GJ41X管夾閥 D341J襯膠法蘭蝶閥 D971J電動襯膠蝶閥 D671J氣動襯膠蝶閥 D371J襯膠蝶閥 Z41J襯膠閘閥 J45J襯膠直流式截止閥 J41J襯膠截止閥 G45J直流式襯膠隔膜閥 EG6K41J英標常開式襯膠隔膜閥 EG6B41J英標常閉式襯膠隔膜閥 EG41J襯膠英標隔膜閥 H40J襯膠浮球式止回閥 H44J襯膠旋啟式止回閥 G941J電動襯膠隔膜閥 G41J手動襯膠隔膜閥 X43F46襯氟旋塞閥 Z41F46襯氟閘閥 J45F46直流式襯氟截止閥 J41F46襯氟截止閥 EG41F46英標隔膜閥 G41F46襯氟隔膜閥 D371F4對夾式襯氟蝶閥 D371F46對夾式襯氟蝶閥 D341F46法蘭式襯氟蝶閥 Q41F46襯氟球閥