GN solids vacuum pump is one of our most featured equipment. It was totally developed by GN. Currently, only 3 suppliers can provide this kind pump in all over the world. And GN is only the China company. Every year, we export more than 200 units pump to all over the world, and this quantity keep raising every year.

Different with normal pump, GN solids vacuum pump driven by pressure air provided by air compressor. And this pump can transfer dry solids that smaller than 75mm , and it is good at pump high solids control material such as drilling cutting ,sludge that the normal pump can not pump. The special application makes solids vacuum pump become one of the most popular equipment in market. Vacuum pump does not have complex structure, only one mud tank with several air control valve. Utilize the high pressure to make a vacuum space in mud tank inside, and then suck material into tank. Finally input air into mud tank to push the material to discharge out. This simple structure is also one the bigger advantage of this pump,more simple structure,more stable quality.
However, this pump still wold be some issue after long time using. Most times, these problem was caused by the dirty air. Even there is air filter inside the vacuum pump ,but some things dirty still may block air line of pump. Inside of control box, there is one 5-way valve ,which is used to Switch air flow direction to control material loading and uploading. When the pump do not work well, Most time it was cause by the blocking of 5 way valve. Client can disconnect the hose of top and bottom valve. And then connect air source, through high pressure to blow out the dirty inside of the valve and finish the valve cleaning. Finally, return the hose position and run the pump again.

Most times, we can solve the pump issue through cleaning 5 ways valve. If the cleaning is useless ,you can contact GN , and we will give out the suggestion to help you solve this issue.