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安全閥，直接控制DBDH…XC…E
規(guī)格6…30
組件系列1X
應(yīng)用領(lǐng)域符合防爆指令2014/34/EU：IM2,II2G,II2D
作為ATEX設(shè)備，符合應(yīng)用領(lǐng)域指令2014/34/EU：IM2、II2G、II2D
作為經(jīng)型式檢驗(yàn)驗(yàn)證的安全閥，符合壓力設(shè)備指令2014/68/EU
用作擰入式插裝閥（插件）
用于螺紋連接
用于底板安裝
使用手輪進(jìn)行調(diào)節(jié)
DBDH…XC…E型閥門為符合壓力設(shè)備指令2014/68/EU的經(jīng)型式檢驗(yàn)驗(yàn)證的直動(dòng)式溢流閥。這些閥門用于限制系統(tǒng)壓力并可用作安全閥。
如果超出通道P中的預(yù)設(shè)響應(yīng)壓力，則閥門會(huì)作出響應(yīng)并從內(nèi)部連接通道P和通道T。根據(jù)具體型號(hào)，閥門被設(shè)計(jì)為擰入式插裝閥（“K"），用于擰入式油路塊設(shè)計(jì)，或者作為帶有螺紋連接的閥門（“G"）或用于底板安裝的閥門（“P"）使用。實(shí)際用于所有型號(hào)的擰入式插裝閥主要由下列組件組成：套筒、彈簧、閥心（5.1，響應(yīng)壓力為400bar）或滾珠（5.2，響應(yīng)壓力為405bar或以上）、閥座和調(diào)節(jié)元件。彈簧將閥心(5.1)和/或滾珠(5.2)壓向閥座。在工廠，響應(yīng)壓力通過(guò)調(diào)節(jié)元件被設(shè)置為固定值；然后，將閥門封嚴(yán)。通道P連接到系統(tǒng)。系統(tǒng)中存在的壓力將作用于閥心和/或滾珠。如果通道P中的壓力升高到超過(guò)彈簧預(yù)緊力所的值，則閥心和/或滾珠將在彈簧力的驅(qū)使下升離閥座并連接通道P和T。液壓油從通道P流入通道T。閥心可能達(dá)到的行程受限于結(jié)構(gòu)尺寸。此類閥門適用于漸變響應(yīng)壓力（以5bar為間隔）。用戶不但可以通過(guò)手輪卸載閥彈簧，而且還能在不拆除鉛封的情況下設(shè)定小于出廠設(shè)置的響應(yīng)壓力。請(qǐng)參閱操作說(shuō)明