Flameless Explosion Venting Device
–
FLEX
6
35
1
✓
Unsuitable spare parts were used (only the genuine spare parts distributed by the
manufacturer can be used).
✓
Inappropriate accessories, which had not been approved by the manufacturer, were
used.
The warranty can be exercised only provided that the damaged part, including the
description of the defect and the product serial number, will be sent in to the
manufacturer's address.
1.5 STORAGE
Prior to the installation to the protected technology, the product must be stored in a clean and
dry place, and it must not be exposed to the weather. The product shall be stored in the
original packaging. Under no circumstances can the product be exposed to rain, freeze, dust
or any other weather conditions that affect the functions of the FLEX device.
The operating and maintenance instructions must be kept throughout the life of the product
and it must be readily accessible to all employees.
If the product is removed from service or sold, it must be handed over to the new user
together with these operating and maintenance instructions.
In the event of the loss of these instructions, they can be re-ordered from the manufacturer.
1.6 TERMS AND DEFINITIONS
The flameless explosion venting device - FLEX
consists of the equipment for explosion
venting (membrane) and the device for the absorption of the released energy (FLEX), which
spreads during the dust explosion in a confined space. FLEX prevents the transmission of
the explosion pressure and flame through the release opening of the membrane, thereby
protecting people and equipment in its vicinity. FLEX must be used in the event of the
membrane installation inside the building, where the protected equipment is located.
The membrane
- is the device protecting a vessel or other closed volumes using the
explosion venting - releasing the explosion pressure to the surrounding space. The
membrane prevents the explosion pressure inside the vessel or any other closed volumes
from exceeding the structural strength of the vessel and reduces the explosion pressure to a
lower value than the allowable pressure load-capacity of the vessel.
The signalling device
- is a device monitoring the position of the membrane
(closing/opening). It works on the principle of breaking the wire firmly connected with the
membrane and passed through a cable entry in the FLEX body. Upon breaking, the safety
circuit is interrupted and the membrane opening is indicated.
