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電動(dòng)閘閥 開關(guān)型電動(dòng)法蘭閘閥 MZ941H-16C主要用于煤礦，井下，一般這種防爆礦用電動(dòng)閘閥，帶煤安電動(dòng)閘閥，礦用防爆電動(dòng)閘閥電源電壓有380V和660V,這種電動(dòng)閘閥必須帶有煤安證才能進(jìn)礦。電動(dòng)裝置特點(diǎn):擁有礦用證和煤安證,防爆型防護(hù)等級(jí)為IP68。適用于易燃易爆的場(chǎng)合,安全系數(shù)高、操作功能強(qiáng)、性能穩(wěn)定等。防爆型產(chǎn)品有dI和dIIBT4兩種，dI適用于煤礦非采掘工作面；dIIBT4用于工廠，適用于環(huán)境為IIA、IIB級(jí)T1～T4組的爆炸性氣體混合物。本產(chǎn)品的性能符合JB/T8528-1997<普通型閥門電動(dòng)裝置技術(shù)條件>的規(guī)定。防爆型的性能符合GB3836.1-2000<爆炸性環(huán)境用防爆電氣設(shè)備通用要求>及JB/T8529-1997<隔爆型閥門電動(dòng)裝置技術(shù)條件>的規(guī)定。并經(jīng)國(guó)家防爆電氣產(chǎn)品測(cè)試中心檢定，取得了防爆合格證。整體型電裝是在Z普通型基礎(chǔ)上派生而成，增加了不少電器和電子元件，整體普通型電氣部分主要由多功能模塊MK1 遠(yuǎn)程控制模塊MK2 按鈕盒指示燈、開度表、接觸器等組成。多功能模塊MK1又由相位識(shí)別器XS、接觸器互鎖保護(hù)器HB和直流電源DC三部分組成。遠(yuǎn)程模塊MK2由四個(gè)固態(tài)繼電器和三個(gè)撥碼開關(guān)組成。整體調(diào)節(jié)型電氣部分由調(diào)節(jié) 模塊TMK、 防爆礦用電動(dòng)閘閥，帶煤安電動(dòng)閘閥，防爆礦用電動(dòng)閘閥，礦用防爆電動(dòng)閘閥，電動(dòng)閘閥 開關(guān)型電動(dòng)法蘭閘閥 MZ941H-16C主要用于煤礦，井下，一般這種防爆礦用電動(dòng)閘閥，帶煤安電動(dòng)閘閥，礦用防爆電動(dòng)閘閥電源電壓有380V和660V,這種電動(dòng)閘閥必須帶有煤安證才能進(jìn)礦接觸器等組成?？刂凭€為220V，50Hz（特殊訂貨60Hz）；遠(yuǎn)程控制為24VDC。調(diào)節(jié)模塊可接收和輸出4～20ma標(biāo)準(zhǔn)信號(hào)。電氣元件安裝在一塊可翻轉(zhuǎn)的板上，以便對(duì)力矩控制、行程控制器、開度機(jī)構(gòu)進(jìn)行調(diào)整。按鈕盒上有三個(gè)按鈕，中間為現(xiàn)場(chǎng)/遠(yuǎn)控轉(zhuǎn)換按鈕，其左邊現(xiàn)場(chǎng)關(guān)閥按鈕，右邊為現(xiàn)場(chǎng)開閥按鈕，蓋上按鈕盒為遠(yuǎn)方控制，打開蓋子為現(xiàn)場(chǎng)操作。2. 礦用電動(dòng)閘閥，礦用防爆型電動(dòng)閘閥，MZ941H電動(dòng)閘閥特點(diǎn):①閥門采用壓力自緊式密封或閥體、閥蓋墊片密封結(jié)構(gòu)，值得信賴！使用安全可靠。 ②閥瓣采用雙閘板中間帶萬(wàn)向頂結(jié)構(gòu)，能自動(dòng)調(diào)整閥瓣與閥座密封面吻合度，保證閥門的密封。同時(shí)此結(jié)構(gòu)維修方便，節(jié)約費(fèi)用，閥瓣互換性較好。 ③閥瓣、閥座密封面用鈷鉻鎢硬質(zhì)合金由等離子噴焊而成，密封面硬度高，耐磨擦，抗擦傷，使用壽命長(zhǎng)。 ④閥桿用滲氮鋼制成，表面氮化處理，硬度高，抗擦傷，耐腐蝕，使用壽命長(zhǎng)。 ⑤電動(dòng)裝置配有轉(zhuǎn)矩控制機(jī)構(gòu)、現(xiàn)場(chǎng)操作機(jī)構(gòu)和手、電動(dòng)切換機(jī)構(gòu)。除就地操作外，還可以進(jìn)行遠(yuǎn)距離操作、PLC控制、4~20mA電流輸入輸出智能控制等。 ⑥手動(dòng)閥門由手動(dòng)機(jī)構(gòu)或撞擊時(shí)手輪開啟。減小閥門操作力。 ⑦閥門可安裝在管道的任何位置，同時(shí)根據(jù)介質(zhì)和介質(zhì)的溫度選擇碳鋼或合金鋼閥門。⑧初次安裝和調(diào)試時(shí)，必須手動(dòng)把閥門開到約一半的位置，以免電機(jī)相序接反導(dǎo)致閥門或電裝損壞。

 
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