止回阀 (check valve) 进口止回阀-止回阀结构图-止回阀标准-止回阀详细资料-止回阀经典安装-止回阀应用及作用-止回阀尺寸-止回阀价格表-止回阀工作原理-止回阀内部结构 仙蝶牌—止回阀 上海仙蝶阀门有限公司止回阀产品系列如下:H41H升降式止回阀、H44H旋启式止回阀、H71H对夹升降式止回阀、H72H对夹升降式止回阀、H74H对夹旋启式止回阀、H41T铸铁止回阀、H44T铸铁止回阀、H41H铸钢止回阀、H42H铸钢止回阀、H44H铸钢止回阀、H41W不锈钢止回阀、H44W不锈钢止回阀、H71W不锈钢止回阀、H12W黄铜止回阀、H14W黄铜止回阀、H44W黄铜止回阀、H11H锻钢止回阀、H61H锻钢止回阀、H14H锻钢止回阀、H64H锻钢止回阀、H41H/Y/W锻钢止回阀、H44H/Y/W锻钢止回阀、H12W内螺纹止回阀、H14W内螺纹止回阀、H41H法兰止回阀、H44H法兰止回阀、H61Y焊接式止回阀、H64Y焊接式止回阀、HH44X微阻缓闭止回阀、HH46/8/9X微阻缓闭蝶式止回阀、HH47X微阻缓闭蝶式止回阀、HC44X橡胶瓣止回阀、H76H对夹双瓣蝶式止回阀、H74H对夹圆片式止回阀、梭式止回阀、HC41X消声止回阀、HC42T*止回阀、HQ41X滚球式球形止回阀、HQ44X无磨损球形止回阀、HQ45X微阻球形止回阀、H44Y高温止回阀、H61Y高压止回阀、DH61Y低温止回阀、HDH47X蝶式缓冲止回阀、H41J衬胶止回阀、H41F46衬氟止回阀、BH44H保温止回阀、H11Y自密封止回阀、H61Y自密封止回阀、H41Y自密封止回阀、H41F塑料止回阀、H42F塑料止回阀、H44F塑料止回阀、H48H截止止回多功能阀、多功能止回阀、卫生级止回阀、H41H美标止回阀、H44H美标止回阀、H71H美标止回阀、H76H美标止回阀、H41H日标止回阀、H44H日标止回阀、H41H德标止回阀、H44H德标止回阀等等; 止回阀又称单向阀或逆止阀,其作用是防止管路中的介质倒流。水泵吸水关的底阀也属于止回阀类。 启闭件靠介质流动和力量自行开启或关闭,以防止介质倒流的阀门叫止回阀。止回阀属于自动阀类,主要用于介质单向流动的管道上,只允许介质向一个方向流动,以防止发生事故。 止回阀按结构划分,可分为升降式止回阀、旋启式止回阀和蝶式止回阀三种。升降式止回阀可分为立式和卧式两种。旋启式止回阀分为单瓣式、双瓣式和多瓣式三种。蝶式止回阀为直通式、以上几种止回阀在连接形式上可分为螺纹连接、法兰连接和焊接三种。 止回阀的安装应注意以下事顶:1、在管线中不要使止回阀承受重量,大型的止回阀应独立支撑,使之不受管系产生的压力的影响。2、安装时注意介质流动的方向应与阀体所票箭头方向*。3、升降式垂直瓣止回阀应安装在垂直管道上。4、升降式水平瓣止回阀应安装在水平管道上。 |
美国约克阀门集团简介
美国约克阀门(U.S.A YOCO York international valve)是流体控制领域的科技和大型工程供应商。1928年6月在被誉为美国钢都之城的匹兹堡市正式成立,八十多年来,约克的生产技术及*网络不断拓展,至今于世界各地已拥有七大销售分公司、数以百计的维修站、生产厂房及附属机构。约克(美国)集团公司的生产基地包括了中国、美国、英国、法国、墨西哥、澳洲、马来西亚、日本、意大利、西班牙等地区。约克已成为较大、*的流体控制器和工业设备制造商之一,今天的约克已被*为世界流体控制领域的先导者。公司致力于科研开发流体控制器,生产流体控制设备系统,在许多个国家均有生产基地。约克产品的用户涉及石油、化工、电力、冶金、制药、食品、水处理、市政给排水、天然气、造纸、电子工业、楼宇、机械设备配套等领域。
美国约克阀门(U.S.A YOCO international valve)主要生产的阀门产品有:进口球阀、进口闸阀、进口蝶阀、进口截止阀、进口止回阀、进口调节阀、进口电磁阀、进口疏水阀、进口安全阀、进口减压阀、进口过滤器、进口排气阀、进口角座阀、进口切断阀、进口阻火器、进口呼吸阀、进口旋塞阀、进口平衡阀、进口针型阀、进口隔膜阀、进口水力控制阀、进口液压阀等优秀阀门。工作压力150Lbs-6000Lbs。工作温度:-196℃-1800℃。材质:铜、铸铁、铸钢、碳钢、WCB、WC6、WC9、20#、25#、锻钢、A105、F11、F22、不锈钢、CF8、CF8M、CF3、CF3M、铬钼钢、低温钢、钛合金钢。
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.
阀门,进口阀门,进口调节阀、电动调节阀、气动调节阀、截止阀、止回阀、蝶阀、闸阀、针型阀电磁阀
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