keystone F990中線對夾式蝶閥 現(xiàn)貨特價(jià)供應(yīng)F990蝶閥,F990光桿蝶閥,F990調(diào)節(jié)蝶閥,F990中線蝶閥,F990 T805蝶閥,F990-T723蝶閥,F990-064蝶閥,F990-CEE2蝶閥,F990-CEE3蝶閥,F990-CEE4蝶閥,F990蝶閥,F990中線對夾式蝶閥,F990氣動(dòng)蝶閥,F990電動(dòng)蝶閥,F990氣動(dòng)開關(guān)蝶閥,F990氣動(dòng)調(diào)節(jié)蝶閥,F990 F79U氣動(dòng)蝶閥,F990 F02電動(dòng)蝶閥. 中線對夾蝶閥(對夾式中線蝶閥)??Wafer?Type?Butterfly ?Wafer?Type?Butterfly? 產(chǎn)品特點(diǎn)：? ??????對夾中線蝶閥主要由閥體、轉(zhuǎn)軸、閥板、閥座及驅(qū)動(dòng)機(jī)構(gòu)（手柄、蝸輪蝸桿、氣動(dòng)裝置或電動(dòng)裝置）等組成，靠驅(qū)動(dòng)機(jī)構(gòu)帶動(dòng)轉(zhuǎn)軸及閥板旋轉(zhuǎn)以實(shí)現(xiàn)啟閉和控制流量的目的。對夾式蝶閥特點(diǎn)如下：? ??????結(jié)構(gòu)簡單、小巧輕便，運(yùn)輸、安裝、拆卸容易;90°啟閉，開關(guān)迅速。操作扭矩小，省力輕巧;密封性能好，使用壽命長，可達(dá)到零泄漏;選擇不同的零部件材質(zhì)，可適用于多種介質(zhì);流量特性近似于直線，調(diào)節(jié)性能好。 A?butterfly?valve?consists?of?body?,stem?,disc?,?actuator?(manual?actuator,?worm-gear?actuator?,?aerodynamic?actuator?or?electric?actuator)?,?and?wafer?type?butterfly?valve?can?implement?the?process?for?turning?on?turning?off?and?regulating?the?flow?by?the?circumrotation?of?stem?and?disc??that?is?droved?by?actuators.? 1.Simple?and?compact?construction.?Small?in?size?and?light?in?weight.?Easy?transportation?,?installation?and?maintenance.? 2.?Quick?90?degrees?on-off?operation.?Minimized?operating?torque?,energy?saving.? 3.?Excellent?sealing?performance?with?no?leakage.?Long?service?life.? 4.?Wide?selection?of?materials?,applicable?for?various?media..? 5.?Flow?curve?tending?to?straight?line.?Excellent?regulation?performance.? 泰科 KEYSTONE F990 F992系列蝶閥 調(diào)節(jié)型蝶閥F990/F991/F992 *Keystone標(biāo)準(zhǔn)頂法蘭*關(guān)閉嚴(yán)密*閥桿兩級密封*壽命長*連接方式：對夾、支耳 特點(diǎn)及優(yōu)點(diǎn) *Keystone標(biāo)準(zhǔn)頂法蘭 *關(guān)閉嚴(yán)密 *閥桿兩級密封 *壽命長 *連接方式：對夾、支耳 標(biāo)準(zhǔn)規(guī)范 尺寸（mm）:25-500 適用溫度（攝氏度）：-40-150 較大壓力（MPa）:1.0 閥體材質(zhì)：鑄鐵，球墨鑄鐵 閥板材質(zhì)：不銹鋼 閥桿材質(zhì)：不銹鋼 閥座材質(zhì)：乙丙橡膠，丁晴橡膠，聚四氟包乙丙橡膠，聚四氟包丁晴橡膠, 丁納橡膠Buna N 應(yīng)　用 適用化學(xué)水處理 化工，食品，泥漿，造紙，氣力輸送，一般工業(yè) 適用介質(zhì)：油、氣、水腐蝕性介質(zhì)。