H42F氨用止回閥產(chǎn)品概述:
止回閥是能自動(dòng)阻止流體倒流的閥門。止回閥的閥瓣在流體壓力作用下開啟,流體從進(jìn)口側(cè)流向出口側(cè)。當(dāng)進(jìn)口側(cè)壓力低于出口側(cè)時(shí),閥瓣在流體壓差、本身重力等因素作用下自動(dòng)關(guān)閉以防止流體倒流。
H42F氨用止回閥性能規(guī)范:
型 號(hào) | 公稱 | 主要結(jié)構(gòu)尺寸(mm) | 閥體 材料 | 性能規(guī)范 | ||||||
通徑DN(mm) | 壓力 PN(MPa) | D | D1 | L | L1 | H | 適用溫度(℃) | 適用介質(zhì) | ||
H42F-25 | 100 | 2.5 | 230 |
| 210 |
|
| 碳鋼 | ≤150 | 氨氣、蒸氣等 |
" | 125 | " | 270 |
| 275 |
|
| " | " | " |
" | 150 | " | 300 |
| 300 |
|
| " | " | " |
" | 200 | " | 360 |
| 380 |
|
| " | " | " |
H42F-40 | 100 | 4.0 | 230 |
| 210 |
|
| 碳鋼 | ≤150 | 氨氣、蒸氣等 |
" | 125 | " | 270 |
| 275 |
|
| " | " | " |
" | 150 | " | 300 |
| 300 |
|
| " | " | " |
" | 200 | " | 375 |
| 380 |
|
| " | " | " |
外形連接尺寸:
公稱壓力 | 公稱通徑 | 主要連接尺寸 | 外形 | ||||||||
L | D | D 1 | D 2 | D 6 | b | f | f 1 | Z-φd | H | ||
H42F-16P.R | 40 | 200 | 145 | 110 | 85 | - | 16 | 2 | - | 4-18 | 95 |
50 | 230 | 160 | 125 | 100 | - | 16 | 2 | - | 4-18 | 105 | |
65 | 290 | 180 | 140 | 120 | - | 18 | 2 | - | 4-18 | 120 | |
80 | 310 | 195 | 165 | 135 | - | 20 | 3 | - | 8-18 | 130 | |
100 | 350 | 215 | 180 | 155 | - | 20 | 3 | - | 8-18 | 140 | |
125 | 400 | 245 | 210 | 185 | - | 22 | 3 | - | 8-12 | 155 | |
150 | 480 | 280 | 240 | 210 | - | 24 | 3 | - | 8-23 | 180 | |
200 | 600 | 335 | 295 | 265 | - | 26 | 3 | - | 12-23 | 215 |