截止閥的啟閉件是塞形的閥瓣，密封面呈平面或錐面，閥瓣沿流體的中心線作直線運動。
山武閥門——截止閥、節流閥系列產品;截止閥、法蘭截止閥、對焊截止閥、承插焊截止閥、放空導淋閥。手動截止閥、電動截止閥J941、J961、氣動截止閥J641、氣動角座閥、正齒輪傳動截止閥J441、傘齒傳動輪截止閥J541。保溫截止閥BJ41、BJ45。高溫高壓電站閥（J61Y-P54/170V）、高溫截止閥J41Y/J61Y。高壓截止閥J41H、J61H、對焊高溫高壓截止閥J61、J65、J64、Y形截止閥J45/J65Y、自密封高壓截止閥J41、J61。波紋管截止閥WJ41、WJ44、WJ61、WJ11、保溫波紋管截止閥BWJ41。氧氣截止閥JY41W。真空截止閥NKJ41H、NKJ44H、NKJ61、水封截止閥DSJ41H、DSJ61H。氨用截止閥J41B、J42B、J61B、J21B、J11B。角式截止閥J44、J64。襯氟截止閥J41F4、J45F4、襯膠截止閥J41J、J45J、塑料截止閥J41F-6S、J11F-6S。液化氣截止閥、天燃氣截止閥J41N。低溫截止閥DJ41W。撞擊式截止閥ZJ41H。蒸汽截止閥J41H、WJ41H。黃銅截止閥J11W-16T、鑄鐵截止閥J41T-16Z、鑄鋼截止閥J41H-16C、不銹鋼截止閥J41W-16P、鍛鋼截止閥、鉻鉬鋼截止閥J61Y-16I、鉻鉬釩鋼截止閥J61Y-100V。節流閥L41H、高壓節流閥L41Y-320、截止節流平衡閥L41Y/L44Y/L