加工定制: | 否 |
品牌: | 郑蝶 |
型号: | A27W-25P |
连接形式: | 内螺纹 |
材质: | 碳钢 |
阀瓣开启高度: | 微启式安全阀 |
结构形式: | 弹簧式 |
公称通径: | DN10/15/20/25/32/40/50/65/80 |
适用介质: | 水 |
标准: | 国标 |
流动方向: | 单向 |
零部件及配件: | 阀杆 |
形态: | 蝶式 |
压力环境: | 常压 |
类型(通道位置): | 二通式 |
阀体构造: | 封闭式 |
规格: | DN10,DN15,DN20,DN25,DN32,DN40,DN50,DN65,DN80 |
用途: | 安全 |
A27W-16P/10P型适用于工作温度≤200℃的水、空气、蒸气等介质的设备或管路上。A27Y适用于工作温度≤200℃有腐蚀性介质的设备或管路上,作为超压保护装置。 | ||||
主要零部件材料Explanation of materials for main parts | ||||
NO. | Name of part | A27H Materials | A27W-P Materials | A27W-R Materials |
1 | Body | HT350 | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
2 | Nozzle | 35 | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
3 | Adjusting ring | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
4 | Disc | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
5 | Spring | 50CrVA | 50CrVACoated Teflon | 50CrVACoated Teflon |
6 | Stem | 2Cr13 | 2Cr13 | 1Cr18Ni9Ti |
7 | Adjusting bolt | 45 | 2Cr13 | 1Cr18Ni9Ti |
8 | Cap | ZG200-400 | ZG200-400 | 1Cr18Ni9Ti |
Sealing surface of material | D507 Depositing D507 | CoDepositing stellite | ||
10 | Adjusting nut | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
Sealing surface of material | "Y" CoDepositing stellite, "H" D507 Depositing D507, "W"body |