进口法兰Y型止回阀，直流式弹簧逆止阀原理慨述 Principle description

法兰Y型止回阀（直流式弹簧逆止阀）采用直流式阀体，升降式结构，流道通畅、流体阻力小，用于防止管路中介质倒流的单向阀 Flange Y-type check valve (DC spring check valve) is a one-way valve with a DC valve body and a lifting structure, smooth flow passage and low fluid resistance, which is used to prevent backflow of medium in the pipeline

技术规范 technical specifications

设计标准∶DIN3356

 结构长度∶DIN3202 

连接法兰∶DIN2543-2545 

试验和检验∶DIN3230

工作条件 Working conditions

口径范围：1/2～12”  Diameter range: 1/2 to 12”

工作压力:  16～40bar  Working pressure: 16 to 40bar

阀体材质：碳钢或不锈钢 Valve material: carbon steel or stainless steel

工作温度：-40～350℃ Working temperature: -40～350℃

进口法兰Y型止回阀，直流式弹簧逆止阀特征 features

可垂直水平安装，垂直安装介质必须有下向上 The valve can be installed vertically and horizontally, and the vertical installation medium must be downward and upward

阀瓣采用弹簧控制，运动更灵活轻便，保证良好的密封 retz品牌 The valve clack is controlled by spring, which makes the movement more flexible and light, ensuring good sealing

全流量、压损小、防水锤 Full flow, small pressure loss, waterproof hammer

阀瓣有弹性,密封性能好，启闭迅速，不易堆积杂务 The valve clack is elastic, with good sealing performance, quick opening and closing, and it is not easy to accumulate chores