文档介绍：5 SFF508 型压力真空释放阀 SFF508 Press/Vacuum Release Valve 使用说明书 Operation Instruction 江苏国能环保设备有限公司 Jiangsu Guoneng Environment Protection Equipment Co,. Ltd. 5 目录 C ontents 产品型号、名称…………………………………………………… 2 Product model, name 外形图…………………………………………………………… 2 O utside drawing 用途和适用范围………………………………………………… 2 Function and applicable range 主要技术参数…………………………………………………… 2 Main technical parameter 结构与工作原理………………………………………………… 3 S tructure and working principle 5 一、产品型号、名称 1. Product model, name 1. 型号: SFF508 Model: SFF508 2. 名称:压力真空释放阀 Name: pressure/vacuum release valve 二、外形图 2. Outside drawing 三、用途和适用范围 3. Function and applicable range 1. 用途: Function: 在充气、排气和不正常的温度变化时, 保护容器不受过量的正压和负压。 In the case of gas filling, exhausting and abnormal temperature variation , 5 it can protect the vessel from excessive positive pressure and negative pressure. 2. 适用范围: Applicable range: 1 )在容器正常通气时,延迟气化物的逃逸以降低有价值的蒸发气的损失; In the case of normal ventilation of vessel, delay the escape of gasifying agent so as to reduce the loss of valuable vapour . 2 )在贮存产品时,保持惰性气体密封层; When storing products, it maintains the seal course of inert gas . 3 )在处理因外部热源引起内部压力过量时,作为优良的二次或备用保险。 When processing the excessive internal pressure caused by external heat source, it acts as excellent secondary or spare insurance . 四、主要技术参数 4. Main technical parameter 1. 压力真空释放阀型号含义: Meaning of pressure/vacuum release