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pvc coated tunnel ventilation duct hose

1.Product Data:
Material:
Wall : High density polyester weave coated PVC on both side
Spiral: reinforced steel wire(built-in)
Exterior spiral cover: PVC strip
I.D(inch):6 8 10 12 14 16 18 20 24 28 32 36 40 42 48 50
I.D(mm):150 200 250 300 350 400 450 500 600 700 800 915 1000 1067 1200 1267
Length(m):5m or 10m ,or as customers’ requirement
Wall thickness:0.38-0.7mm
Packaging:Carton,wooden case,wooden tray,plastic tray
Delivery:3 working days for sample,10-20 working days for large quantity

pvc coated tunnel ventilation duct hose

2.Features :Highly flexible,Flame retardant,Oil, Acid &Alkali Resistant,Kink proof.
Working temperature:-20°C to +80°C, 
Vertical breaking strength: ≥2000N/50mm
Lateral breaking strength: ≥2000N/50mm
Tearing strength: ≥260N
Adhesive strength:＞22N/25mm
Application :
    Widely used in these working environment such as tunnel, basement,ship building or welding, laboratory ,air-conditioner,engine room,the municipal conduct engineering,fire-fighting to ventilate or exhaust waste air,dust to supply fresh air.keep more safely and effectively during working.with the strap or pp rope can conveniently connect to the portable ventilator to use together.

pvc coated tunnel ventilation duct hose