Negative air ventilation hose for underground project

Negative air ventilation hose for underground project
Model:SLFT-PVC-NV
Brand:SuLong
Origin:Made In China
Category:Construction & Decoration / Pipe, Tube & Parts / Plastic Tube, Pipe & Hose
Label:air ventilation duct , negative ventilation , ventilation hose
Price: -
Min. Order:500 pc

Product Description

Negative ventilation hose has two structures: one type is that the end coil is made of cold-drawing steel wire with end coil distance 150~600mm, and the other is that ducting connected with spiral steel ring made of spring steel wire with end coil distance 150~600mm.

Unique quality

Quality standard abides by GB/T 9900-2008.

Characters

•Large air flow                           

•Long distance air supply          

•Low air leakage                          

•Low air resistance                     

•Long service life                          

•Easy installation                       

•Safe and Environmental protection           

•Great value

 

Usage

Negative Ventilation hose is also named as drawing-out type ventilation hose and widely used in underground project of coal mines, tunnels, subway, ships and so on.

Description

Working temperature:  -20 ~ 70  

Diameter: 0.3m0.4m0.6m0.8m1m1.2m1.4m1.6m1.8m2m2.4m

Standard Length: 10m

Standard color: Yellow, black

Connection: Zipper connection

 

Technical Parameter:

 

Diameter

(mm)

Windage/m

N.S2/m8

Air leakage rate

%

Resistance to negative pressure

Tensile Strength

kN/m

Tearing Strength

N

Thickness

mm

300

≤1728

≤5

≥5000

≥26

≥150

0.34

400

≤410

500

≤134

600

≤54

≥4000

800

≤13

1000

≤4

≥40

≥250

0.38

1200

≤1.5

1200 above

≤1

Anti-flaming

Flaming time≤10s, Flameless time≤30s

Anti-static electricity

Surface resistance≤3*108Ω

Heatproof

No crack and tacky etc 

Cold-resistant

No breakage and leakage etc

Negative air ventilation hose for underground project 1Negative air ventilation hose for underground project 2

Member Information

Jiangsu Sulong Eo-technologies Co.,Ltd
Country/Region:Jiang Su - China
Business Nature:Manufacturer
Phone:18251888912
Contact:catherine (specialist)
Last Online:15 Mar, 2016