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Fengcheng Hanyang manual butterfly valve Industrial Co., Ltd always insists on quality and hopes that we can cooperate and achieve a win-win situation.

A very important item to have is some type of cover plate

A very important item to have is some type of cover plate. This plate will be placed in front of doorways or floorboards when you are using the wands to get around the edges of the concrete. A lot of the competition does not make this additional effort when doing a job. This is what makes us the best because we care about the work that we do.The truck should be set up so that you can use a garden hose and external water supply should we need one for concrete or other types of jobs.

The trucks should come with quick releases between the tank and the intake tube to the pressure washer. There should also be a valve that is turned so the water is running from the black tank that now holds the external water that comes in. There needs to be a connection for a water hose that is on top of the black small tank. The inside of the tank can be fitted with a floater in it so water will not run over when you are not depressing the trigger and letting out water. When cleaning concrete always use 3000+ PSI and 250+ degree water. These two elements are key to cleaning concrete effectively and correctly. Now let's talk about chemicals for a minute.To clean rust there is a product made by Simonize (that can be ordered from Howard at AAA Pressure Washers)hat is called Concrete Cleaner and Etch.

This chemical is an acid and can be very dangerous. To apply this chemical you can spray it with a metal hand held spray canister. If you use a sprayer that has plastic parts to it, the sprayer won't last more then a one or two times before the parts melt and it is useless. The chemical should be mixed 50-50 with water. If you are using it on colored concrete try a test patch first because this stuff bleaches and lightens so it might make it lighter than the original concrete. For removing oil or grease stains Simonize SC-260 can be used. It is a granule type chemical that looks like kitty litter. To apply it you need to wet down the area to be treated first then spread a thin layer of it over the spot. Take a brush and agitate it to work it in.

Let it set about fifteen to twenty minutes before removing it. Make sure you are very through in removing the granules. This next chemical should be used for emergencies if at all possible. This stuff is very thick and should be applied with a roller brush that is an adhesive type roller. Let it set for fifteen to twenty minutes and then remove it being very careful not to get it on you or any of the other chemicals for that matter. To develop the most efficient use of time at a concrete job site one person should be sweeping up loose debris from the work area while the other is setting up the equipment. Be sure all the corners are swept well because this is the area where most lose dirt seems to end up. Remember that when you hydro twist an area that you are simply lifting the dirt and stains.You need to go back over the areas afterwards to move the dirt away from the concrete. After you have used the hydro twister on the area you then need to cover all siding up with your cover plate or what ever guard you find works best and proceed to hand wand any trouble spots and the outer edges of the concrete.

Finally, when working where a lot of contractors are working be sure to be polite and try to work around them. You never know who they have contacts with. They may refer you to some one else. Concrete is a great "filler" account if it happens to be raining. You can always do concrete in any type of weather and it pays very well for what you to do for the job. So remember, concrete work is always good to have. PNEUMATIC ACTUATOR BUTTERFLY VALVE