Blow-in parachutes – Efficient and reliable, even in the most demanding challenging pipe conditions
Our range includes blow-in parachutes that can be used in a wide variety of situations.
They are particularly useful for pipelines with deformations or different diameters as well as those that are already occupied with a cable or if no suitable shuttle is available.
Please take into consideration, that parachutes are not suitable to be used for pipe cleaning or for ejecting water.
A major advantage of blowing in a parachute is that it can be pulled back at any time if something goes wrong. To check the duct installation, a metred line can be used to identify the area where problems have occurred and examine the cause accordingly.
Our product portfolio consists of two different types of parachutes, one for low pressure to be used with the Pull Line Blowers and one for high pressure to be used with compressor.
These are available in four different sizes to cover internal tube diameters from 30mm to 200mm / 1″ to 8″.
Overview of Blow-in Parachutes
Low-pressure Parachutes
If you are using one of our EZ50, EZ100, EZ300, or EZ380 cord blowing devices, we recommend the low-pressure parachutes. These blowing parachutes fit snugly against the outer wall and open even with a small amount of air.
High-pressure Parachutes
Our high-pressure version of the blowing parachutes is particularly well suited for use with high-pressure compressors. Due to the high pressure exerted on the outer wall, standard blowing parachutes tend to wear and rub more quickly in this process. Therefore, these special high-performance parachutes are made from durable and hard-wearing fabric, making them perfectly suited for work with compressors.
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FAQ Blow-in parachutes
When blowing in with a compressor, pressures of up to 10 bar are generated. At such high pressures, the low-pressure parachute wears out considerably faster due to the friction on the inner wall of the pipe than a high-pressure parachute, which is made of a much more durable material.
Since low-pressure blowing devices (EZ50, EZ100, EZ300) are blown in at a much lower and gentler pressure, it is important that the fabric of the blowing screen fits snugly against the inner wall of the pipe and seals it. This allows the air to transfer its energy optimally to the blow-in parachute.
As high-pressure parachutes are made of a much more durable and rigid material, they can only fully deploy at high pressure (compressor), whereas the low-pressure parachute can fully deploy and do its work at low pressure.
We have 4 dimensions of high-pressure parachutes in our standard range, suitable for the following internal pipe diameters:
- 30 to 60mm
- 60 to 100mm
- 100 to 150mm
- 150 to 200mm
High-pressure parachutes are made from durable and hard-wearing fabric. This is also used particularly for the manufacture of motorcycle clothing in order to meet the high requirements and wear and tear.
Conventional blow-in parachutes deteriorate and rub faster when used with compressors due to the high pressure exerted on the outer wall.
Due to the high working pressure, the parachute is pressed strongly against the inner wall of the pipe and grinds against it during the blowing process.
Our high-pressure parachutes are made of hardwearing textile and specially developed for such loads.
They are long-lasting and resistant, making them ideal for processes with a compressor.
The blow-in parachute offers an alternative method to the blow-in shuttle. If the shuttle gets stuck, using a parachute to blow the string into the tube can still be very successful.
