- SKU:高温高压主安全阀Description:InstructionThisvalveisusedforpowerplantboilers,pressurecontainers,pressureandtemperaturereducingdevicesandotherfacilities.Structure briefing1.Thesafetyvalve shallbe installedwertically andit wouldbebetterto installthe valvedirectly uponthe adaptorof thecontcuner orthe pipe.Theinsidediameter ofthe adapforshall beno lessthan thatof theinlet pipeof thesofty valve.2. To avoid the thermal stress that is caused by the thermalexpansionofthedischargepipe,theexitwayofthesafatyvalve shall be expansion with appropriate expansion joint. Theinsidediameter of the discharge pipe should larger than the diameteroftheexitwayofthevalve.Itslengthshallbeasshortaspossible andnobentisallowed.Theweightofboththedischargepipeand the expansion jointshall not be applied to the safety valve, andtheyshallbefasteneduponthecon-struction.Thedistancebetween bothcenterlinesofthedischargepipeandthebodyshall beasshort aspossible. Awaterdrainagepipeshallbeinstalledseparatelyfor eachsafetyvalve.3.Theexitwayofthemufflershallhaveenougharea,inorder toavoidproducingbackpressurethatwouldaffectthedischargecapabilityofthevalve.A48YA48Y-C 型适用于温度≤425℃; A48Y-V型适用于温度≤550℃的电站锅炉、压力容器、减温减压装置上,作为超压保护装置。A48Y-C type applicable temperature are less than 425℃; A48Y-V type is suitable for the exceeding pressure protective equipment, their working temperature is 550℃ or less. Such as the boiler used in powerstation,pressure ontainer,pressure reducing and temperature reducing machine.主要外形及连接尺寸 Main external and connecting dimensionsTypeDN Nominal diameterConnecting dimensions (mm)LL1HDD1D2bZ- dDN1D'D1'D2'b'Z1-d1A48Y-P543.82V65190190853220170110508-25150300250204308-25A48Y-1080190190853230180121508-25150300250204308-25A48Y-1065190190853220170110508-25150300250204308-25A48Y-P543.82V80190190853230180121508-25150300250204308-25A48Y-206521021093326020397558-30150300250204308-25A48Y-P545.29V6521021093326020397558-30150300250204308-25A48Y-2080210210933260203116608-34150300250204308-25A48Y-P545.29V80210210933290230116608-34150300250204308-25A48Y-2080210210933290230116608-34150300250204308-25A48Y-P5410V80210210933290230116608-34150300250204308-25A48Y-2065210210933290230116608-34150300250204308-25A48Y-P5410V65210210933290230116608-34150300250204308-251. Tianzheng Brand safety valve is noted for elegant design,noleakage,settingpressureprecision, greatlydischarge andeasily adjusted.2. Nozzle seat: It is the Loware nozzle typeseat. Thesteamreachesthevelocityofsoundwhenpassingtheexitwayoftheseat. Thesealingsurfaceisweldedbycobalthardalloy,Largedisplac- ement coefficient,anti-friction, corrosion resistance and longdurabilityarerecognized3.Thermoelasticdisc: thedisc isof thermoelastic structure. Takingtheadvantageofitsminorout-of-shapefeaturewhenunder the medium pressure, the seal ability has been raised, and theproblemthatpre-dischargephenomenonofthemainsafetyhappens whenthemediumpressureapproachingthesetpressurehasbeen overcome.Thesealedsurfaceof thedischasadoptedtheadvanced technology of heat hardening to increase the hardness and theabilityofanti-frictionandcorrosion resistance.4. Adjustingnut: adjust the compression amount of spring bysuingpetnutsothatthevalvecanacquireappropriatesetpressure rapidlyandeasily.5.Backpressureadjustingsleeve: itisanauxiliaryapparatus thatservestoadjustthebackpressureofthedisctoacquireappr- opriatedif-ferentialpressureforseatreturning. Ifadjustupward, thebackpressureofvalvereduces.Ifadjustdownward,thebackpressurerises.Installation instruction
上海大唐阀门制造有限公司具有十多年的研发、制造各类阀门及阀门驱动装置的丰富经验,技术力量雄厚,生产工艺,具有完备的检测手段和试验过程及完善的产品质量管理体系;集研发、制造、销售服务于一体的阀门生产企业,是电力部所属制造高、中压阀门的重点企业。大唐阀门主要产品有:闸阀、截止阀、止回阀、球阀、蝶阀、减压阀、调节阀、安全阀及各类特殊阀门、冶金专用阀、水力控制阀。可按用户需求分别采用手动、电动、气动、手气液联动等驱动方式;材质有碳钢、不锈钢、耐热钢、优质合金钢等;还承制各种特殊阀门。采用标准除国家标准及行业标准外。还采用美国API、ASME、日本JIS、英国BS、德国DIN等标准。所制造的阀门广泛应用于电厂、石油、化工、天然气、煤气、化肥、制碱、制盐、冶金、、航天等领域,并至力于开拓国际市场,远销美国、加拿大、德国、中东等国家和地区,深受用户赞誉和信赖。谋求企业快速发展是大唐阀门不懈的追求,企业坚持依靠科技创新、不断吸取经验,引进的生产工艺和完善的检测设备,建立了一支高素质现代化队伍。近年来主要业绩是电力、石油、石化、煤化工、冶金、城建等。大唐阀门拥有生产设备百余台,其中机械加工设备中拥有大型立车、加工中心、数控车床、数显镗床、回转立式车床、加工球体磨机床等。热工设备,自有熔焊机、粉末等离子自动喷焊机、离子氮化炉、高频淬火炉等,还配有材料实验机、微机脱磁自动仪、检漏仪等的检测设备;新建低温试验室和理化室,具备RT、UT、MT等无损检测能力。企业建立了ERP管理系统,信息化建设走在行业的前列。阀门产品的设计和开发,企业采用行业院所共同开发的阀门设计专用软件,设计制造水平在国内处于地位,为生产高质量产品提供了有力的保证。 “一,用户满意”是大唐阀门永恒的追求目标!大唐阀门将以市场需求为导向,不断创新,逐步完善,竭诚为用户提供高品质的产品及完善的售后服务!
安全阀
SKU:高温高压主安全阀Description:InstructionThisvalveisusedforpowerplantboilers,pressurecontainers,pressureandtemperaturereducingdevicesandotherfacilities
高温高压主安全阀 产品信息
关键词:安全阀