Which is more expensive, rotary vane vacuum pump or water ring vacuum pump?
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For laboratory use, the water ring type is sufficient according to the vacuum requirements. But is the rotary vane type cheaper? Is the price difference between these two pumps much different? :)
The rotary vane type is cheaper, please ask the manufacturer for details.
If the experimental type is used and the vacuum degree can meet the requirements, the water ring type is better because it is low-priced and durable. The rotary vane type has more wearing parts, but its vacuum degree is much higher than the water ring type.
Buy a water ring. The rotary vane type is cheaper to buy but more expensive to use. I make water rings 13853327196
The rotary vane type is cheaper, but not much cheaper
Use the water ring type, the rotary vane type is not as good as the water ring type.
The rotary vane type is cheap and the water ring is durable.
Under the same specifications, the price of the rotary vane should be lower