1)polyester ventilation spiral duct for suction and blast 2)Flame-retardant and good resistant to heat 3)Light weight

Clamped Polyester ventilation spiral duct

Applications: 

Flame-retardant suction and blast hose, especially suitable: - for applications where flame-retardant hoses are needed - for solids such as dust, powder and fibers - for gaseous media like vapors and smoke - as bellows and compensator Features: - Very good resistance to heat - Highly flexible and compressible. - External steel helix protects against abrasion - Firm clamping of the wall in clamp proofed - Good resistance to chemical substance. - Small bending radius - Flame-retardant - Kink-proof - Light weight Materials: - wall:Silicone coated glass fiber fabric - clamp profile:galvanized steel Temperature Range: -20 to +120 degree centigrade approx.

Polyester ventilation spiral duct

I.D.(inch)	I.D.(mm)	Meter/Roll
2	51	10
3	76	10
4	102	10
5	127	10
6	152	10
7	178	10
8	203	10
9	228	10
10	254	10
11	279	10
12	305	10
13	330	10
14	356	10
15	381	10
16	406	10
18	457	10
19	482	10
20	508	10
21	533	10
22	558	10
23	584	10
24	609	10

Clamped Polyester ventilation spiral duct