Venting duct or pipe for mining (underground), railroads and highways tunnels and galleries. Used in the air injection and / or exhaustion, compatible with several models of axial fans, meeting the most diverse requirements of work pressure.
Reinforced laminated PVC or PVC tarp with high tenacity polyester threads fabric, coated on both surfaces by PVC film with additives.
Size: Several sizes, with diameters varying from 0.30 to 2.20 m and lengths in throws of 10 or 20 m (special dimensions, under request)
Many shapes / geometries (standard pipe, fork in "Y", structured with metallic spiral, derivation to the left or right, geminate, oval etc).
Many kinds of connection between modules.
Acessories: sustaining handles every meter, repair set, Conservation, Maintenance, Operation, and Installation manual.
Color: Yellow - standard (other colors under request).
- PVC tarp manufactured with durable, highly resistant and waterproof material;
- Light, malleable, easy to handle and transport material;
- High frequency electronic weldings, assuring total resistance and waterproofing;
- Easy and versatile instalation, it can be installed vertically and horizontally;
- It can be used for positive or negative pressure (only structured model);
- Able to be repaired, with maintenance done in field, in a simple and fast way;
- Technical assistance in the whole country.