PVC Multi-Purpose Flexible Duct

Applications

This ventilation duct features a reinforced frame made of thickened steel wire encased in black plastic, with premium flame-retardant PVC mesh fabric forming the duct body. Independent reinforcing rings are fitted around the duct, and a metal hanging ring is installed every meter for easy securing.

It is widely used in equipment rooms, basements, tunnels, municipal pipeline projects, underground cable maintenance, shipbuilding, fire and rescue operations, airports, livestock farming, greenhouses, mines and other working environments. It is suitable for hot and cold air circulation, air supply and exhaust, and is commonly used with portable ventilation fans.

Characteristics

Reinforced with thickened steel wire encased in black plastic and made from PVC mesh fabric bonded through a high-temperature heat-fusion process.

Retractable, freely bendable and easy to connect. Lightweight and convenient to carry.

Good airtightness, low air resistance, wear resistance and high compression strength.

Resistant to high temperatures, oil and acids. Flame-retardant and electrically insulating.

Designed for air exhaust. Maximum pressure resistance: 5,000 Pa. Standard length: 5–50 m.

Available with a straight drawstring cuff or side-mounted buckle cuff for easy connection and extension.

Product Specifications

Inner Diameter (mm)	Inner Diameter (inch)	Packing Dimensions for 10 m (cm)	Weight (kg)
Φ150	6	20 × 20 × 35	5.8
Φ200	8	23 × 23 × 36	6.8
Φ250	10	28 × 28 × 35	9.0
Φ300	12	34 × 34 × 28	10.8
Φ350	14	37 × 37 × 28	12.0
Φ400	16	43 × 43 × 26	13.3
Φ450	18	48 × 48 × 26	16.5
Φ500	20	53 × 53 × 26	21.5
Φ550	22	58 × 58 × 26	23.0
Φ600	24	62 × 62 × 25	23.8
Φ650	25	No carton included	25.0
Φ700	28	No carton included	28.0
Φ800	32	No carton included	30.0
Φ900	36	No carton included	32.0
Φ1000	40	No carton included	35.0