诺冠比例阀代理-NORGREN比例阀安装维护说明

每台NORGREN诺冠比例阀（包括其旗下的HERION海隆比例阀、BUSCHJOST宝硕比例阀、MAXSEAL比例阀）都会有明确铭牌，标注出相关的信息，在安装前务必要检查铭牌上的型号、压力、电压、频率和应用是否正确。比例阀不能用于不相容的介质或者在超过其额定压力值的工况下使用。

　　二、位置固定

　　除非特别指出，比例阀安装在任意位置都可以正常工作。然而，为了优化使用性能和寿命，比例阀应该竖直向上安装，以避免异物积聚在比例阀阀芯组件部位。

　　三、气路配管

　　根据阀体上的标记连接阀门管路系统。只需在管子的外螺纹上缠绕适量密封生料带。如果在比例阀的内螺纹上使用生料，生料可能会进入阀中并造成运行困难。通过正确支撑和布管来避免发生管道变形。在紧固管道时，不要使用阀门或比例阀作为杠杆。扳手在阀体或者管路上的施力位置应该尽可能靠近接头。

　　要点：为保护比例阀，在尽可能靠近阀门的入口侧安装适宜的过滤网或者过滤器。根据运行条件定期清洗。

　　警告：为防止可能发生的人身伤害或者财产损失，在对比例阀进行维护前，必须切断电源、将阀门减压，并将流体排放到安全区域。

　　注意：修理时不需要将阀门从管道上卸下。

　　四、电缆接线

　　接线必须符合中国国际标准GB6109或中国以外区域的当地电器标准。如果比例阀许可用于危险区域，那么应该使用导管或者电缆密封，以防危险介质进入未保护区域，例如非防爆控制面板等。关于防爆接线，请参考中国国家标准GB3836.15。

　　注意：大多数交流（AC）与直流（DC）比例阀的结构不同。有关彼此之间的转换，请联系诺冠NORGREN技术服务人员，可能需要更改整个比例阀，包括阀芯组件和底座组件等。

　　五、温度要求

　　关于阀门的最高环境温度及流体温度，请参考铭牌标识。如需要更高的环境温度及流体温度，请联系诺冠NORGREN技术服务人员。

　　标准型号的比例阀配备有设计用于连续运行的线圈。比例阀长时间通电后，线圈外壳变热，只能用于短期触摸。这是安全运行温度。任何过热都将通过线圈绝缘层燃烧产生的烟或者气味来指示。

　　六、定期维护

　　1、保护介质尽可能通畅地流过比例阀，避免灰尘和异物侵入。

　　2、在使用中，阀门应该至少每月运行一次，以确保正常开启和关闭。

　　3、根据介质和运行条件不同，建议定期检查阀门内部零件是否损坏或者过量磨损，彻底清洗所有零件。

　　4、所有阀门都有应该定期清洗。清洗的时间间隔根据介质和运行条件的不同而不同。一般来说，如果加在线圈上的电压正确，那么运行迟滞、噪声或者泄漏过大都表示需要进行清洗。在极端情况下，可能会发生阀门运行故障，或者阀门不能开启及关闭。在清洗阀门时，应同时清洗过滤网或者过滤器。

　　七、不正确的操件

　　1、控制回路故障：通过比例阀通电检查电气系统。金属“卡嗒"声表示比例阀正在运行。没有卡嗒声表示没有通电。检查保险丝是否松动或者熔断，检查线圈是否断路或者接地，检查引线或者连接处是否断开。

　　2、线圈烧坏：检查线圈是否断路。如果需要则更换线圈。

　　3、电压低：检查阀在线圈引线两端的电压，电压不能低于铭牌上额定电压值的85%。

　　4、压力不正确：检查阀门压力。阀门压力必须在铭牌上指定的压力范围之内。

5、泄漏过大：拆开阀门并清洗所有零件。用完整的维修包更换磨损或者损坏的零件，以获得最佳效果。

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NORGREN比例阀-诺冠比例阀特价供应