起订量:
升降式立式止回阀
免费会员
经销商主要性能规范
试验压力(MPa) | 公称压力PN(MPa) | ||
1.6 | 2.5 | 4.0 | |
壳体强度试验 | 2.4 | 3.75 | 6.0 |
密封试验(液) | 1.76 | 2.75 | 4.4 |
密封试验(液) | 0.5~0.7 | ||
适用介质 | C 水、蒸汽、油品 | P 硝酸类 | R 油品 |
适用温度 | ≤425℃ | ≤100℃ | ≤550℃ |
结构长度:GB/T1221-89
法兰标准:JB79-59
主要外形尺寸和连接尺寸
公称压力PN(MPa) | DN | L | H | D | D1 | D2 | D6 | b | f | f2 | Z-фd |
1.6 | 15 | 130 | 77 | 95 | 65 | 45 | - | 2 | 14 | - | 4-14 |
20 | 150 | 77 | 105 | 75 | 55 | - | 2 | 14 | - | 4-14 | |
25 | 160 | 80 | 115 | 85 | 65 | - | 2 | 16 | - | 4-14 | |
32 | 180 | 85 | 135 | 100 | 78 | - | 2 | 16 | - | 4-18 | |
40 | 200 | 95 | 145 | 110 | 85 | - | 3 | 16 | - | 4-18 | |
50 | 230 | 105 | 160 | 125 | 100 | - | 3 | 16 | - | 4-18 | |
65 | 290 | 120 | 180 | 145 | 120 | - | 3 | 18 | - | 4-18 | |
80 | 310 | 130 | 195 | 160 | 135 | - | 3 | 20 | - | 8-18 | |
100 | 350 | 140 | 215 | 180 | 155 | - | 3 | 20 | - | 8-18 | |
125 | 400 | 155 | 245 | 210 | 185 | - | 3 | 22 | - | 8-18 | |
150 | 480 | 180 | 280 | 240 | 210 | - | 3 | 24 | - | 8-23 | |
200 | 600 | 215 | 335 | 295 | 265 | - | 3 | 26 | - | 12-23 | |
2.5 | 15 | 130 | 100 | 95 | 65 | 45 | - | 2 | 16 | - | 4-14 |
20 | 150 | 105 | 105 | 75 | 55 | - | 2 | 16 | - | 4-14 | |
25 | 160 | 120 | 115 | 85 | 65 | - | 2 | 16 | - | 4-14 | |
32 | 180 | 130 | 135 | 100 | 78 | - | 2 | 18 | - | 4-18 | |
40 | 200 | 135 | 145 | 110 | 85 | - | 3 | 18 | - | 4-18 | |
50 | 230 | 149 | 160 | 125 | 100 | - | 3 | 20 | - | 4-18 | |
80 | 310 | 169 | 195 | 160 | 135 | - | 3 | 22 | - | 8-18 | |
100 | 350 | 194 | 230 | 190 | 160 | - | 3 | 24 | - | 8-23 | |
150 | 480 | 255 | 300 | 250 | 218 | - | 3 | 30 | - | 8-25 | |
200 | 600 | 305 | 360 | 310 | 278 | - | 3 | 34 | - | 12-25 | |
4.0 | 15 | 130 | 100 | 95 | 65 | 45 | 40 | 2 | 16 | 4 | 4-14 |
20 | 150 | 105 | 105 | 75 | 55 | 51 | 2 | 16 | 4 | 4-14 | |
25 | 160 | 120 | 115 | 85 | 65 | 58 | 2 | 16 | 4 | 4-14 | |
32 | 180 | 130 | 135 | 100 | 78 | 66 | 2 | 18 | 4 | 4-18 | |
40 | 200 | 135 | 145 | 110 | 85 | 76 | 3 | 18 | 4 | 4-18 | |
50 | 230 | 149 | 160 | 125 | 100 | 88 | 3 | 20 | 4 | 4-18 | |
80 | 310 | 169 | 195 | 160 | 135 | 121 | 3 | 22 | 4 | 8-18 | |
100 | 350 | 194 | 230 | 190 | 160 | 150 | 3 | 24 | 4.5 | 8-23 | |
150 | 480 | 255 | 300 | 250 | 218 | 204 | 3 | 30 | 4.5 | 8-25 | |
200 | 600 | 305 | 375 | 320 | 282 | 260 | 3 | 38 | 4.5 | 12-30 |