NKJ61H真空截止閥 J41H法蘭連接鋼制直通式截止閥（國標） YJ41W氧氣截止閥 WJ41W波紋管截止閥 J41W不銹鋼法蘭截止閥 L44Y高壓角式截止閥 J11T-16鑄鐵內螺紋截止閥 BJ45Y-16C保溫角式截止閥 J64Y焊接型角式截止閥 J41J襯膠截止閥 不銹鋼截止閥 J11W不銹鋼內螺紋截止閥 J45F46襯氟直流截止閥 DJ41Y低溫截止閥 J61H/Y高溫高壓電站截止閥 SJ41Y 水封截止閥 BJ41W保溫截止閥 J45Y 鍛鋼Y型截止閥 J941H電動法蘭截止閥