j41, j41h, j41h 16, j41t, j41t-16, j41w, j41w-16, 截止阀, 截止阀规格, 铁截止阀, 铸铁截止阀| 2020-09-21| Post by: Feiqiu 铸铁截止阀 铸铁截止阀一般作启闭之用，常见阀体材质有灰铸铁和球墨铸铁，公称压力通常小于等于1.6MPa，适用介质有水、蒸汽、油品等。 Read more
