ly check valve

  hd75x系列(liè)超薄型蝶(dié)形止(zhǐ)回閥是(shì)我(wǒ)公司(sī)在引(yǐn)進、消(xiāo)化日本新技(jì)術的基(jī)礎上研制而成的高(gāo)性能單向(xiàng)閥，廣泛适用于(yú)建材(cái)、冶金、礦山(shān)、石化、電力、給排(pái)水等行業，是旋(xuán)啟式止回(huí)閥的(de)換代産品(pǐn)。

  the valve is the high performance single-direction valve designed on the base of introducing and absorbing thejapannew technology. it is widely used in building material, metallurgy, mining, oil chemical, electric power and feed water and drainage industries etc. it the new product of rotary-open type check valve

結構(gòu)特點：

structure characteristic:

  hd75x系列産品結構新穎(yǐng)，體積(jī)小、重(zhòng)量輕(qīng)、強(qiáng)度高，流阻系(xì)數小(xiǎo)、水頭損失低、靈敏度(dù)高、密(mì)封性(xìng)能(néng)強。密(mì)封面無(wú)磨損，使用(yòng)壽命長，安全可(kě)靠。

  the valve has the features of novel structure, small volume, great strength, little lost of flow resistance, little lost of water end, grate delicacy, good sealing performance, no abrasion on sealing surface, long life and safety.

性(xìng)能參(cān)數：

performance parameter:

hd75x系列 外(wài)形(xíng)連接尺寸(cùn)：

appearance joint dimensions: