免费国产在线观看黄a,亚洲电影免费观看,国产在线播放无码不卡,欧美精品免费在线视频,国产刘玥视频在线观看,国产剧情bt高清在线,中文免费欧美日本,中国农村熟妇性视频,国产福利在线观看大全,视频在线一区二区

 
location:indexCOMPANY
Valve lock unlocking device product features
Posted in:[2017-09-09] Click:
Valve lock unlocking device product features

Each valve lock valve is equipped with two different keys with a coded key to control the two states of the valve.

The device left on the two keys under the conditions of the valve in the operable state, through the operation to achieve the key conversion.

The valve is in a locked state with the key remaining on the device, and the position of the key identifies the state of the valve.

Through the "key transfer" to achieve the valve information remote transmission and status display.

Compact and rugged, flexible and easy to operate.

The use of stainless steel, long product life.

Valve lock installation is simple, does not change the performance and shape of the controlled valve, suitable for a variety of types of valves.


information