止回阀按结构可分为升降式止回阀、旋启式止回阀和蝶式止回阀三种。升降式止回阀又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、对夹式和焊接等。
　　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，大型止回阀应独立支撑，使之不受管道系统产生的压力影响。
2、安装时注意介质流动的方向应与阀体所标箭头方向一致。
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。
天津卡特斯流体控制设备有限公司（卡特斯阀门）产品有：
对夹式消声止回阀h71x-16q,h71t-16q,h71x-10t,h71t-10t
丝口升降式止回阀h11t-10,h11t-16,h11t-25
丝口旋启式止回阀h14t-10,h14t-16,h14t-25
法兰降式止止回阀h41t-10,h41t-16,h41t-25
法兰旋启式止回阀h44t-10,h44t-16,h44t-25
丝口铸钢升降式止回阀h11h-10c,h11h-16c,h11h-25c
丝口铸钢旋启式止回阀h14h-10c,h14h-16c,h14h-25c
丝口碳钢升降式止回阀h11w-10c,h11w-16c,h11w-25c,h11w-40c,h11w-64c,h11w-100c
丝口碳钢旋启式止回阀h14w-10c,h14w-16c,h14w-25c,h14w-40c,h14w-64c,h14w-100c
法兰铸钢降式止止回阀h41h-10c,h41h-16c,h41h-25c,h41h-40c,h41h-64c,h41h-100c
法兰铸钢旋启式止回阀h44h-10c,h44h-16c,h44h-25c,h44h-40c,h44h-64c,h44h-100c
法兰铸钢止回阀h42h-10c,h42h-16c,h42h-25c,h42h-40c
丝口碳钢升降式止回阀h41w-10c,h41w-16c,h41w-25c,h41w-40c,h41w-64c,h41w-100c
丝口碳钢旋启式止回阀h44w-10c,h44w-16c,h44w-25c,h44w-40c,h44w-64c,h44w-100c
丝口不锈钢升降式止回阀h11w-10p,h11w-16p,h11w-25p,h11w-40p,h11w-64p,h11w-100p
丝口不锈钢旋启式止回阀h14w-10p,h14w-16p,h14w-25p,h14w-40p,h14w-64p,h14w-100p
法兰不锈钢升降式止回阀h41w-10p,h41w-16p,h41w-25p,h41w-40p,h41w-64p,h41w-100p
法兰不锈钢旋启式止回阀h44w-10p,h44w-16p,h44w-25p,h44w-40p,h44w-64p,h44w-100p
法兰不锈钢止回阀h42w-16p,h41w-16p
丝口铜升降式止回阀h11w-10t,h11w-16t,h11w-25t,h11h-10t,h11h-16t,h11h-25t
丝口铜旋启式止回阀h14w-10t,h14w-16t,h14w-25t,h14h-10t,h14h-16t,h14h-25t
法兰铜降式止止回阀h11w-10t,h11w-16t,h11w-25t,h11h-10t,h11h-16t,h11h-25t
法兰铜旋启式止回阀h14w-10t,h14w-16t,h14w-25t,h14h-10t,h14h-16t,h14h-25t
不锈钢止回阀h11w-10p,h11w-16p,h11w-25p,h11w-40p
不锈钢止回阀h12w-10p,h12w-16p,h12w-25p,h12w-40p
不锈钢止回阀h13w-10p,h13w-16p,h13w-25p,h13w-40p
不锈钢蝶形止回阀h76w-10p,h76w-16p,h76w-25p,h76w-40p
不锈钢蝶形止回阀h71w-10p,h71w-16p,h71w-25p,h71w-40p
不锈钢蝶形止回阀(卫星型)h71w-10p,h71w-16p,h71w-25p,h71w-40p
不锈钢蝶形止回阀h74w-10p,h74w-16p,h74w-25p,h74w-10p,h74w-40p
不锈钢法兰止回阀h42w-10p,h42w-16p,h42w-25p
不锈钢法兰底阀h42w-6p,h42w-10p,h42w-16p
不锈钢螺纹底阀h12w-6p,h12w-10p,h12w-16p
另有铜蝶形止回阀,空排止回阀h48j,焊接止回阀h64w,jh41截止止回阀,静音止回阀hc42t/x/h-drvz,橡胶瓣止回阀hh44x(sfcv),球形止回阀hq41x,hq44x-hq45x,消声止回阀hc41x,对夹式双瓣止回阀h76x/h-h71h-h72h微阻缓闭蝶形止回阀zhyh46h/w,hh48h/x,hh49h/x,微阻缓闭式止回阀hh44x/h/t,对夹圆片式止回阀h74x/h,节能消声止回阀h41x,直通式止回阀h42h/n,防污隔断阀hs41x
材质:铸铁,铸钢,锻钢(碳钢),不锈钢(201,202,301,304,304l,316,316l),铜,等。

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天津卡特斯流体控制设备销售有限公司
黄工
13381030565
天津市东丽区金钟河大街85号