I see this a lot and it bothers me. Gate valves mechanically are designed for full open or full close operation, they aren't meant for flow control. If a gate is used for flow control the flat plate that makes up the gate will erode away from the bottom due to the water rushing through. This changes the flow rate over time, and eventually make it so the gate won't fully close. Ball valves are usually a much better option.
Are people not seeing gate erosion in their setups? I noticed that sellers of gate valves are marketing them for flow control, which is also odd.
I guess it could be a price issue, I would think a gate valve is cheaper to make? Any thoughts?
Are people not seeing gate erosion in their setups? I noticed that sellers of gate valves are marketing them for flow control, which is also odd.
I guess it could be a price issue, I would think a gate valve is cheaper to make? Any thoughts?