設(shè)計良好的蒸汽系統(tǒng),產(chǎn)生清潔干燥的蒸汽,并使用高壓輸送 - 的成本,的蒸汽品質(zhì)
在用汽點通常需要低壓蒸汽。因此需要能自動精確、、低成本的減低蒸汽壓力的控制閥。
英國斯派莎克spiraxsarco在全球范圍于推廣地應(yīng)用和控制蒸汽及其它多種工業(yè)流體,至今已有100多年的歷史。斯派莎克公司歷史可追溯至1888年,1937年建址于英國,1959年斯派莎克集團公司在倫敦股票市場上市,每年均有驕人的業(yè)績報告。作為蒸汽工程系統(tǒng)的者,斯派莎克一直以最專業(yè)的知識為全球蒸汽使用者提供秀的服務(wù)和產(chǎn)品,從而迅速顯著地提高設(shè)備性能和系統(tǒng)效率,節(jié)約能源。一百多年來,斯派莎克公司以的“知識、服務(wù)、產(chǎn)品”提供者的形象成為廣大蒸汽使用者的伙伴.斯派莎克spiraxsarcoFT浮球式蒸汽疏水閥是利用蒸汽和冷凝水的密度差來操作的。這種類型的疏水閥操作十分便利,能在冷凝水負(fù)荷變化時工作,同時不受操作壓力驟然變化的影響。與其尺寸相比,該型疏水閥排量很大,最大可達(dá)150,000 kg/h,且能隨冷凝水的生成立即排放。由于這種特點,該疏水閥是蒸汽控制設(shè)備的理想選擇。該疏水閥的最大工作壓力可達(dá)32bar。斯派莎克波紋管截止閥BSA1、BSA2、BSA3、BSA6T、BSA64T、A3S斯派莎克球閥M10S、M20S、M21S、M31S、M40S、M60斯派莎克浮球式蒸汽疏水閥FT14、FT43、FT44、FT46、FT47斯派莎克熱動力型蒸汽疏水閥TD42、TD52M、TD32F、TD3-3、TD45、TD62、TD120斯派莎克壓力平衡式疏水閥BPT13X、MST21、TSS21、BPC32Y、SBP30斯派莎克雙金屬式蒸汽疏水閥SMC32Y、SSM21、SM45斯派莎克倒吊桶式蒸汽疏水閥SIB30、HM00、200系列、HM34、600系列、900系列斯派莎克單窗觀視鏡、斯派莎克雙窗觀視鏡、斯派莎克觀視鏡SG253、斯派莎克觀視鏡止回閥組斯派莎克二通/三通控制閥SB、KA43、KB33、KB51、KE43、KE73、KE63QL33、CE43、CE63斯派莎克導(dǎo)閥型隔膜式減壓閥25P、DP27、DP143、DP163、斯派莎克直接作用式減壓閥DRV7、DRV4、DEP、BRV2、SRV2、BRV71、BRV73斯派莎克安全閥SV615、SV604、SV607、SV73、SV74、SVL606、SVL488●結(jié)構(gòu)簡單,維修方便!窨伤交蚧虼怪卑惭b。●的設(shè)計,不銹鋼內(nèi)部結(jié)構(gòu),疏水閥具有良好的耐腐蝕和磨損性能!駱(biāo)準(zhǔn)產(chǎn)品中帶有內(nèi)置的排氣閥或內(nèi)裝破蒸汽鎖裝置!衽潘诘陀谒,可避免主蒸汽的泄漏!裼新菁y和法蘭連接可供選擇!駜(nèi)置的排氣閥確保疏水閥在起機工作時,具有更大的冷凝水排量。斯派莎克spiraxsarcoFT系列疏水閥規(guī)格齊全,型號眾多,對于凡是為了確保的傳熱,要求隨著冷凝水的生成而迅速排放的加熱及工業(yè)設(shè)備來說,該型疏水閥是的選擇。FT46/FTS14可適用潔凈蒸汽系統(tǒng)
AXCJ-3000F防腐超聲波液位計 西安超聲波液位計
AXCJ-3000F防腐超聲波液位計內(nèi)置溫度補償,功率自適應(yīng),采用多項自研的專利技術(shù),擁有的信號處理技術(shù),極大的提高了儀表的測量精度,對干擾回波有明顯得抑制功能。 安裝、維護、標(biāo)定簡單。產(chǎn)品廣泛適用于化工、水處理、水利、食品、糧食等行業(yè)的物位測量,具有安全、清潔、精度高、壽命長、穩(wěn)定、安裝維護方便、讀數(shù)簡捷等特點。 主要技術(shù)參數(shù): 測量范圍:0~3m、0~6m、0~10m 盲 區(qū):0.25m~0.5m 測量精度:0.25~0.5% 分 辨 率:1mm 方 向 角:4°~6°(全角) 壓 力:4個大氣壓以下 顯 示:自帶LCD顯示液位高度或空間距離 數(shù)字輸出:RS485接口、ModBUS協(xié)議或定制(四線制) 模擬輸出:4~20mA 開 關(guān) 量:2~4路 AC220V / 3A(四線制) 供電電壓:四線制DC24V 70mA / AC220V 3W 二線制DC24V 環(huán)境溫度:-20℃ ~ +60℃ 防護等級:IP65 安裝方式:開孔螺母安裝(或自行加裝法蘭) 壁掛式安裝(分體機) 外 殼:ABS工程塑料 分離距離:小于50米(適用于分體機)
DBDS10G1X/25V/12
DBDS10G1X/25V/12
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DBDS15G1X/200/12R900377746 DBDS10G1X/315/12R900377967 DBDS30G1X/100/12R900379694 DBDS20G1X/50/12R900381021 DBDA20K1X/100VR900383671 DBDS6G1X/315V/12R900385305 DBDH6G1X/400/12R900387940 DBDH6G1X/315V/12R900387959 DBDS30G1X/25/12R900393177 DBDS25G1X/200/12R900393748 DBDH6G1X/25/12R900395057 DBDH10G1X/25/12R900395059 DBDH6G1X/400V/12R900395060 DBDS10G1X/400V/12R900397459 DBDS20G1X/200V/12R900403701 DBDH10G1X/100VR900406900 DBDH10K1X/25VR900420245 DBDS6K1X/25R900420276 DBDS10K1X/25R900420662 DBDA6G1X/400VR900422542 DBDS20K1X/25R900422543 DBDS30K1X/25R900422544 DBDS20G1X/25R900423711 DBDS30K1X/50VR900423712 DBDS30P1X/100R900423713 DBDS30P1X/100VR900423714 DBDS30P1X/200R900423715 DBDS30P1X/315R900423716 DBDS30P1X/50R900423717 DBDS6G1X/100R900423718 DBDS6G1X/25R900423719 DBDS6G1X/200R900423720 DBDS6G1X/315R900423721 DBDS6G1X/400R900423722 DBDS6G1X/50R900423723 DBDS6K1X/100R900423724 DBDS6K1X/200R900423725 DBDS6K1X/315R900423726 DBDS6K1X/400R900423727 DBDS6K1X/50R900423728 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DBDS6P1X/100VR900429168 DBDS30P1X/315VR900429414 DBDS6P1X/25R900429939 DBDS6K1X/50VR900430263 DBDS30P1X/200VR900430305 DBDA10K1X/25R900431964 DBDH20G1X/25R900432465 DBDA6G1X/25R900433216 DBDS6G1X/315VR900433807 DBDH10K1X/630R900433929 DBDS25G1X/25R900434128 DBDH6P1X/400R900434865 DBDA10K1X/315VR900435016 DBDS10P1X/200VR900435222 DBDH10K1X/25R900435450 DBDS6P1X/315VR900436044 DBDA20G1X/100R900436516 DBDS30G1X/315VR900437348 DBDS6G1X/200VR900437349 DBDS10G1X/400VR900437466 DBDH10K1X/200VR900437810 DBDS20P1X/315VR900438610 DBDS6P1X/50VR900438611 DBDS6P1X/25VR900438939 DBDS6K1X/400VR900439957 DBDS20P1X/50VR900441034 DBDS6K1X/100VR900441778 DBDH6G1X/200VR900445875 DBDH30K1X/25R900447684 DBDS20P1X/200VR900447890 DBDH6K1X/315VR900456003 DBDS10P1X/400V/12R900457420 DBDS10K1X/400VR900458278 DBDH6G1X/315/12R900458682 DBDS15G1X/315/12R900459771 DBDS6P1X/400VR900460667 DBDA10K1X/100VR900460668 DBDS6K1X/25VR900462393 DBDS10K1X/25VR900462948 DBDS30K1X/25VR900463844 DBDA20K1X/25R900464875 DBDS20P1X/400VR900466343 DBDS6P1X/200VR900468547 DBDH6K1X/200VR900471398 DBDH10K1X/315VR900473979 DBDH20K1X/50VR900474243 DBDS20K1X/25VR900476358 DBDH6G1X/100VR900476862 DBDH6K1X/400VR900478124 DBDS10P1X/25VR900478418 DBDH6K1X/50VR900478419 DBDH10K1X/50VR900478420 DBDH10K1X/100VR900478421 DBDH20K1X/100VR900478766 DBDS20G1X/400VR900486363 DBDS6G1X/100/12R900491662 DBDS10P1X/400VR900493801 DBDA10K1X/25VR900496034 DBDS10K1X/630VR900505707 DBDS10P1X/200/12R900516549 DBDH8G1X/400/12R900519095 DBDS8G1X/100/12R900526571 DBDH15G1X/100VR900526752 DBDS25G1X/50/12R900533774 DBDS30G1X/25V/12R900534613 DBDS15G1X/50/12R900534735 DBDS20G1X/100V/12R900537103 DBDS10P1X/50/12R900538478 DBDA6G1X/200V/12R900539104 DBDS6P1X/100/12R900539105 DBDS20P1X/200/12R900548291 DBDS25G1X/25/12R900553183 DBDS10P1X/315V/12R900562029 DBDH15G1X/50V/12R900567596 DBDH10G1X/200V/12R900581024 DBDS8G1X/25/12R900582716 DBDH8G1X/200V/12R900596810 DBDS10P1X/315/12R900704056 DBDH10P1X/400/12R900712021 DBDS6P1X/50V/12R900724824 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DBDS6P1X/400/12R900946276 DBDS6G1X/200V/12R900948362 DBDS6P1X/200/12R900951905 DBDH15G1X/50/12R900951906 DBDH15G1X/100/12R900957029 DBDS6P1X/200V/12R900965226 DBDA6G1X/315/12R900970706 DBDA15G1X/25V/12R900973016 DBDH10G1X/50/12R900975431 DBDS20P1X/400/12R901002481 DBDS30K1X/280VER901013633 DBDS30P1X/200ER901018399 DBDH6K1X/25SO127R901073006 DBDA8G1X/50VR901082131 DBDS20G1X/315SO157R901094676 DBDS30K1X/205VER901124724 DBDS10G1X/315V/12ER901161710 DBDA20G1X/50/12R901196638 DBDH6G1X/130ER978018463 DBDA10G1X/50/12R978021672 DBDH10G1X/25V/12R978841293 DBDH10P1X/50/12R978850999 DBDH10G1X/200/12R978851085 DBDH6G1X/100V/12R978851250 DBDS20G1X/315V/12R978851355 DBDH20G1X/400V/12R978851993 DBDS10P1X/100/12R978852760 DBDH20G1X/25V/12R978853413 DBDS20G1X/25V/12R978853736 DBDH6G1X/50V/12R978853904 DBDA6G1X/200/12R978854396 DBDS10P1X/100V/12R978854507 DBDA6G1X/50/12R978854950 DBDS10P1X/400/12R978855046 DBDS30G1X/50V/12R978855256 DBDA10G1X/25V/12R978855408 DBDS15G1X/25V/12R978855703 DBDH20G1X/100/12R978855704 DBDH20G1X/200/12R978855865 DBDH20G1X/315V/12R978856028 DBDS15G1X/100V/12R978856141 DBDH10G1X/400V/12R978856475 DBDH10G1X/50V/12R978856863 DBDH10P1X/315/12R978856971 DBDA6G1X/315V/12R978857020 DBDH20G1X/315/12R978857484 DBDA6G1X/25/12R978857728 DBDS10P1X/200V/12R978858535 DBDA6G1X/100V/12R978858863 DBDS30G1X/200V/12R978859724 DBDH15G1X/25V/12R978860088 DBDS15G1X/200V/12R978863998 DBDH10G1X/100V/12R978864558 DBDH20G1X/400/12R978870646 DBDH10P1X/100/12R978872129 DBDS15G1X/50V/12R978872400 DBDA10G1X/25/12R978875589 DBDA10P1X/50/12R978875636 DBDA10G1X/315/12R978878318 DBDA10P1X/25/12R978878334 DBDH20G1X/200V/12R978893070 DBDA10P1X/315/12R978893940 DBDA10P1X/400/12R978899654 DBDA15G1X/50V/12R978903207 DBDH10P1X/400V/12R978908560 DBDH30P1X/200/12R978908935 DBDH15G1X/200V/12R978910043 DBDH30G1X/25/12R978912229 DBDA10G1X/400V/12R978912709 DBDH25G1X/100/12R978914734 DBDS15G1X/400V/12R978916972 DBDH15G1X/25/12
濰坊銳豹防爆吸塵器,濰坊VA3/159ATEX2防爆吸塵器價格,意大利原裝進口防爆吸塵器,粉塵防爆吸塵器三相電動防爆工業(yè)吸塵器VS3/159/ATEX2ATEX 2適用于Z 2-22防爆區(qū)
II3G/D Eexna IP55 II T3控制開關(guān)復(fù)合保護開關(guān)(缺相保護和過熱保護)吸塵機頭吸塵裝置全部由RIBO公司制造,采用鋁合金壓鑄,風(fēng)扇葉片經(jīng)過電子平衡測試,內(nèi)置消音器IP65,可24小時連續(xù)工作塔式結(jié)構(gòu)占地面積小,移動方便機頭直接連接過濾倉,降低吸力損耗吸塵口吸塵口采用螺旋卡簧式設(shè)計,完美密封過濾器BIA M級認(rèn)證抗靜電、聚酯纖維、星形過濾器過濾級別1微米玻璃纖維預(yù)過濾器,延長主過濾器使用壽命
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OLYMPUS BX41 產(chǎn)品特性 |
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OLYMPUS金相顯微鏡BX41的UIS無限遠(yuǎn)光學(xué)系統(tǒng),緊湊的Y型鏡體設(shè)計。新的光路設(shè)計,光效率更高,采用長壽命鹵素光源。明場,偏光,微分干涉相襯功能,方便連接數(shù)碼照相適。 |
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| ·BX41費用經(jīng)濟,操作簡便,性超群 ·BX41具有超高的系統(tǒng)多用性和積木性 ·BX41UIS無限遠(yuǎn)校正光學(xué)系統(tǒng) ·BX41實現(xiàn)嶄新的人機工程學(xué)設(shè)計 | ·BX41放大倍率 50x~1000x ·BX41絕對剛性的 Y形鏡體結(jié)構(gòu)提供更寬 的工作空間和結(jié)構(gòu)穩(wěn)定性 ·BX41易于連接數(shù)碼照相及視頻成像設(shè)備 | ||
OLYMPUS BX41 技術(shù)規(guī)格 |
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BX41 光學(xué)系統(tǒng)目鏡/物鏡: UIS 無限遠(yuǎn),明場,偏光,微分干涉 UIS 目鏡 10x(視野數(shù) 20 ) UIS 物鏡 5x,10x,20x,50x,100x(干) |
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BX41 調(diào)焦機構(gòu): 載物臺上下行程為25mm 微調(diào)范圍為 100μm ,最小刻度單位1μm 粗調(diào)旋鈕張力可調(diào),帶上限停止 |
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BX41 物鏡轉(zhuǎn)盤: 6孔轉(zhuǎn)盤 BX41 最大標(biāo)本高度: 65mm(臂高延伸器) BX41 反射光照明: 6V30電源,備有光亮預(yù)調(diào)開關(guān) BX41 鏡筒:U-CTR30-2三目鏡筒,鏡筒傾斜角30°,眼幅調(diào)整范圍48~75mm BX41 照相裝置:0.5x數(shù)碼照相適配器 BX41 載物臺:低位置同軸驅(qū)動旋鈕,移動范圍(X=100mm,Y=52mm) BX41 外型尺寸:283(W)×464(D)×465(H)mm BX41 重量:約10Kg |
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整機8-9成新,我司所售顯微鏡都經(jīng)專業(yè)光路調(diào)校和清潔以使其達(dá)到的觀察效果,如需特殊配套請電話咨詢。
OLYMPUS BX41 產(chǎn)品特性 |
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OLYMPUS金相顯微鏡BX41的UIS無限遠(yuǎn)光學(xué)系統(tǒng),緊湊的Y型鏡體設(shè)計。新的光路設(shè)計,光效率更高,采用長壽命鹵素光源。明場,偏光,微分干涉相襯功能,方便連接數(shù)碼照相適。 |
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| ·BX41費用經(jīng)濟,操作簡便,性超群 ·BX41具有超高的系統(tǒng)多用性和積木性 ·BX41UIS無限遠(yuǎn)校正光學(xué)系統(tǒng) ·BX41實現(xiàn)嶄新的人機工程學(xué)設(shè)計 | ·BX41放大倍率 50x~1000x ·BX41絕對剛性的 Y形鏡體結(jié)構(gòu)提供更寬 的工作空間和結(jié)構(gòu)穩(wěn)定性 ·BX41易于連接數(shù)碼照相及視頻成像設(shè)備 | ||
OLYMPUS BX41 技術(shù)規(guī)格 |
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BX41 光學(xué)系統(tǒng)目鏡/物鏡: UIS 無限遠(yuǎn),明場,偏光,微分干涉 UIS 目鏡 10x(視野數(shù) 20 ) UIS 物鏡 5x,10x,20x,50x,100x(干) |
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BX41 調(diào)焦機構(gòu): 載物臺上下行程為25mm 微調(diào)范圍為 100μm ,最小刻度單位1μm 粗調(diào)旋鈕張力可調(diào),帶上限停止 |
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BX41 物鏡轉(zhuǎn)盤: 6孔轉(zhuǎn)盤 BX41 最大標(biāo)本高度: 65mm(臂高延伸器) BX41 反射光照明: 6V30電源,備有光亮預(yù)調(diào)開關(guān) BX41 鏡筒:U-CTR30-2三目鏡筒,鏡筒傾斜角30°,眼幅調(diào)整范圍48~75mm BX41 照相裝置:0.5x數(shù)碼照相適配器 BX41 載物臺:低位置同軸驅(qū)動旋鈕,移動范圍(X=100mm,Y=52mm) BX41 外型尺寸:283(W)×464(D)×465(H)mm BX41 重量:約10Kg |
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整機8-9成新,我司所售顯微鏡都經(jīng)專業(yè)光路調(diào)校和清潔以使其達(dá)到的觀察效果,如需特殊配套請電話咨詢。
一、產(chǎn)品介紹和用途
液力自動閥BFDZ701、BFDZ702、BFDZ703、BFDZ704是我公司技術(shù)人員吸納微阻緩閉止回閥、液控蝶閥、多功能水力控制閥的基礎(chǔ)上研制而成的最新產(chǎn)品。液力自動閥是水泵控制閥的第四代新產(chǎn)品。它兼具電動閘閥、電動蝶閥以及止回閥的功能,并通過快關(guān)和緩閉的動件來消除水錘危害,保護水泵及管網(wǎng)系統(tǒng)安全。該閥是當(dāng)前國內(nèi)外結(jié)構(gòu)最新穎、性能最先進、運行最可靠的泵站新型控制設(shè)備,主要用于自動化給排水泵站的離心泵、混流泵出水管上。由于體積小、重量輕、特別適用于大口徑管路系統(tǒng)?蓮V泛用于電力、冶金、石化、水司、市政、環(huán)保等行業(yè)供水系統(tǒng)。
二、型號編制方法說明
表1產(chǎn)品結(jié)構(gòu)型號表
代號 | BFDZ701 | BFDZ702 | BFDZ703 | BFDZ704 |
產(chǎn)品 | 普通型 | 調(diào)節(jié)型 | 污水型 | 低壓型 |
表2公稱壓力代號表
壓力(Mpa) | 0.6 | 1.0 | 1.6 | 2.5 |
代號 | A | B | C | D |
表3密封型式材料代號表
序號 | 密封型式代號 | 閥座密封面 | 閥板密封面 | |
1 | 軟硬復(fù)合密封 | YX | 硬質(zhì)合金 | 硬質(zhì)合金+橡膠 |
2 |
| HX | 不銹鋼 | 不銹鋼+橡膠 |
3 | 硬密封 | Y | 硬質(zhì)合金 | 硬質(zhì)合金 |
4 |
| H | 不銹鋼 | 不銹鋼 |
三、主要技術(shù)性能
項目 |
|
公稱通徑(mm) | 150-1200 |
公稱壓力(Mpa) | 0.6-2.5 |
泄漏量 | 零泄漏 |
適用溫度(℃) | 0-120 |
適用介質(zhì) | 清水、污水、原水、海水、油品等 |
四、主要技術(shù)特點
1. 具有截止、止回、消除水錘等功能。一閥頂多閥,節(jié)省設(shè)備總投資;
2. 閥門的啟閉由輸送的介質(zhì)驅(qū)動,與水泵自動聯(lián)鎖,無需人員與外力去操作,十分方便。
3. 緩開啟泵;啟泵后該閥進口壓力要達(dá)到預(yù)定值后,閥門才開啟,可減小啟泵電流,確保電機和電控系統(tǒng)安全;
4. 停泵時先快關(guān)后緩閉,有郊消除水錘保證系統(tǒng)安全;
5. 節(jié)能效果顯著;啟閉件為斜置蝶板式,水流平順,沿程損失與局部損失很小;
6. 密封可靠、零泄漏;采用國內(nèi)外首創(chuàng)的軟硬雙重密封結(jié)構(gòu)或金屬硬密封結(jié)構(gòu),密封副摩擦力矩極小斜置偏心結(jié)構(gòu)密封副,縮短了關(guān)閥行程,減少了密封圈滑移距離,降低摩擦力矩,達(dá)到瞬間離合的效果,并且有防泥沙和壓力自動補償?shù)墓δ?
7. 維護簡單;
無外接動力和元器件,故障點少;
液壓缸內(nèi)的零部件檢修可在機組正常工作的同時進行;
關(guān)鍵零件均選用優(yōu)質(zhì)材料,基本無需維護;
外控通道中過濾器具有自沖洗功能;
8. 采用蝶閥結(jié)構(gòu),體積小、重量輕的特點,占地空間小,降低土建成本;降低成本而又增加了可靠性和穩(wěn)定性,減小電耗達(dá)到節(jié)能的目的;
9. 有反映蝶板開關(guān)角度的刻度指示盤,同時可選配閥位信號顯示儀,可遠(yuǎn)程監(jiān)控閥門的工作狀態(tài);
10. 調(diào)節(jié)型產(chǎn)品可按照閥位信號控制閥板位置,進行流量的調(diào)整和控制;
五、工作原理
1. 開閥:啟泵后閥內(nèi)進口壓力達(dá)到預(yù)定值后,再緩緩打開閥板到全開位置
2. 關(guān)閥:停泵時,閥門進口處介質(zhì)失壓,閥板在零流量瞬間依靠重力作用迅速快關(guān),截斷大部份流體,隨后緩閉泄流消除水錘直至截斷全部介質(zhì)。通過調(diào)節(jié)閥可控制閥門的緩閉時間
六、本系列產(chǎn)品有:
1. BFDZ701普通型液力自動閥:
適用于管網(wǎng)系統(tǒng)回水壓力大于0.1MPA的工況系統(tǒng)
2. BFDZ702調(diào)節(jié)型液力自動閥:
在普通型的基礎(chǔ)上增加了由電磁換向閥和閥位信號顯示儀組成的調(diào)節(jié)裝置。根據(jù)數(shù)字顯示儀顯示的閥門啟閉狀態(tài),通過手動控制電磁換向閥的通斷,進而控制活塞的運動方向和行程,從而實現(xiàn)對管網(wǎng)內(nèi)介質(zhì)流量的調(diào)節(jié)控制。
3. BFDZ703污水型液力自動閥:
適用于輸送不含纖維成份的污水系統(tǒng)。外控組件中的過小濾器能有郊過濾污水中的雜質(zhì)顆粒,保證進入活塞缸內(nèi)介質(zhì)為清潔液體,該過濾裝置具有自沖洗功能,其下部有排渣裝置,可手動定期排渣,系統(tǒng)還沒有清洗裝置
4. BFDZ704回水低壓液力自動閥
當(dāng)管網(wǎng)系統(tǒng)回水壓力低于0.1MPA時,推薦采用本產(chǎn)品。
配有平衡錘做為輔助關(guān)閥楓樹。
HHXG系列環(huán)鏈電動葫蘆
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注:除表列外,非標(biāo)準(zhǔn)起重高度均可訂貨。 |