Butterfly valve leakage problem: In the use of screw conveyor powder to the reactor under the tube installed a pneumatic butterfly valve, the reaction process will be part of the solvent (acetone) evaporated back. If the butterfly valve leakage, that is, increase solvent loss, but also easy to make the powder material in the material caking, clogging pipes. Butterfly valve to solve the problem: the root cause of butterfly valve leakage is the selection problem. Sealing materials from the butterfly valve inside the form is divided into soft seal and hard seal. If dust caking can not be avoided, other types of valves should be considered.
Lawn mower`s cutting diameter is just the chassis size. It belongs to the type of hand push products and call it machine lawn mower or garden lawn mower. However, it is different from the grass mover. First of all, lawnmower is used for the lawn with area of more than 100 square meters. Secondly, it works by hand pushing, rather than the type of hand holding Grass Trimmer. And the lawnmower cutting height can be adjusted according to that of grass.
More details, pls refer to specification.Lawn Mower
Lawn Mower,Grass Mower,Yard Machine Lawn Mower,Garden Lawn Mower
Ningbo Vertak Mechanical And Electronic Co., Ltd. , http://www.vertakgarden.com