negative ventilation hose

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Product
negative ventilation hose
Posting date : Jun 08, 2015
Membership
Free Member Scince Jun 05, 2015
FOB Price
1-6 USD
Min. Order Quantity
500
Supply Abillity
50000
Port
YANCHEN
Payment Terms
T/T,L/C
Package
woven bag or as your request
Keyword :
Category
Contact
catherine
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Product Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
SL
Model Number
SLFT-PVC-NV
HS-CODE
-
Package & Delivery Lead Time
Package
woven bag or as your request
Delivery Lead Time
15 days for ready goods
Detailed Description
Negative Ventilation Hose Code: SLFT-PVC-NV
Introduction:
“SL” 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: 0.3m、0.4m、0.6m、0.8m、1m、1.2m、1.4m、1.6m、1.8m、2m、2.4m
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.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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