and the frame sliding parts,bearingGlobe Valves parts,gear and worm gear,worm gear parts and other sites with activities,require better lubrication and reduce friction between each other,to avoid wear and tear each other.Some parts of special cup with oil or fuel injectors,if damaged or lost in the operation should be installed for repair,oil line to clear.Site specific conditions should be lubricated regularly refuel.Always open,the valve is suitable for hellogh temperature fuel once aweek to amonth intervals,not always open,hellogh temperature valve fuel cycle can be longer.Lubricants are oils,butter,molybdenum disulfide and graphellote.Not suitable for hellogh temperature valve with oil,butter,they melt because of heat lost,and is suitable for injection of molybdenum disulfide and graphellote powder Maca.Exposed the need for lubrication on the site,such as the trapezoidal screw thread,gear and other parts,the use of abutter oil,exposed to dust,whellole the use of molybdenum disulfide Plug Valves and graphellote powder lubrication,are not exposed to dust,better lubrication than butter.Graphellote is not easy to direct smear,add oil or water blending said hellogh Zhuang use.Oiling sealed plug should be in accordance with the stipulated time oiling,or easy to wear and leakage.Thellord,the maintenance of the valve In the operation of valves,all valves should be complete and intact.Flange and bracket Bolts indispensable,threads should be in good condition,does not allow loosening.Hand tighten the wheel nuts,if found loose should be tightened in time to av oid wear and tear or loss of the junction of hand wheel and the plate.Hand wheel,if lost,does not allow flexible use of wrenches to replace,should be promptlyAPI Cast Steel Valves installed for.Packing gland or materials are not allowed skew preload gap.Rain and snow on the vulnerable,dust,sand and other dirt contamination of the environment in the valve,the valve stem to install protective cover.Valve on the gauge should maintain complete,accurate and clear.Valve seals,cap,pneumatic accessories,should be complete well.Insulation jacket should have no dents,cracks.Does not allow the operation of the valve on the beat,stop or bearing weight,in particular non-metallic valves and cast iron valves,but also prohellobited.Stainless steel multi-stage centrifugal pump CDL/CDLF standards for the installation of non self-priming motor multi-stage centrifugal pump,the motor shaft axis associated with the device through the pump head and shaft directly connected to the pressure cylinder rod bolts,o ver-current components are fixed in the pump head and Needle Valves out of the water section between the pump outlet of the pump and out of the end of astraight line;the pump can be equipped with intelligent protection devices,turn on the pump dry,open phase,the effective overload protection.原文来自:Battle to Restart Pump to Halt Sewage Flow;是由上海一环流体控制设备有限公司提供的阀门新闻,中文译文仅供参考,以下提供站内导航搜索:
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译文:阀门运转中维护的目的阀门运转中维护的目的,是要包管使阀门处于常年整洁、润滑杰出、阀件齐全、正常运转的状况。一、阀门的彻底扫除阀门的外貌、阀杆和阀杆螺母上的梯形螺纹,阀杆螺母闸阀与支架滑动部位以及齿轮、蜗轮蜗杆等部件,容易沾积许多灰尘。油污以及介质残渍等赃物,对阀门会产生磨耗和腐蚀。因此经常保持阀门外部和活动部位的清洁,保护阀门油漆的完整,显然是十分重要的。阀门上的灰尘适用于毛刷拂扫和压缩空气吹扫;梯形螺纹和齿间的赃物适于抹布擦洗;阀门打油污和介质残渍适于蒸汽吹扫,甚至用铜丝刷刷洗,直至加工面、配合面显出金属光泽,油漆面显出油漆本色为止。疏水阀应有专人负责,每班至少检查一次,定期打开冲洗阀和疏流阀底的堵头进行冲洗,或者定期拆卸冲洗,以免赃物堵塞阀门。二、阀门的润滑阀门梯形螺纹,阀杆螺母与支架滑动部位,轴承部位、齿轮和蜗轮、蜗杆的啮合部位以及其他配合活动部位,都需要杰出的润滑条件,减显得年轻互间的摩擦,避免相互磨耗。有的部位专门设有油杯或者油嘴,若在运行中损坏或者亡失,应修复配齐,油路要疏浚。润滑部位应按具体情况定期加油。经常开启的,温度高的阀门适于距离一周截止阀至一个月加油一次,不经常开启,温度不高的阀门加油周期可长一些。润滑剂有机油、黄油、二硫化钼和石墨等。高温阀门不适于用机油、黄油,它们会因高温溶化而流失,而适于注入二硫化钼和抹擦石墨粉剂。对裸露在外的需要润滑的部位,如梯形螺纹、齿轮等部位,若接纳黄油等油脂,容易沾染灰尘,而接纳二硫化钼和石墨粉润滑,则不容易沾染灰尘,润滑效果比黄油好。石墨粉不容易直接涂抹,可用少许机油或者水调合称高壮使用。注油密封的旋塞阀应按照规定时间注油,不然容易磨耗和泄漏。三、阀门的维护运行中的阀门,各种阀件应齐全、无缺。法兰和支架上的螺铨不可缺少,螺纹应无缺无损,不允许有松动征象。手轮上紧固螺母,如发现松动应实时拧紧,以免磨耗连接处或者亡失手轮和铭牌。手轮如有亡失,不允许止回阀用活扳手取代,应实时配齐。填料压盖不允许歪斜或者物预紧间隙。对容易遭到雨雪、灰尘、风沙等污物沾染的环境中的阀门,其阀杆要安装保护罩。阀门上的标尺应保持完整、准确、清晰。阀门的铅封、盖帽、气动附件等应齐全无缺。保温夹套应无凹陷、裂纹。不允许在运行中的阀门上敲碰、站人或者支承重物,特别是非金属阀门和铸铁阀门,更要禁止。不锈钢多级离心泵CDL/CDLF为安装标准电机的非自吸式多级离心泵,电机轴通过泵头用蝶阀轴联器直接与泵轴连接,拉杆螺栓将耐压筒、过流柱塞阀部件固定在泵头和出进水段之间,泵安全阀出进水口在泵底统一直线上;本泵可按照需要配置智能保护器,对泵干转、缺相、过载等进行有用保护。
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