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Product Info
Performing the cost-benefit analysis
A technical sales employee calls to look at your situation personally
and to draw up a thorough inventory of the parts of the installation
that still need to be insulated. This information may then be used to
prepare a quotation, which is itemised so that you can quickly see what
has and what has not been placed on the inventory.
If you want to proceed with the insulation, the next step is…
Measuring
The “tailor” or measurer then arrives. He looks at each
individual part to be insulated and measures precisely how each
“jacket” will look. He takes into account such elements as any jamming
of the insulation, openings for the glands of cut-off valve spindles
and other considerations. Pumps, for example, are insulated only at the
water face while the junction boxes on the engine housing are kept
clear. This way the perfect fit for good insulation is guaranteed while
maintenance remains easy.
Computer drawing
In the design office at Thermatras, the drafts are converted
into definitive digital drawings. Special design software from the
clothing industry ensures the precise fit of the insulation blankets.
By means of nesting, the patterns for cutting are divided up as
effectively as possible by the computer on the fabric for cutting, so
that waste is confined to an absolute minimum.
Computer-controlled cutting
In the workshop at Thermatras, the patterns are cut using a
computer-controlled cutter on a 20 m2 table with millimetre precision.
This is how the blanket cloths made from glass fabrics and/or synthetic
fabrics acquire their definitive form.
Stitching
The patterns are then stitched together in accordance with the
drawing. For special applications, a Velcro fastening or belts with
buckles are required. Once the fabrics have been stitched together, the
glass fabrics must be turned so that the seams are on the inside of the
blanket for the next step in the production process.
Stuffing
The “empty” insulation blankets are now stuffed with glass wool
or Rockwool. This is done by hand to ensure that the insulation is
distributed as evenly as possible. The thickness of an insulation
blanket is between 4 cm and 6 cm on average, though thinner is also
possible, of course, depending on the application.
Tufting
To prevent the glass wool or Rockwool stuffing from shifting,
the insulation blankets are equipped with tufts. A tuft consists of a
staple that is inserted into the insulation blankets by a pneumatic
tacker. The way in which the tufts are made determines the final
structure of the insulation blanket.
Hooking
A tacker is also used to attach stainless steel fastening hooks
to the insulation blankets. These hooks are joined together during the
assembly by means of stainless steel wire, in the same way as laces are
tied on climbing boots.
Packing and preparation for transport
Quality checks are performed throughout the various steps in the production process.
The final check is made while the insulation blankets are being packed.
The insulation blankets are compared visually with the measurer’s
original working drawings. They are then packed. A label with the
project name, location and number is affixed to each package.
Assembly
The only step that you see after the measuring is the assembly
of the insulation blankets. The numbered insulation blankets are
assembled on the parts of the installation with the corresponding
numbers. This is done extremely accurately and neatly. Since the
insulation blankets have been made to measure, assembly is easy and
requires little time.
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