性能參數
公稱壓力(Mpa) | 1.6 | 2.5 | |
試驗壓力(Mpa) | 2.4 | 3.8 | |
閥體材料 | ZG25Ⅱ堆焊 | P:ZG1Cr18Ni9Ti | R:ZG1Cr18Ni12Mo2Ti |
閥瓣材料 | ZG1Cr18Ni9Ti | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
適用介質 | 蒸汽、水等 | 硝酸等 | 尿素等 |
適用溫度 | ≤300℃ | ≤200℃ | ≤200℃ |
DN | L | D | D0 | D1 | b | f | n-d | H |
15 | 130 | 95 | 65 | 45 | 12/16 | 2 | 4-14 | 70/72 |
20 | 150 | 105 | 75 | 55 | 12/16 | 2 | 4-14 | 70/72 |
25 | 160 | 115 | 85 | 65 | 12/16 | 2 | 4-14 | 70/76 |
32 | 180 | 135 | 100 | 78 | 15/18 | 2 | 4-18 | 104/118 |
40 | 200 | 145 | 110 | 85 | 16/18 | 3 | 4-18 | 126/130 |
50 | 230 | 160 | 125 | 100 | 16/20 | 3 | 4-18 | 134/145 |
65 | 290 | 180 | 145 | 120 | 18/22 | 3 | 4-18/8-18 | 145/154 |
80 | 310 | 195 | 160 | 135 | 20/22 | 3 | 8-18 | 160/167 |
100 | 350 | 215/230 | 180/190 | 155/160 | 20/24 | 3 | 8-18/8-23 | 181/168 |
125 | 400 | 245/270 | 210/220 | 185/188 | 22/28 | 3 | 8-18/8-25 | 201/192 |
150 | 480 | 280/300 | 240/250 | 210/218 | 24/30 | 3 | 8-23/8-25 | 237/217 |
200 | 600 | 335/360 | 295/310 | 265/278 | 26/34 | 3 | 12-23/12-25 | 267/243 |
說明: 1.斜線上數字為1.6Mp尺寸,線下為2.5Mp尺寸 2.該閥連接尺寸按JB79-59的規定。結構尺寸按JB96-75(GB12221-89)的規定 |