H71H對(duì)夾式止回閥H71H-16C對(duì)夾升降式止回閥H71H-25C單瓣對(duì)夾升降式止回閥H71H-40C鑄鋼對(duì)夾式止回閥H71H-64C碳鋼對(duì)夾式止回閥/不銹鋼對(duì)夾式止回閥H71W不銹鋼對(duì)夾升降式止回閥H71W-16P不銹鋼單瓣對(duì)夾式止回閥采用短型結(jié)構(gòu)尺寸和單閥瓣設(shè)計(jì)，相比傳統(tǒng)的旋啟式止回閥，該系列閥門具有無外泄露、可任意位置安裝、密封性能好、線性震動(dòng)小、壓降小和零座圈磨損優(yōu)勢(shì)。