Di rizin fɔ yuz achɛk valvna fɔ mek di mɛdiɔm nɔ flɔ bak, ɛn achɛk valvna in dɛn kin jɔs instɔl na di say we di pɔmp de kɔmɔt. Apat frɔm dat, achɛk valvna di say we di kɔmpreshɔn de kɔmɔt. In shot, fɔ mek di mɛdiɔm nɔ flɔ rivays, .chɛk valv dɛnfɔ instɔl am na ikwipmɛnt, divays ɔ paip layn.
Jɛnɛral wan, na vertikal liftinchɛk valv dɛndɛn kin pik dɛn pan ɔrizɔntal paip layn dɛn we gɛt nominal dayamita we na 50mm. Lift we de go stretchɛk valv dɛnkin instɔl pan ɔl tu di ɔrizɔntal ɛn vertikal layn dɛn. di fut valv jεnarali de כnli instכl pan di vεtikal layn na di pכmp inlet, εn di mεdiכm de fכlכ frכm bכtכm to tap.
Diswing chɛk valvkin mek wit ay wok prεshכn, PN we de rich 42MPa, εn DN kin bi bak rili big, we go rich pas 2000mm. Dipen pan di matirial fɔ di haus ɛn di sil dɛn, dɛn kin yuz ɛni wok mɛdiɔm ɛn ɛni ɔpreshɔn tɛmpracha rɛnj. di mεdiכm na wata, stim, gas, kכrosiv mεdiכm, כyl, it, mεdiכm, εtk.
Swing chɛk valv dɛndɛn kin instɔl am na say dɛn we nɔ gɛt limit ɛn dɛn kin instɔl am na ɔrizɔntal layn dɛn, bɔt dɛn kin instɔl am bak na layn dɛn we tinap ɔ we de inklin.
Dibɔtaflay chɛk valvna fayn fɔ lɔw prɛshɔn ɛn big dayamita, ɛn di instɔleshɔn sityueshɔn nɔ bɔku. Bikɔs di wok prɛshɔn we di...bɔtaflay chɛk valvnɔ kin rili ay, bɔt di nominal dayamita kin rili big, i kin rich pas 2000mm, bɔt di nominal prɛshɔn de dɔŋ 6.4MPa. Dibɔtaflay chɛk valvkin mek am insay wan pe klem tayp, we dɛn kin jɔs instɔl bitwin di tu flɛnch dɛn na di paip layn, ɛn i kin adopt di fɔm fɔ pe klem kɔnɛkshɔn.
Dibɔtaflay chɛk valvkin instɔl am na say we nɔ gɛt limit ɛn dɛn kin instɔl am na ɔrizɔntal, vertikal ɔ inklin layn.
Dayafragm we dɛn kin yuzchɛk valv dɛnna fayn fɔ paip layn dɛn we kin gɛt wata hama, ɛn di dayafragm kin rili pul wata hama we di mɛdiɔm de flɔ agens di flɔ. Bikɔs di wok tɛmpracha ɛn yuz prɛshɔn fɔ dayafragmchɛk valv dɛnna di limited by diaphragm materials, dεn kin jεnarali yuz dεm na lכw-prεshכn nכmal tεmprachכ paip layn dεm, spεshal wan we fit fכ wata paip layn dεm. jεnarali, di wok tεmprachכ fכ di mεdiכm de bitwin -20~120°C, εn di wok prεshכn na <1.6MPa, bכt di dayafragmchɛk valvkin ajɔst to big kaliba, ɛn di DN kin rich pas 2000mm.
Dayafragm we dɛn kin yuzchɛk valv dɛndɛn dɔn yuz am mɔ insay di las ia bikɔs dɛn de wok fayn fayn wan we nɔ de mek wata pas, dɛn strɔkchɔ rili simpul ɛn dɛn nɔ de tek bɔku mɔni fɔ mek dɛn.
Bɔlchɛk valvbikɔs di sil na bɔl we dɛn kɔba wit rɔba, so di silin pefɔmɛns fayn, di opareshɔn we pɔsin kin abop pan, ɛn di wata we de mek i nɔ shɔk fayn; Ɛn bikɔs di sil kin bi wan bɔl, ɔ dɛn kin mek am bɔku bɔku bɔl dɛn, so dɛn kin mek am big dayamita. Bɔt in sil dɛn na olo sfɛra dɛn we dɛn kɔt wit rɔba, we nɔ fayn fɔ di paip dɛn we gɛt ay prɛshɔn, na fɔ paip dɛn we gɛt midul ɛn lɔw prɛshɔn nɔmɔ.
Sins di haus matirial fɔ di bɔlchɛk valvkin mek wit stenlɛs stiɛl, ɛn di olo bɔl na di sil kin kɔt wit PTFE injinɛri plastic, dɛn kin yuz am bak na di paip layn fɔ jenɛral kɔrosiv midia.
di wok tεmprachכ fכ dis kayn chεk valv de bitwin -101~150°C, in nominal prεshכn na ≤4.0MPa, εn di nominal dayamita rεnj de bitwin 200~1200mm.
Di tɛm fɔ post: Epril-23-2023
