several  questions  should be solved  when cleaning Air suction hose :

   Air suction hose is the necessary of machine . For suction hose choice should pay attention to the following:

  And suction hose connection of convenience. Due to the cleaning process, the suction hose need and pipeline connection between supersize work. So with the convenience of pipe connection is to improve work efficiency have to consider the question. Good design should ensure that every connection time not more than 60 seconds, after the connection of excellent seal.

  The use of suction hose should be extensible. Due to the suction machine use suction pipe diameter is generally 250 mm, length is 5 meters, transport and handling are very troublesome. So suction pipe should use may withstand the pressure expansion suction tube, expansion ratio should be greater than 3:1, with convenient transportation and in construction field mobile.