When you want to clean the fabric sofa, you need to prepare: a small plastic brush, a small sponge and a clean towel (preferably a lint-free wipe).
First, choose the least visible floor (such as the back, corners). Spray the cleaning solution directly onto the fabric and carefully observe what has changed. For example: Does the cleaning solution itself have no color? The depth of the color? Is the foam rich? Is it too fast? What kind of taste is produced? Is there any fading after the fabric touches the cleaning solution? The safest thing is to wait until the cleaning solution is completely dry, then observe it and check the effect with the product description.
When you are ready, you can start cleaning.
First, spray the cleaning liquid on the surface of the fabric, depending on the degree of dirt, first wipe the cleaning agent with a sponge and wipe it evenly to make contact with the surface of the fabric. Then, gently wipe with a sponge. Clean the surface.
Second, if the part is very dirty, the cleaning can not clean the dirt, you need to use a small brush.
Gently brush with a small brush in the direction of the cloth; depending on the turbidity of the cleaning solution, use a towel to suck off the dirty cleaning foam and re-spray a new cleaning solution, and repeat until the dirt is cleaned.
3. Wipe off the excess cleaning agent with a towel.
The cleaning work is over.
Proportional valve is a valve that relies on the statics to supply a reduced pressure to an output line.
A simple example is where spring load applies a reducing force so that the output pressure is reduced. Proportioning valves are frequently used in cars to reduce the brake fluid pressure to the rear brakes.
There are different types of proportional valves as below:
1. Electro-hydraulic proportional valve
2. Proportional pressure Reducing Valve
3. Proportional servo valve
Proportional Valve
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