z540h、z540y、z540w齒輪閘閥:錐齒輪驅動、法蘭連接、明桿楔式彈性閘板,閥座密封面材料為堆焊合金(z540h-16c~160 z540y-16c~160 z540y-16i~160i z540y-16p~160p z540y-16r~160r)、不銹鋼(z540w-16p~160p z540w-16r~160r),公稱壓力pn16~pn160,閥體材料為碳素鋼(z540h-16c~160 z540y-16c~160)、鉻鉬合金鋼(z540y-16i~160i)、不銹鋼(z540w-16p~160p z540y-16p~160p z540w-16r~160r z540y-16r~160r)的閘閥。
暗桿