Flexible Duct Connector - Rockal | Rockal Flexible Duct Connector - Rockal
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Rockal

Flexible Duct Connector

ROCKALĀ® Flexible Duct Connector (High Quality ventilation product) Designed to isolate equipment noise and vibration from the ductwork, ROCKALĀ® flexible duct connector consists of a fabric which is secured to sheet metal on both sides

Flexible Duct Connector

Description

ROCKALĀ® Flexible Duct Connector (High Quality ventilation product) Designed to isolate equipment noise and vibration from the ductwork, ROCKALĀ® flexible duct connector consists of a fabric which is secured to sheet metal on both sides, the connector is inserted between the equipment and the ductwork, Flexible duct connectors are widely used in air conditioning systems for commercial, industrial and residential applications.

Key features:

Airtight and waterproof.
Commercial or residential applications.
Double-lock gripping fingers of metal to
fabric adds to holding power.
Designed to meet NFPA 90A & 90B
specifications.
Pre-assembled with sheet metal permanently secured to fabric.
Available in a variety of fabrics.
Fabrics are complying with NFPA 701.
Heat resistant.
Durable.
Flexible.

Application

All mechanical equipment like Air Handling Units, Fan Coil Units and Ventilation Fans generate noise and vibrations when used. To eliminate the noise and vibrations from transmitting through the air ducts, it is necessary to install an airtight flexible joint between the outlet of the equipment, and the inlet of the ducts. During manufacturing, the joint formed by attaching a layer of fabric to two strips of metal on either side is called a ā€œFlexible Duct Connectorā€. The most critical part of this Flexible Duct Connector is the fabric which has to be selected to suit the typical requirements of each installation.

Duct Connector Fabric Types

PU (Polyurethane) Polyurethane fabric is fragile in construction but have a longer resistance period to high temperatures. PVC is recommended for use in application where high mechanical strength is required, extremely resistant to most alkalies, gasoline and toxic fumes. SILICONIZED Silicon fabric has a special silicon rubber coating that has excellent resistance to high and low temperatures. It is recommended for application where high temperature is of main concern in both indoor and outdoor installations.

Size availability

Size Small size

Large size

Sheet Metal 45mm 70mm Fabric 75mm 100mm Sheet Metal 45mm 70mm

Technical Parameters

Types Pu Pvc Siliconized
 

Base Fabric

 

Fiberglass

 

Polyester

 

Fiberglass

 

Coating

 

PU (both sides)

 

PVC (both sides)

Rubbery surface for grip (both sides)
 

Color

 

Grey

 

Black or Grey

 

Grey

 

Temperature Range

 

-30 Cā—¦ up to 250 Cā—¦

 

-30 Cā—¦ up to 80 Cā—¦

 

-30 Cā—¦ up to 260 Cā—¦

 

Fire Resistance

Fabric: Non-combustible Coating: Fire retardant Fabric: Limited-Combustibility Coating: Limited- Combustibility Fabric: Non-combustible Coating: Fire retardant
 

Tensile Strength

 

W: 425 lbs F: 280 lbs

 

W: 280 lbs F: 220 lbs

 

W: 372 lbs F: 372 lbs

 

Tearing Strength

 

W: 65 lbs F: 70 lbs

 

W: 35 lbs F: 35 lbs

 

W: 90 lbs F: 90 lbs

 

Specifications

Strongest all-purpose fabric in the industry with excellent resistance to cuts, tears, and abrasion  

Suitable for general applications economical choice

 

Resistant to weather, most chemicals, water, and oil

 

Fire performance

Comply with NFPA 90A & 90B Comply with NFPA 701 Comply with NFPA 90A & 90B Comply with NFPA 701 Comply with NFPA 90A & 90B Comply with NFPA 701
 

Sheet Metal

 

Galvanized

 

Galvanized

 

Galvanized

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+201012230000
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