當(dāng)設(shè)備壓力升高達(dá)到預(yù)定值時(shí),安全閥自動(dòng)開(kāi)啟,繼而全量排放,防止設(shè)備壓力繼續(xù)升高;當(dāng)壓力降低到規(guī)定值時(shí),安全閥及時(shí)自動(dòng)關(guān)閉。雙聯(lián)式安全閥是選用者為保護(hù)工程設(shè)備安全運(yùn)行的的,zui科學(xué)的明智選擇。
雙聯(lián)式安全閥主要連接尺寸:
型 號(hào) | 公稱 | 主要結(jié)構(gòu)尺寸(mm) | 閥體 | 簡(jiǎn)要性能 | 備注 | ||||||
通徑 | 壓力 | D | D1 | L | L1 | H | 適用溫度 | 適用介質(zhì) | |||
A43H-16C | 80 | 1.6 | 195 | 165 | 135 | 310 | 817 | 鑄鋼 | ≤350 | 蒸氣等 |
|
" | 100 | " | 215 | 195 | 160 | 355 | 975 | " | " | " |
|
" | 150 | " | 285 | 245 | 190 | 430 | 1025 | " | " | " |
|
A43H-25 | 80 | 2.5 | 195 | 160 | 130 | 310 | 817 | 鑄鋼 | ≤350 | 蒸氣等 |
|
" | 100 | " | 230 | 195 | 160 | 355 | 975 | " | " | " |
|
" | 150 | " |
|
|
|
|
| " | " | " |
|
A43H-40 | 80 | 4.0 | 195 | 160 | 130 | 310 | 817 | 鑄鋼 | ≤350 | 蒸氣等 |
|
" | 100 | " | 230 | 195 | 160 | 355 | 975 | " | " | " |
|
" | 150 | " |
|
|
|
|
| " | " | " |
|
SA37H-16C | 80 | 1.6 | 195 | 160 | 145 | 310 | 817 | 鑄鋼 | ≤350 | 蒸氣等 |
|
SA37H-25 | 80 | 2.5 | 195 | 160 | 145 | 310 | 817 | 鑄鋼 | ≤350 | 蒸氣等 |
|
SA37H-40 | 80 | 4.0 | 195 | 160 | 145 | 310 | 817 | 鑄鋼 | ≤350 | 蒸氣等 |
|
SA38Y-16C | 80 | 1.6 | 195 | 180 | 255 | 312 | 682 | 鑄鋼 | ≤350 | 蒸氣等 |