- 上海喬邑閥門制造有限公司
產品名稱：氣動開關切斷蝶閥D671X
更新日期：2024-04-30
訪問次數：1687
產品報價：
產品特點：D671X氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)開(kai)關切斷蝶(die)(die)(die)閥(fa)(fa)D671F氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)對夾蝶(die)(die)(die)閥(fa)(fa)D671X氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)閥(fa)(fa)D671F氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)閥(fa)(fa)/氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)不銹(xiu)鋼(gang)(gang)蝶(die)(die)(die)閥(fa)(fa)D671F氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)開(kai)關蝶(die)(die)(die)閥(fa)(fa)D671X氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)切斷蝶(die)(die)(die)閥(fa)(fa)D671XP氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)不銹(xiu)鋼(gang)(gang)板蝶(die)(die)(die)閥(fa)(fa)D671FP氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)不銹(xiu)鋼(gang)(gang)板對夾蝶(die)(die)(die)閥(fa)(fa)/防爆氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)閥(fa)(fa)/防爆氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)不銹(xiu)鋼(gang)(gang)蝶(die)(die)(die)閥(fa)(fa)/隔爆型氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)閥(fa)(fa)/氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)帶手(shou)輪帶手(shou)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)閥(fa)(fa)/單作用氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)閥(fa)(fa)/斷電停氣(qi)(qi)(qi)(qi)(qi)故(gu)障(zhang)彈簧自動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)復位氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)閥(fa)(fa)/防爆氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)調節型蝶(die)(die)(die)閥(fa)(fa)/雙作用氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)蝶(die)(die)(die)閥(fa)(fa)由對夾蝶(die)(die)(die)閥(fa)(fa)與氣(qi)(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)執行器及其(qi)它附件組成。
D671X氣動對夾式蝶閥D671F
產品簡介：
D671X氣動開關切斷蝶閥D671F氣動對夾蝶閥D671X氣動蝶閥D671F氣動蝶閥/氣動不銹鋼蝶閥D671F氣動開關蝶閥D671X氣動切斷蝶閥D671XP氣動不銹鋼板蝶閥D671FP氣動不銹鋼板蝶閥/防爆氣動蝶閥/防爆氣動不銹鋼蝶閥/隔爆型氣動蝶閥/氣動帶手輪帶手動蝶閥/單作用氣動蝶閥/斷電停氣故障彈簧自動復位氣動蝶閥/防爆氣動調節型蝶閥/氣動橡膠軟密封蝶閥/氣動四氟軟密封蝶閥/雙作用氣動蝶閥主要由對夾蝶(die)閥(fa)與氣(qi)動執行器及其它附件配套組合而成(cheng)。氣(qi)動蝶(die)閥(fa)可根據工(gong)況需(xu)要選(xuan)用(yong)不同密(mi)封(feng)件(軟(ruan)密(mi)封(feng)和硬(ying)密(mi)封(feng))，以(yi)滿(man)足于不同的使用(yong)要求(qiu)，廣(guang)泛(fan)應用(yong)于化工(gong)、環(huan)保(bao)、空氣(qi)、水、燃氣(qi)、蒸汽及含有腐(fu)蝕性(xing)介(jie)質的管道上(shang)。
原理：
氣(qi)動(dong)蝶閥執行機(ji)構分為(wei)單(dan)作(zuo)(zuo)用(yong)(yong)和(he)雙(shuang)作(zuo)(zuo)用(yong)(yong)原理，也就是常(chang)見的氣(qi)動(dong)開關蝶閥和(he)氣(qi)動(dong)調節(jie)蝶閥。單(dan)作(zuo)(zuo)用(yong)(yong)為(wei)氣(qi)關彈簧(huang)(huang)復位式(shi)(shi)和(he)氣(qi)開彈簧(huang)(huang)自(zi)動(dong)歸位，單(dan)作(zuo)(zuo)用(yong)(yong)適用(yong)(yong)于要求(qiu)常(chang)開或常(chang)閉的場所。雙(shuang)作(zuo)(zuo)用(yong)(yong)為(wei)氣(qi)開氣(qi)關式(shi)(shi)，開啟(qi)和(he)關閉都需要氣(qi)源壓力，而(er)調節(jie)型氣(qi)動(dong)蝶閥應(ying)當選用(yong)(yong)雙(shuang)作(zuo)(zuo)用(yong)(yong)方式(shi)(shi)。
主要特點：
1、設計新穎、合理、結構簡單，重量輕，啟閉迅速。
2、操力矩小，操作方便，省力靈巧。
3、可以任何位置安裝，維修方便。
4、密封件可以更換，密封性能可靠達到雙向密封零泄漏。
5、密封材料耐老化、耐腐蝕，使用壽命長等特點。
設計標準：
設計標準 | GB/T12238-1989 |
法蘭連接尺寸 | GB/T9113.1-2000；GB/T9115.1-2000；JB78 |
結構長度 | GB/T12221-1989 |
壓力試驗 | GB/T13927-2000；JB/T9092-1999 |
技術參數：
公稱通徑DN(mm) | DN50～1000mm |
公稱壓力(MPa) | PN1.0、1.6、2.5MPa |
閥體形式 | 直通鑄造閥體 |
連接形式 | 法蘭式、對夾式 |
閥芯形式 | 蝶板式 |
密封填料 | 柔性石墨、聚四氟乙烯 |
基本誤差 | 帶定位器：小于全行程的±2% |
回差 | 帶定位器：小于全行程的±2% |
控制方式 | 開關型(開關(guan)兩位控(kong)制(zhi))、調節(jie)型(4～20mA控(kong)制(zhi)) |
氣動執行器參數：
執行器型號 | GT、AT、AR、AW系列(lie)單(dan)雙作(zuo)用氣(qi)動執行器(qi) |
供氣壓力 | 0.4～0.7MPa |
氣源接口 | G1/4"、G1/8"、G3/8"、G1/2" |
環境溫度 | -30～+70℃ |
作用形式 | 單作用執行機構：氣關式(B)--失氣時閥位開(FO)；氣開式(K)--失氣時閥位關(FC) 雙作用執行機構：氣關式(B)--失氣時閥位保持(FL)；氣開式(K)-- 失氣時閥位保持(FL) |
可配附件 | 定位器、電磁閥、空氣過濾減壓器、保位閥、行程開關、閥位傳送器、手輪機構等 |
采用新型AT/GT系列氣動執行器，有雙作用式和單作用式（彈簧復位），齒輪齒條傳動，安全可靠；大口徑閥門采用系列AW型氣動執行器拔叉(cha)式傳動，結構合(he)理，輸(shu)出(chu)扭(niu)矩大，有雙作(zuo)用(yong)式和單作(zuo)用(yong)式。
1、齒輪式雙活塞，輸出力矩大，體積小。
2、氣缸選用鋁合金材料，重量輕、外形美觀。
3、可在頂部、底部安裝手動操作機構。
4、齒條式連接可調節開啟角度、額定流量。
5、執行器可選帶電訊號反饋指示及各類附件以實現自動化操作。
6、IS05211標準連接為產品的安裝更換提供了方便。
7、兩端調的(de)節螺釘(ding)可使(shi)標準產品在0°和(he)90°有±4°的(de)可調范圍。確保(bao)與閥門的(de)同(tong)步精(jing)度。
單作用氣動執行器和雙作用氣動執行器的區別：
氣動蝶閥中單作用和雙作用指的是氣動蝶閥所配氣動執行器可分為單作用和雙作用。其區別在于：單作用的氣缸內有彈簧，而雙作用內沒有。因此單作用氣動執行器的價格比雙作用氣動執行器的價格要高。
單作用氣動執行器一般分為常開型和常閉型（常開型：通氣關，斷氣開；常閉型：通氣開，斷氣關），也就是說，在安裝之前有一個設定，設定其為開或者關，如果是常開的，那就是在通氣的情況下氣動執行器關閉閥門，如果氣源出現故障或者突然停電，單作用氣動執行器靠彈簧自動復位為開的狀態，也就是說會回到它的設定狀態，設定為關，則會回到關的狀態，一般在危險的工況中使用較多，比如輸送可燃氣體或可燃液體，在失去氣源又出現緊急情況的時候，單作用氣動執行機構能自動復位把危險降低，而雙作用就不能復位。
雙(shuang)作用(yong)氣(qi)(qi)(qi)動(dong)執行器在(zai)通(tong)氣(qi)(qi)(qi)的情況下(xia)氣(qi)(qi)(qi)動(dong)執行器打開閥(fa)門，當要(yao)關(guan)閉(bi)閥(fa)門的時候另(ling)外(wai)一(yi)邊通(tong)氣(qi)(qi)(qi)才能關(guan)閉(bi)，雙(shuang)作用(yong)氣(qi)(qi)(qi)動(dong)執行器是(shi)靠氣(qi)(qi)(qi)缸工作復位(wei)的，在(zai)失去氣(qi)(qi)(qi)源的時候只能保持原(yuan)位(wei)。
附件的選項：
根據不同控制和要求可選擇下列附件：
切斷型附件：單電控電磁閥、雙電控電磁閥、限位開關回訊器。
調節型附件：電氣定位器、氣動定位器、電氣轉換器。
氣源處理附件：空氣過濾減壓閥、氣源處理三聯件。
手動機構：HVSD手操機構
防爆：氣動附件可做防爆
防爆等級：EX dⅡBT4 EX dⅡCT6
電壓：AC220V、AC380V、DC24V
配套氣動執行器及氣動附件功能和用途（可選）：
1、雙作用執行器：控制閥門的開啟和關閉。
2、單作用執行器（彈簧復位）：在電路氣路切斷或者有故障時自動關閉閥門。
3、單控電磁閥：供電時閥門打開或者關閉，斷電時閥門關閉或者打開（可提供防爆型）。
4、雙控電磁閥：一個線圈通電時閥門打開，另一個線圈通電時閥門關閉，有記憶功能（可提供防爆型）。
5、限位開關回信器：遠距離傳送閥門開和關位置信號（可提供防爆型）。
6、電氣定位器：根據電流信號（4-20mA)的大小對閥門的介質流量調節控制（可提供防爆型）。
7、氣動定位器：根據氣壓信號（標準0.02-0.1MPa)的大小對閥門的介質流量調節控制。
8、電氣轉換器：將電流信號轉換成氣壓信號，與氣動定位器配套使用（可提供防爆型）。
9、氣源處理三聯件：包括空氣減壓閥、過濾器、油霧器、對氣源穩定、清潔、運動部件起潤滑作用。
10、手動(dong)操(cao)作：自動(dong)控制在不正常(chang)情況下可以手動(dong)操(cao)作閥門的(de)啟閉(bi)。
單電控電磁閥和雙電控電磁閥的區別：
單電控：即只(zhi)有一個電(dian)磁線(xian)(xian)(xian)(xian)(xian)圈，一般用在2位3通(tong)(tong)電(dian)磁閥，線(xian)(xian)(xian)(xian)(xian)圈電(dian)壓等級一般采用DC24V、AC220V等。 兩(liang)(liang)位三通(tong)(tong)電(dian)磁閥分為常閉型和常開型兩(liang)(liang)種，常閉型指線(xian)(xian)(xian)(xian)(xian)圈沒(mei)通(tong)(tong)電(dian)時氣路(lu)(lu)是斷的，常開型指線(xian)(xian)(xian)(xian)(xian)圈沒(mei)通(tong)(tong)電(dian)時氣路(lu)(lu)是通(tong)(tong)的。 常閉型兩(liang)(liang)位三通(tong)(tong)電(dian)磁閥動(dong)作原理：給線(xian)(xian)(xian)(xian)(xian)圈通(tong)(tong)電(dian)，氣路(lu)(lu)接通(tong)(tong)，線(xian)(xian)(xian)(xian)(xian)圈一旦斷電(dian)，氣路(lu)(lu)就會斷開，這(zhe)相當(dang)于“點動(dong)"。 常開型兩(liang)(liang)位三通(tong)(tong)單電(dian)控電(dian)磁閥動(dong)作原理：給線(xian)(xian)(xian)(xian)(xian)圈通(tong)(tong)電(dian)，氣路(lu)(lu)斷開，線(xian)(xian)(xian)(xian)(xian)圈一旦斷電(dian)，氣路(lu)(lu)就會接通(tong)(tong)，這(zhe)也(ye)是“點動(dong)"。
雙電控：即(ji)有兩(liang)個電(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)線(xian)圈(quan)，一(yi)般用在(zai)兩(liang)位(wei)五通(tong)(tong)(tong)電(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)閥，兩(liang)位(wei)五通(tong)(tong)(tong)雙電(dian)(dian)(dian)控(kong)(kong)電(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)閥動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)原理(li)：給(gei)正(zheng)(zheng)(zheng)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)線(xian)圈(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)，則正(zheng)(zheng)(zheng)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)氣(qi)(qi)(qi)路(lu)接(jie)通(tong)(tong)(tong)(正(zheng)(zheng)(zheng)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)出氣(qi)(qi)(qi)孔有氣(qi)(qi)(qi))，即(ji)使給(gei)正(zheng)(zheng)(zheng)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)線(xian)圈(quan)斷(duan)(duan)電(dian)(dian)(dian)后正(zheng)(zheng)(zheng)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)氣(qi)(qi)(qi)路(lu)仍(reng)然是接(jie)通(tong)(tong)(tong)的(de)，將會(hui)一(yi)直維(wei)持到給(gei)反(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)線(xian)圈(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)為止。 給(gei)反(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)線(xian)圈(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)，則反(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)氣(qi)(qi)(qi)路(lu)接(jie)通(tong)(tong)(tong)(反(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)出氣(qi)(qi)(qi)孔有氣(qi)(qi)(qi))，即(ji)使給(gei)反(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)線(xian)圈(quan)斷(duan)(duan)電(dian)(dian)(dian)后反(fan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)氣(qi)(qi)(qi)路(lu)仍(reng)然是接(jie)通(tong)(tong)(tong)的(de)，將會(hui)一(yi)直維(wei)持到給(gei)正(zheng)(zheng)(zheng)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)線(xian)圈(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)為止。這(zhe)相當于(yu)“自鎖"。 基(ji)于(yu)兩(liang)位(wei)五通(tong)(tong)(tong)雙電(dian)(dian)(dian)控(kong)(kong)電(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)閥的(de)這(zhe)種特性(xing)，在(zai)設(she)計機(ji)電(dian)(dian)(dian)控(kong)(kong)制回路(lu)或編制PLC程序的(de)時候，可(ke)以讓電(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)閥線(xian)圈(quan)動(dong)(dong)作(zuo)(zuo)(zuo)(zuo)1~2秒就(jiu)可(ke)以了，這(zhe)樣(yang)可(ke)以保護電(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)閥線(xian)圈(quan)不(bu)容易損壞(huai)。
零件材料：
零件名稱 | 主要材料 |
閥體 | 灰鑄鐵、球墨鑄鐵、鑄鋼、合金鋼、不銹鋼 |
蝶板 | 灰鑄鐵、球墨鑄鋼、鑄鋼、不銹鋼及特殊材料 |
密封圈 | 各種橡膠、聚四氟 |
閥桿 | 2Cr13、不銹鋼 |
填料 | O型圈、柔性石墨O |
性能規范：
公稱通徑 | DN（mm） | 50～1000 | ||
公稱壓力 | PN（MPa） | 0.6 | 1.0 | 1.6 |
試驗壓力 | 強度試驗 | 0.9 | 1.5 | 2.4 |
密封試驗 | 0.66 | 1.1 | 1.76 | |
氣密封試驗 | 0.6 | 0.6 | 0.6 | |
適用介質 | 空氣、水、污水、蒸氣、煤氣、油品等。 | |||
驅動形式 | 氣動傳動 | |||
密封材料和適用溫度：
材料品種 | 氯丁橡膠 | 丁晴橡膠 | 乙丙橡膠 | 聚四氟乙烯 | 硅橡膠 | 氟橡膠 | 天然橡膠 | 尼龍 |
英語簡稱 | CR | NBR | EPDM | PTFE | SI | VITON | NR | PA |
型號代號 | X或J | XA或JA | XB或JB | F或XC、JC | XD或JD | XE或JE | X1 | N |
耐Z高溫度 | 82℃ | 93℃ | 150℃ | 232℃ | 250℃ | 204℃ | 85℃ | 93℃ |
耐Z低溫度 | -40℃ | -40℃ | -40℃ | -268℃ | -70℃ | -23℃ | -20℃ | -73℃ |
適用工作溫度 | 0~+80℃ | -20~+82℃ | -40~+125℃ | -30~+150℃ | -70~+150℃ | -23~+150℃ | -20~+85℃ | -30~+93℃ |
外形結構圖：
主要外形連接尺寸：
公稱通徑 | 長度 | 外形尺寸(參考值) | 連接尺寸(標(biao)準值(zhi)) | |||||||||||
0.6MPa | 1.0MPa | 1.6MPa | ||||||||||||
毫米 | 英寸 | L | H1 | H2 | A | D | D1 | n-d | D | D1 | n-d | D | D1 | n-d |
50 | 2 | 43 | 63 | 315 | 180 | 140 | 110 | 4-14 | 165 | 125 | 4-18 | 165 | 125 | 4-18 |
65 | 21/2 | 46 | 70 | 330 | 180 | 160 | 130 | 4-14 | 185 | 145 | 4-18 | 185 | 145 | 4-18 |
80 | 3 | 46 | 83 | 390 | 245 | 190 | 150 | 4-18 | 200 | 160 | 8-18 | 200 | 160 | 8-18 |
100 | 4 | 52 | 105 | 431 | 240 | 210 | 170 | 4-18 | 220 | 180 | 8-18 | 220 | 180 | 8-18 |
125 | 5 | 56 | 115 | 455 | 240 | 240 | 200 | 8-18 | 250 | 210 | 8-18 | 250 | 210 | 8-18 |
150 | 6 | 56 | 137 | 626 | 350 | 265 | 225 | 8-18 | 285 | 240 | 8-22 | 285 | 240 | 8-22 |
200 | 8 | 60 | 164 | 720 | 350 | 320 | 280 | 8-18 | 340 | 295 | 8-22 | 340 | 295 | 12-22 |
250 | 10 | 68 | 206 | 800 | 550 | 375 | 335 | 12-18 | 395 | 350 | 12-22 | 405 | 355 | 12-26 |
300 | 12 | 78 | 230 | 860 | 600 | 440 | 395 | 12-22 | 445 | 400 | 12-22 | 460 | 410 | 12-26 |
350 | 14 | 78 | 248 | 883 | 600 | 490 | 445 | 12-22 | 505 | 460 | 16-22 | 520 | 470 | 16-26 |
400 | 16 | 102 | 289 | 972 | 600 | 540 | 495 | 16-22 | 565 | 515 | 16-26 | 580 | 525 | 16-30 |
450 | 18 | 114 | 320 | 1043 | 750 | 595 | 550 | 16-22 | 615 | 565 | 20-26 | 640 | 585 | 20-30 |
500 | 20 | 127 | 343 | 1098 | 750 | 645 | 600 | 20-22 | 670 | 620 | 20-26 | 715 | 650 | 20-33 |
600 | 24 | 154 | 413 | 1236 | 750 | 755 | 705 | 20-26 | 780 | 725 | 20-30 | 840 | 770 | 20-36 |
700 | 28 | 165 | 478 | 1431 | 750 | 860 | 810 | 24-26 | 895 | 840 | 24-30 | 910 | 840 | 24-36 |
800 | 32 | 190 | 525 | 1488 | 750 | 975 | 920 | 24-30 | 1015 | 950 | 24-33 | 1025 | 950 | 24-39 |
900 | 36 | 203 | 620 | 1615 | 1250 | 1075 | 1020 | 24-30 | 1115 | 1050 | 28-33 | 1125 | 1050 | 28-39 |
1000 | 40 | 216 | 725 | 1765 | 1500 | 1175 | 1120 | 28-30 | 1230 | 1160 | 28-36 | 1255 | 1170 | 28-42 |
1200 | 48 | 254 | 780 | 1976 | 1500 | 1405 | 1340 | 32-33 | 1455 | 1380 | 32-39 | 1485 | 1390 | 32-48 |
上海喬邑閥門主要生產銷售【D671X氣動開關切斷蝶閥D671F氣動對夾蝶閥D671X氣動蝶閥D671F氣動蝶閥/氣動不銹鋼蝶閥D671F氣動開關蝶閥D671X氣動切斷蝶閥D671XP氣動不銹鋼板蝶閥D671FP氣動不銹鋼板蝶閥/防爆氣動蝶閥/防爆氣動不銹鋼蝶閥/隔爆型氣動蝶閥/氣動帶手輪帶手動蝶閥/單作用氣動蝶閥/斷電停氣故障彈簧自動復位氣動蝶閥/防爆氣動調節型蝶閥/氣動橡膠軟密封蝶閥/氣動四氟軟密封蝶閥/雙作用氣動蝶閥】，備有(you)大量庫存現貨(huo)直銷！我(wo)們一直秉持“合理價格、貼心服務(wu)"的(de)理念(nian)，努力為用戶提供可靠的(de)產品和(he)完善的(de)售后服務(wu)。本文(wen)中(zhong)所有(you)文(wen)字(zi)、數據、圖片僅供參(can)考。
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