- -压 力 释 放 阀PRESSURE RELEASE VALVE使 用 说 明 书OPERATION INSTRUCTION明远电器设备SHENYANG MINGYUAN ELECTRIC EQUIPMENT CO., Ltd.- 专业资料-本说明书适用于我公司生产的系列变压器用压力释放阀，阐述其用途、性能、规格、技术参数、使用及安装，供用户参考。The Operation Instruction is applicable to pressure release valve of a series of transformers manufactured by our company, indicating its application, performances, specifications, technical parameters, usage and installation for uses reference. 1. 压力释放阀用途和性能压力释放阀适用于油浸式电力变压器、电力电容器及有载分接开关等，用来保护油箱。当油浸式变压器在运行中出现故障时，由于线圈过热，使一部分变压器油汽化，变压器油箱中压力迅速增加，这时压力释放阀在2ms迅速动作，释放压力，保护油箱不致变形或爆裂。油箱的压力再升高而达到开启压力时，压力释放阀应再次动作，直到油箱的压力降到正常值。由于压力释放阀动作后能可靠关闭，油箱外的水和空气不能进入油箱，变压器部不会受大气污染。1. Application and performance Pressure release valves play a vital role in the protection of oil-immersed electrical equipments, such as transformers, high voltage switch gears, capacitor and on load tap-changers, etc. This device can prevent the oil-immersed electrical equipment from deformation or rupture. Should a fault occur in such electrical equipment, from deformation of rupture? Should a fault occurring in such electrical equipment, they are instantaneously vaporize the oil causing extremely rapid build-up of gaseous pressure? If mounting this type pressure release device on the oil-tank, when the pressure reaches to its opening pressure, it opens automatically within 2ms and relieves the pressure.2 型号、规格及基本参数 Type, specification and technical parameters 2.1 型号的含义 Meaning of typeY S F / 特殊环境代号（Special environment）带机械信号标“J”（“J”：mechanical signal）带信号开关标“K”（“K”：electrical signal）两者都带标“KJ”（“KJ”：Both with signal）喷油有效口径（Caliber of oil-gushing tube）mm开启压力（Opening pressure）kPa设计序号（Design serial number）阀（valve）释放（release）压力（pressure）注：特殊环境代号 note: special environment:TA: 干热带地区 dry tropic TH: 湿热带地区 humid tropic T: 干、湿热带地区 dry、humid tropic例：YSF16-55/130KKJT开启压力为55kPa，喷油口径为130mm，带电信号、机械信号。适用于干、湿热带地区的压力释放阀。Example: YSF16-55/130KKJT in which, opening pressure is 55kPa, caliber of oil-gushing tube is130mm and flange erection, with electrical and mechanical signal and waterproof, use in dry、humid tropic。2.2 规格（见表1）Specifications（given in Table ）表1 Table 喷油有效口径effective caliber（mm）开启压力opening pressure（Kpa）2015，25，35，5525508035，55，70，851302.3 基本参数（见表2）Basic technical data（given in Table ）表2 单位：kPa Table unit:kPa开启压力opening pressure152535557085开启压力偏差deviation of opening pressure5关闭压力closing pressure813.51929.537.545.5密封压力seal pressure915213342513. 安装尺寸Installation dimensions3.1 法兰安装尺寸（见表3）Flange installation dimensions（given in Table ）表 单位 mm Table unit : mm喷油有效口径caliber of oil-gushing tube255080130连接管径Internal diameter of connection tube4580130165安装法兰螺孔中心距center point distant of installation flange901301706、8型23510、12型240螺栓直径数量diameter of bolt unitsM103M124M1266、8型M16612、16型M2083.2 螺纹安装尺寸（见表）Screw installation dimensions（given in Table ）表 单位mm Table unit: mm有效喷油口径caliber of oil-gushing202550箱盖开孔hole in tank lid324067螺纹螺距thread stepM271.5M361.5M602.04. 压力释放阀的选用Selection of pressure release valve4.1 有效喷油口径的选择（见表）Selection of effective caliber of oil-gushing（see Table ）表 Table 有效喷油口径（mm）effective caliber of oil-gushing20255080130油箱油重（）total oil weight in oil-tank0.21.51.54.54.511.511.523若变压器油箱油总重量超过23吨，可按下式选择压力释放阀的数量：总油量（吨）/23130口径压力释放阀的数量 X=total oil weight（t）/23The effective caliber of oil-gushing may be chosen according to Table . If the total oil weight in oil-tank exceeds 23t，the quantity of pressure release device to be used may be chosen according to following formula:锁帽Lock nut 保护套 protective cover 导油装置Oil equipment guide防雨帽Rain shield 排油管Drain line标示杆Indicator阀盖Valve lid阀罩Valve cover接线盒Junction box螺钉 Screw安装螺栓Mounting bolt阀座Valve seat放气阀Air vent valve密封胶垫Sealing gasket蝶阀Butterfly valve螺母Nuts变压器本体 排油管 Transformer body drain line 图 一 Picture I (例如 E.g.: YSF16-55,70/130KKJT) 注：变压器运行之前务必请将锁帽卸下并将保护套带上！Notes: be sure to remove the lock nut and wear the protective cover before starting the transformer! ! ! （图示为压力释放阀动作后的情形，动作前标示杆应在原位，防雨帽应与阀盖接触）(The picture shows what the pressure release valve looks like when running, the indicator should be in situ and the rain shield should be in contact with the valve lid before running.)4.2 开启压力的选择Selection of opening pressure首先计算关闭压力的大小First calculate closing pressure