低溫安全閥工作原理：
KDA22F-25P KDA22F-40P低溫安全閥是(shi)指用于低(di)溫(wen)(wen)(wen)液氮(dan)(dan)(dan)(dan)系統上(shang)，啟(qi)閉件(jian)受外力作用下處于常(chang)閉狀態，當低(di)溫(wen)(wen)(wen)設(she)備(bei)(bei)或管道內的低(di)溫(wen)(wen)(wen)液氮(dan)(dan)(dan)(dan)介質(zhi)壓力升高超(chao)過規定(ding)值時，通(tong)過向系統外排放液氮(dan)(dan)(dan)(dan)來防止低(di)溫(wen)(wen)(wen)管道或設(she)備(bei)(bei)內介質(zhi)壓力超(chao)過規定(ding)數值的閥門。控制低(di)溫(wen)(wen)(wen)液氮(dan)(dan)(dan)(dan)不(bu)超(chao)過規定(ding)值，對人身安(an)(an)全(quan)(quan)和設(she)備(bei)(bei)運(yun)行起重(zhong)要保護(hu)作用。低(di)溫(wen)(wen)(wen)液氮(dan)(dan)(dan)(dan)安(an)(an)全(quan)(quan)閥主要產(chan)品(pin)有(you)低(di)溫(wen)(wen)(wen)液氮(dan)(dan)(dan)(dan)安(an)(an)全(quan)(quan)閥，低(di)溫(wen)(wen)(wen)泄(xie)壓閥，低(di)溫(wen)(wen)(wen)不(bu)銹鋼安(an)(an)全(quan)(quan)閥，低(di)溫(wen)(wen)(wen)液氮(dan)(dan)(dan)(dan)安(an)(an)全(quan)(quan)閥，液氮(dan)(dan)(dan)(dan)全(quan)(quan)啟(qi)式安(an)(an)全(quan)(quan)閥，液氮(dan)(dan)(dan)(dan)微啟(qi)式安(an)(an)全(quan)(quan)閥，液氮(dan)(dan)(dan)(dan)法蘭安(an)(an)全(quan)(quan)閥，液氮(dan)(dan)(dan)(dan)螺(luo)紋安(an)(an)全(quan)(quan)閥，低(di)溫(wen)(wen)(wen)液氮(dan)(dan)(dan)(dan)小口徑安(an)(an)全(quan)(quan)閥等。
概述：
KDA22F-25P KDA22F-40P低溫安全閥主要用于液氧(yang)（液氮、液氬）等低溫(wen)液態介質系統上，具有(you)啟動自(zi)如、密封可(ke)靠、起跳壓(ya)力(li)穩定等特點。
規范：
型號：KDA22F-25P KDA22F-40P
公稱(cheng)通徑：DN 20、25、32mm
公稱壓(ya)力：PN 6.4MPa
適用介質：LO2、LN2、LAR、LNG等
適(shi)用溫(wen)度：-196℃-+80℃
低溫安全閥外形結構圖：
低溫安全閥連接尺寸：
公(gong)稱通徑 DN(mm) | DA22F 低(di)溫(wen)安全(quan)閥 | 重量 (kg) | |||||
尺 寸(mm) | |||||||
L | L1 | L2 | L3 | M1 | M2 | ||
10 | 138 | 35 | 46 | 15 | M30×1.5 | M24×1.5 | 0.95 |
15 | 157 | 45 | 50 | 15 | M30×1.5 | M33×1.5 | 1.12 |
20 | 167 | 48 | 60 | 18 | M30×1.5 | M42×2 | 1.23 |
25 | 182 | 50 | 62 | 20 | M36×2 | M45×2 | 1.68 |
40 | 340 | 75 | 90 | 26 | M56×2 | M64×2 | 8.3 |
50 | 378 | 85 | 97 | 26 | M64×2 | M80×2 | 9.5 |
