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[简介]：上海瑞普呼吸阀阀门厂
充分利用油罐本身的承压能力来减少油蒸气排放，其原理是利用阀盘的重量来控制油罐的呼气正压和吸气负压。当罐内气体的压力在机械呼吸阀的控制压力范围之内时，呼吸阀不动作，保持油罐的密闭性；当罐内气体空间的压力升高，达到呼吸阀的控制正压时，压力阀被顶开，气体从罐内逸出，使罐内压力不在继续增高；当罐内气体空间的压力下降，达到呼吸阀的控制负压时，罐外的大气将顶开真空阀而进入罐内，使罐内的压力不在继续下降。
[呼吸阀其他技术参数备注]：
1呼吸阀价格由口径、材质、压力的不同而异，恕不公布价格！
2连接形式：法兰
3传动方式：自动
4口径从DN6-DN600；压力从1.0MPA-6.4MPA；温度-100℃-600℃
[Introduction]:Shanghai Ruipu Breathing valve Valve Factory
Full use of its bearing capacity of the tank to reduce the oil vapor emissions, the principle is to use the weight of the valve plate to control the breath pressure and suction tank negative pressure. When the pressure of the gas tank in the mechanical breathing valve control pressure within the breathing valve does not move, keep the tank airtight; gas space when the tank pressure increases, breathing valve to control pressure, the pressure top of the valve is open, the gas escaping from the tank so the tank pressure does not continue to increase; gas space when the tank pressure drops to negative pressure breathing valve control, tank top outside air will enter the tank to open the vacuum valve , so that tank pressure does not continue to decline.
上海瑞普阀门有限公司生产制造产品有：
球阀、闸阀、蝶阀、截止阀、止回阀、止回阀、电磁阀、安全阀、针型阀、疏水阀、旋塞阀、隔膜阀、放料阀、排气阀、呼吸阀、过滤器、阻火器、角座阀、平衡阀、排污阀、排泥阀、切断阀、减压阀、管夹阀、柱塞阀、底阀、视镜、法兰、水力控制阀
上海瑞普阀门有限公司 主要代理九大进口品牌：
[德国凯尔(KIER)] [德国尼博尔(NIBOR)][德国柏林阀门(BOLI)N] [德国诺克阀门(NOOKER)] [美国克里斯阀门(CHRIS)] [英国保罗阀门(PAUL)] [日本北泽阀门(KITZ)] [日本阀天阀门(VENN)] [日本日立阀门(HITACHI)]