Double glazing manufacturing lines. The pumps.
The pumps are going to be used for the sealing after coupling.
There are two different kind of pumps, depending if you use a mono component product like hotmelt™ or a bi-component.
More and more the bi-component pumps are required on the markets due to the building rules.
The bi-component pumps use two different products. A sealing product (silicone, polysulfur..) and a catalyst with is mixed with the sealing product to harden it.
These pumps are composed with a metal structure where are located the two products trunks, the control panel to adjust the mixing (percentage, speed..), the pump which drives the two different pistons (one for each trunk) and a gun allowing to the operator to carry out the sealing on the glass perimeters. (Inside this gun is done the mixing between the product and the catalyst in a kind of maze). Here also is located a refrigerator device where the gun is located during the production stops to block the chemical reaction between the sealant and the catalyst. This way the production can restart quickly without to have to clean the gun.
The pump is very often specific with the sealant you are going to use, even sometimes with the product reference due to the specific viscosity. So before to choose a pumps you have to decide before which kind and trade mark of sealant you are going to use.
