止回阀作为管道系统顺流时开启,逆流时关闭的阀门,主要用于防止介质倒流,防止泵及驱动电机反转以及容器内介质泄放;目前使用最普遍的是阀瓣围绕阀体销轴旋转的旋启式止回阀和阀瓣沿着阀体垂直中心线移动的升降式止回阀,但以上2种结构的阀门均存在关闭时介质倒流速度从最大迅速降为零,致使管道进水管一侧内压迅速升高,从而产生对管路系统有破坏作用的水锤现象,所以一般止回阀生产口径为50~500 mm〔1〕。
生产、销售及技术服务于一体的流体控制企业,其产品和服务在化工、石化、石油、造纸、采矿、电力、液化气、食品、制药、给排水等领域市场处于领先地位,
公司主要产品有:调节阀、蝶阀、截止阀、球阀、止回阀、闸阀、疏水阀、旋塞阀、水力控制阀、电磁阀、平衡阀、过滤器、阻火器、呼吸阀、保温阀门、进口阀门等。
公司积极开展对外交流与合作,是德国莱克(LIK)阀门的中国总代理,并代理销售日本KITZ(北泽)阀门、日本VENN(阀天)阀门、美国LEO(力沃)阀门;
公司始终坚持“诚信第一,质量根本”为宗旨,产品及服务深得用户的信赖和广泛的赞誉。 广州奥村阀门制造有限公司真诚欢迎您的合作! 热线:020-61132877
Guangzhou aocun valve co.,ltd(formerly Guangzhou gelanfu valve factory),headquartered in Guangzhou,set valve research and development production,sales and technical service in one of the fluid control business,itsproducts and services in chemical,petrochemical,petroleum,paper,mining,electricty,gas,food,pharmaceutical,water supply and drainage areas of the marketleader.
Our main products are:valve,butterfly valve,globe valve,ball valve,check valve,gate valve,trap,plug,hydraulic control valves,solenoid valve,balance valve,filter,flame arrester,breathing valve,insulation valves and other imports.
The company has actively conducted exchanges and cooperation,the German LIK valve distributor in China,and sales agent in Japan KITZ valves,Japan VENN valve, YSA LEO valve.
Companies always uphold the”integrity first,quality basic”for the purpose,products and services are trusted by users and the widespread praise. Guangzhou aocun valve co.,ltd sincerely welcome your cooperation! 欢迎您来电咨询、订购!