午夜性爽快免费视频播放|亚洲精品午夜久久aaa级久久久|国产在线精品国自产拍影院午夜|精品午夜国产在线观看不卡,国产a一级无码毛片一区二区三区,国产精品人人爽人人爽AV,亚洲韩精品欧美一区二区三区

2020 官網(wǎng)升級(jí)中!現(xiàn)在您訪(fǎng)問(wèn)官網(wǎng)的瀏覽器設(shè)備分辨率寬度低于1280px
請(qǐng)使用高分辨率寬度訪(fǎng)問(wèn)。

Mini ball valve lock

Product Overview

The scope of application includes converted pressure relief valve, loading and unloading blind valve, sampling equipment, etc. Technical description: ambient temperature: - 40 - + 80 ° C material: stainless steel

Product Description

Handle type valves are interlocked with 90 degree right angle locking and are suitable for all ball valves, plug valves, three-way valves and butterfly valves with valve diameter ≤ 25. Install in the closed position of the 90 ° rotary valve interlock lock open and / or lock valve. The valve is allowed to operate when two keys are inserted into the lock. One key controls the fully open position and the other key controls the fully closed position.

Related Products