How many mm clearances should be maintained around the handwheel edge of any direct operated valve?
What valve do you want to see?
There is no uniform requirements, the valve size, spacing, the principle is easy to operate, not easy to scratch the principle
For any direct operation of the valve handwheel edge, it shall be maintained at least 100mm of the clearance distance around it. When the valve is arranged adjacent, the net distance between the handwheel shall not be less than 100mm.
