| 系列 Series |
| WA42Y-16C WA42Y-25 WA42Y-40 WA42Y-64 WA42Y-100 WA42Y-16P WA42Y-25P WA42Y-40P WA42Y-64P WA42Y-100P WA42Y-16R WA42Y-25R WA42Y-40R WA42Y-64R WA42Y-100R |
| 装置。连接法兰标准≤4MPa采用JB/T……-94系列1。>4MPa按JB/T……-94系列2标准。本阀门适用于工作温度≤200℃存在不稳定背压或有毒、腐蚀性介质的设备或管路上，作为超压保护 |
| These safety valves are used for the equipment and pipeline of the poisonous gas, quality with corrode medium what the working temperature are less than 200 . Take for extra pressure protection devices. Flange connectiong dimensions of comply with Standard series first of JB/T -94 when less than 4MPa, comply wiht Standard series two of JB/T -94 when more than 4MPa. |
| 主要零部件材料 Explanation of materials for main parts |
| NO. | Name of part | WA42Y-C Materials | WA42Y-P Materials | WA42Y-R Materials |
| 1 | 阀 体Body | WCB | ZG1Cr18Ni9Ti, 304 | CF8M |
| 2 | Nozzle | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 3 | 调 节 圈 Adjusting ring | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
| 4 | 阀 瓣 Disc | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 5 | Disc holder | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 6 | Bellows | 304 | 304 | 316 |
| 7 | 导 向 套Guide sleeve | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2Ti |
| 8 | 阀 盖Bonnet | ZG230-450 | ZG230-450 | ZG230-450 |
| 9 | 弹 簧Spring | 50CrVA | 50CrVA Coated Teflon | 50CrVA Coated Teflon |
| | Sealing surface of material | | | |
