This system consists of a vulcanised elastomer flap
which has been pre-stressed during the moulding operation.
If there is no product present, due to the vacuum effect under the cyclone or filter,
the two opposite surfaces of the membrane join together, making an airtight seal.
Once a certain quantity of material is collected in the Obturator, the load applied
to the membrane eventually frees the product gathered in its lower part, and the membrane
closes up again as soon as the minimum load is reached.
The quality of elastomer used is a safety feature which ensures in every situation a
perfectly airtight seal, even after a certain amount of wear of the surfaces in contact
with the product being ejected.
The design of the Obturator ensures an airtight seal at the opening of the diaphragm
which prevents air from entering the system through the Obturator opening.
The use of Obturators prevents clogging problems, which are inherent in certain powdery materials.
Rubber Obturators are moulded and hot vulcanised in high capacity presses, in our workshops.
Strict controls during the manufacturing process ensure the quality of our Obturators.
ADVANTAGES
- No energy consumption, as the process operates without a motor
- No maintenance
- Purchase price considerably lower than existing competitive products
- For effective replacement of double flap valves, rotary valve
OPTIONS
- Protective hood with its sealed inspection door.
This hood eliminates the risk of dust spillage in the event of sealed systems being used.
