| “上明”牌WA42Y波纹管平衡式安全阀适用于工作温度≤200℃存在不稳定背压或有毒、腐蚀性介质的设备或管路上,作为超压保护装置。连接法兰标准≤4MPa采用JB/T6……94系列1。>4MPa采用JB/T……94系列2标准。主要零部件材料                                                             | NO. | 零件名称 | WA42Y-C型材料 | WA42Y-P型材料 | WA42Y-R型材料 |                          | 1 | 阀体 | WCB | ZG1Cr18Ni8Ti,304 | CF8M |                          | 2 | 阀座 | 2Cr13 | 1Cr18Ni8Ti | 316 |                          | 3 | 调节圈 | 2Cr13 | 1Cr18Ni8Ti | 0Cr18Ni12Mo2Ti |                          | 4 | 阀瓣 | 2Cr13 | 1Cr18Ni8Ti | 316 |                          | 5 | 反冲盘 | 2Cr13 | 1Cr18Ni8Ti | 316 |                          | 6 | 波纹管 | 304 | 304 | 316 |                          | 7 | 导向套 | 2Cr13 | 1Cr18Ni8Ti | 0Cr18Ni12Mo2Ti |                          | 8 | 阀盖 | ZG230-450 | ZG230-450 | ZG230-450 |                          | 9 | 弹簧 | 50CrVA | 50CrVA包覆氟塑料 | 50CrVA包覆氟塑料 |                          |   | 密封面材料 |   |   |   |  ■ 外形尺寸和连接尺寸                                                             | 型号 | 公称通径 | do | D | K | g | g1 | b | f | f1 | Z-ød | DN" | D1 | K1 | g3 | g2 | b1 | f" | f1" | Z1-ød1 | L | L1 | ≈H |                          |                         WA42Y-16 WA42Y-16P
 WA42Y-16R
 | 25 | 16 | 115 | 85 |   | 65 | 16 | 2 |   | 4-14 | 32 | 140 | 100 |   | 78 | 18 | 2 |   | 4-18 | 110 | 95 | 378 |                          | 32 | 20 | 140 | 100 |   | 78 | 18 | 2 |   | 4-18 | 40 | 150 | 110 |   | 85 | 18 | 3 |   | 4-18 | 115 | 100 | 378 |                          | 40 | 25 | 150 | 110 |   | 85 | 18 | 3 |   | 4-18 | 50 | 165 | 125 |   | 100 | 18 | 3 |   | 4-18 | 120 | 110 | 406 |                          | 50 | 32 | 165 | 125 |   | 100 | 20 | 3 |   | 4-18 | 65 | 185 | 145 |   | 120 | 20 | 3 |   | 4-18 | 135 | 120 | 450 |                          | 65 | 40 | 185 | 145 |   | 120 | 20 | 3 |   | 4-18 | 80 | 200 | 160 |   | 135 | 20 | 3 |   | 8-18 | 160 | 140 | 520 |                          | 80 | 50 | 200 | 160 |   | 135 | 20 | 3 |   | 8-18 | 100 | 220 | 180 |   | 155 | 22 | 3 |   | 8-18 | 170 | 135 | 525 |                          | 100 | 65 | 220 | 180 |   | 155 | 22 | 3 |   | 8-18 | 125 | 250 | 210 |   | 185 | 22 | 3 |   | 8-18 | 195 | 175 | 690 |                          | 125 | 80 | 250 | 210 |   | 185 | 22 | 3 |   | 8-18 | 150 | 285 | 240 |   | 210 | 24 | 3 |   | 8-23 | 210 | 190 | 857 |                          | 150 | 100 | 285 | 240 |   | 210 | 24 | 3 |   | 8-23 | 175 | 310 | 270 |   | 240 | 26 | 3 |   | 8-23 | 255 | 230 | 838 |                          | 200 | 125 | 340 | 295 |   | 265 | 26 | 3 |   | 12-23 | 250 | 405 | 355 |   | 320 | 30 | 3 |   | 12-26 | 300 | 260 | 992 |                          | WA42Y-25WA42Y-25P
 WA42Y-25R
 | 25 | 16 | 115 | 85 |   | 65 | 16 | 2 |   | 4-14 | 32 | 140 | 100 |   | 78 | 18 | 2 |   | 4-18 | 110 | 95 | 378 |                          | 32 | 20 | 140 | 100 |   | 78 | 18 | 2 |   | 4-18 | 40 | 150 | 110 |   | 85 | 18 | 3 |   | 4-18 | 115 | 100 | 378 |                          | 40 | 25 | 150 | 110 |   | 85 | 18 | 3 |   | 4-18 | 50 | 165 | 125 |   | 100 | 20 | 3 |   | 4-18 | 120 | 110 | 406 |                          | 50 | 32 | 165 | 125 |   | 100 | 20 | 3 |   | 4-18 | 65 | 185 | 145 |   | 120 | 20 | 3 |   | 4-18 | 135 | 120 | 450 |                          | 65 | 40 | 185 | 145 |   | 120 | 22 | 3 |   | 8-18 | 80 | 200 | 160 |   | 135 | 20 | 3 |   | 8-18 | 160 | 140 | 520 |                          | 80 | 50 | 200 | 160 |   | 135 | 22 | 3 |   | 8-18 | 100 | 220 | 180 |   | 155 | 22 | 3 |   | 8-18 | 170 | 135 | 525 |                          | 100 | 65 | 230 | 190 |   | 160 | 24 | 3 |   | 8-23 | 125 | 250 | 210 |   | 185 | 22 | 3 |   | 8-18 | 195 | 175 | 690 |                          | 125 | 80 | 270 | 220 |   | 188 | 28 | 3 |   | 8-26 | 150 | 285 | 240 |   | 210 | 24 | 3 |   | 8-23 | 210 | 190 | 780 |                          | 150 | 100 | 300 | 250 |   | 218 | 30 | 3 |   | 8-26 | 175 | 310 | 270 |   | 240 | 26 | 3 |   | 8-23 | 255 | 230 | 838 |                          | 200 | 125 | 360 | 310 |   | 278 | 34 | 3 |   | 12-26 | 250 | 405 | 355 |   | 320 | 30 | 3 |   | 12-26 | 300 | 260 | 992 |  |