广州市领航消防设备有限公司

B2经典式液压式闭门器

可承受门重40-65kg

双段调速调节阀，关门调节阀，闭门调节阀

尺寸：230*55*32mm

B2 Classical Door closer

Suit for door weight 40-65kg

Two speed adjusting valve ,close speed valve,latch speed valve

Size:230*55*32mm