Product Description

Intruction
 Positive Ventilation Hose（Code: SLFT-PVC-PV）

SL Positive ventilation hose has four types: Standard type, Zipper type, Y-Shaped type and Special-Shaped and can be customized for every section (Length from *0 to **0m).
Every two sections are connected with industrial zipper or end coil.
For the purpose of tunnel driving safety, **0°horizontaldouble hook is used for ducting diameter more than 1.5m. *5°spiral processing technique applied to reinforce strength of anti-pressure and anti-tear.
Quality standard abides by GB/T********8 etc. 
Usage：
Positive Ventilation hose is also named as pushing type ventilation hose and widely used in underground project of coal mines, tunnels, subway and so on.  
Description：
Working temperature:  **0℃~ *0℃ 
Diameter: 0.3m、0.4m、0.6m、0.8m、1m、1.2m、1.4m、1.6m、1.8m、2m、2.4m
Standard Length: *0m
Standard color: Yellow, black
Connection: Zipper connection
Technical Parameter: