| 产品特性：安全阀 | 品牌：永一 | 型号：YFA42C |
| 阀瓣开启高度：全启式安全阀 | 结构形式：弹簧式 | 3C阀门类别：工业 |
| 加工定制：是 | 连接形式：法兰 | 材质：碳钢 |
| 公称通径：DN20-500mm | 适用介质：水 | 标准：美标 |
| 流动方向：单向 | 零部件及配件：配件 | 形态：角式 |
| 压力环境：常压 | 类型(通道位置)：二通式 | 阀体构造：封闭式 |
| 规格：DN20-500 |
YFA42C、YFWA42C 大口径安全阀永一美标安全阀
用途及特点Application & Features
1.适用于炼油连续重整、三十万吨乙烯、尿素化肥、电厂汽轮机
等场合，起安全泄压作用。
2.根据用户介质、温度等特殊需要，分别可以采用不同材料、不
同结构的安全阀。有适用于尿素化肥的双相不锈钢安全阀，适用于炼
油用的波纹管平衡式安全阀，适用于电厂的合金钢高温安全阀。
1. Applicable to the environment of oil refining continuous
reforming, three hundred thousand tons ethene, carbamide man-
ure, power station steam turbine, take care for release pressure
safety.
2. According to different medium, temperature and other sp-
ecial. We respective adopt in different material and structure sa-
fety valve. Such as ferrtic stainless steel safety valve suitable
for carbamide manure, balance bellows safety valve suitable for
oil refining, allay steel high temperature safety valve suitable for
power station.
