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| 止回閥 （check valve） 進(jìn)口止回閥-止回閥結(jié)構(gòu)圖-止回閥標(biāo)準(zhǔn)-止回閥詳細(xì)資料-止回閥經(jīng)典安裝-止回閥應(yīng)用及作用-止回閥尺寸-止回閥價(jià)格表-止回閥工作原理-止回閥內(nèi)部結(jié)構(gòu) 仙蝶牌—止回閥 上海仙蝶閥門有限公司止回閥產(chǎn)品系列如下：H41H升降式止回閥、H44H旋啟式止回閥、H71H對(duì)夾升降式止回閥、H72H對(duì)夾升降式止回閥、H74H對(duì)夾旋啟式止回閥、H41T鑄鐵止回閥、H44T鑄鐵止回閥、H41H鑄鋼止回閥、H42H鑄鋼止回閥、H44H鑄鋼止回閥、H41W不銹鋼止回閥、H44W不銹鋼止回閥、H71W不銹鋼止回閥、H12W黃銅止回閥、H14W黃銅止回閥、H44W黃銅止回閥、H11H鍛鋼止回閥、H61H鍛鋼止回閥、H14H鍛鋼止回閥、H64H鍛鋼止回閥、H41H/Y/W鍛鋼止回閥、H44H/Y/W鍛鋼止回閥、H12W內(nèi)螺紋止回閥、H14W內(nèi)螺紋止回閥、H41H法蘭止回閥、H44H法蘭止回閥、H61Y焊接式止回閥、H64Y焊接式止回閥、HH44X微阻緩閉止回閥、HH46/8/9X微阻緩閉蝶式止回閥、HH47X微阻緩閉蝶式止回閥、HC44X橡膠瓣止回閥、H76H對(duì)夾雙瓣蝶式止回閥、H74H對(duì)夾圓片式止回閥、梭式止回閥、HC41X消聲止回閥、HC42T*止回閥、HQ41X滾球式球形止回閥、HQ44X無(wú)磨損球形止回閥、HQ45X微阻球形止回閥、H44Y高溫止回閥、H61Y高壓止回閥、DH61Y低溫止回閥、HDH47X蝶式緩沖止回閥、H41J襯膠止回閥、H41F46襯氟止回閥、BH44H保溫止回閥、H11Y自密封止回閥、H61Y自密封止回閥、H41Y自密封止回閥、H41F塑料止回閥、H42F塑料止回閥、H44F塑料止回閥、H48H截止止回多功能閥、多功能止回閥、衛(wèi)生級(jí)止回閥、H41H美標(biāo)止回閥、H44H美標(biāo)止回閥、H71H美標(biāo)止回閥、H76H美標(biāo)止回閥、H41H日標(biāo)止回閥、H44H日標(biāo)止回閥、H41H德標(biāo)止回閥、H44H德標(biāo)止回閥等等； 止回閥又稱單向閥或逆止閥，其作用是防止管路中的介質(zhì)倒流。水泵吸水關(guān)的底閥也屬于止回閥類。 啟閉件靠介質(zhì)流動(dòng)和力量自行開(kāi)啟或關(guān)閉，以防止介質(zhì)倒流的閥門叫止回閥。止回閥屬于自動(dòng)閥類，主要用于介質(zhì)單向流動(dòng)的管道上，只允許介質(zhì)向一個(gè)方向流動(dòng)，以防止發(fā)生事故。 止回閥按結(jié)構(gòu)劃分，可分為升降式止回閥、旋啟式止回閥和蝶式止回閥三種。升降式止回閥可分為立式和臥式兩種。旋啟式止回閥分為單瓣式、雙瓣式和多瓣式三種。蝶式止回閥為直通式、以上幾種止回閥在連接形式上可分為螺紋連接、法蘭連接和焊接三種。 止回閥的安裝應(yīng)注意以下事頂：1、在管線中不要使止回閥承受重量，大型的止回閥應(yīng)獨(dú)立支撐，使之不受管系產(chǎn)生的壓力的影響。2、安裝時(shí)注意介質(zhì)流動(dòng)的方向應(yīng)與閥體所票箭頭方向*。3、升降式垂直瓣止回閥應(yīng)安裝在垂直管道上。4、升降式水平瓣止回閥應(yīng)安裝在水平管道上。 |
美國(guó)約克閥門集團(tuán)簡(jiǎn)介
美國(guó)約克閥門（U.S.A YOCO York international valve）是流體控制領(lǐng)域的科技和大型工程供應(yīng)商。1928年6月在被譽(yù)為美國(guó)鋼都之城的匹茲堡市正式成立，八十多年來(lái)，約克的生產(chǎn)技術(shù)及*網(wǎng)絡(luò)不斷拓展，至今于世界各地已擁有七大銷售分公司、數(shù)以百計(jì)的維修站、生產(chǎn)廠房及附屬機(jī)構(gòu)。約克（美國(guó)）集團(tuán)公司的生產(chǎn)基地包括了中國(guó)、美國(guó)、英國(guó)、法國(guó)、墨西哥、澳洲、馬來(lái)西亞、日本、意大利、西班牙等地區(qū)。約克已成為較大、*的流體控制器和工業(yè)設(shè)備制造商之一，今天的約克已被*為世界流體控制領(lǐng)域的先導(dǎo)者。公司致力于科研開(kāi)發(fā)流體控制器，生產(chǎn)流體控制設(shè)備系統(tǒng)，在許多個(gè)國(guó)家均有生產(chǎn)基地。約克產(chǎn)品的用戶涉及石油、化工、電力、冶金、制藥、食品、水處理、市政給排水、天然氣、造紙、電子工業(yè)、樓宇、機(jī)械設(shè)備配套等領(lǐng)域。
美國(guó)約克閥門（U.S.A YOCO international valve）主要生產(chǎn)的閥門產(chǎn)品有：進(jìn)口球閥、進(jìn)口閘閥、進(jìn)口蝶閥、進(jìn)口截止閥、進(jìn)口止回閥、進(jìn)口調(diào)節(jié)閥、進(jìn)口電磁閥、進(jìn)口疏水閥、進(jìn)口安全閥、進(jìn)口減壓閥、進(jìn)口過(guò)濾器、進(jìn)口排氣閥、進(jìn)口角座閥、進(jìn)口切斷閥、進(jìn)口阻火器、進(jìn)口呼吸閥、進(jìn)口旋塞閥、進(jìn)口平衡閥、進(jìn)口針型閥、進(jìn)口隔膜閥、進(jìn)口水力控制閥、進(jìn)口液壓閥等優(yōu)秀閥門。工作壓力150Lbs-6000Lbs。工作溫度：-196℃-1800℃。材質(zhì)：銅、鑄鐵、鑄鋼、碳鋼、WCB、WC6、WC9、20#、25#、鍛鋼、A105、F11、F22、不銹鋼、CF8、CF8M、CF3、CF3M、鉻鉬鋼、低溫鋼、鈦合金鋼。
The United States of York International Group （ USA Yoco International Group ） is a global fluid control in the field of science and technology enterprises and large engineering suppliers. In 1928 June was formally established in the United States are known as the city of Pittsburgh, York, for more than eighty years, the technology of production and sales and service network continues to expand, so far around the world already has seven sales offices, hundreds of repair station, production workshop and affiliated institutions. York （ USA ） group, including the production base in China, the United States, Britain, France, Mexico, Australia, Malaysia, Japan, Italy, Spain and other regions. York has become one of the most professional fluid controller and industrial equipment manufacturers, global maximum, today's York has been recognized as the world leaders in the field of fluid control. The company is committed to research and development of fluid control fluid control equipment, production systems, in many countries have production base. York users of their products related to petroleum, chemical, electric power, metallurgy, pharmaceutical, food, water treatment, municipal water supply and drainage, gas, paper making, electronic industry, building, mechanical equipment and other fields.
The United States of York International Group （ USA Yoco International Group ） the main production of valve products: ball valve imports, import gate valve, inlet valve, inlet valve, inlet check valve, inlet valve, inlet valve, inlet valve, safety valves, pressure reducing valve, inlet filter inlet, exhaust valve, inlet angle seat valve, import cut-off valve, flame arrester imports, breathing valve, plug valve, balance valve imports, import needle valve, inlet valve, hydraulic control valve, hydraulic valve and other excellent valve imports. Working pressure 150Lbs-6000Lbs. Working temperature: -196℃ -1800 ℃. Material: copper, cast iron, cast steel, carbon steel, WCB, WC6, WC9, 20#, 25#, A105, F11, forged steel, stainless steel, F22, CF8, CF8M, CF3, CF3M, chrome molybdenum steel, low temperature steel, titanium alloy steel.
閥門，進(jìn)口閥門，進(jìn)口調(diào)節(jié)閥、電動(dòng)調(diào)節(jié)閥、氣動(dòng)調(diào)節(jié)閥、截止閥、止回閥、蝶閥、閘閥、針型閥電磁閥
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