Has anyone experienced this type of gate valve before? What is that device at the top used for?
Thread Content
Has anyone experienced this type of gate valve before? What is that device at the top used for? Please help take a look
I’ve never seen this before. Could you take a few photos from other angles?
For chain-type systems, there should be a key to prevent accidental operations during switching; the sequence for opening and closing valves is important
Mechanical interlock device; it comes with only one card-style key, and the set costs over 10,000
Two keys must be inserted at the same time to operate it. Then take another one and place it in the next valve. And so on, by the same principle. Prevent accidental operations
It should be a locking device. It doesn’t quite resemble a deceleration device
It mainly prevents errors caused by intentional actions by others