Deflecto TF620 User Manual

Technical

Technical Product Specifications

Supurr-Flex® pure aluminum, multi-layered flexible
metallic duct, UL Listed 181 Class 1
Air Connector

TF420, TF620

Model No. Description

TF420 Supurr-Flex® alum. metallic duct
TF620 Supurr-Flex® alum. metallic duct

Performance Data

for uninsulated aluminum, flexible metallic duct

Maximum Velocity

• 4000 FPM

Maximum Rated Pressures

• all diameters 8" w.g. Pos.

• 3"-6"dia., -4.0" w.g. Neg.

Operating Temperature Range

• 0°F to 265°F

Pressure Drops . . . . . . (see chart)

UL Listed 181 Class 1 Air Connector

General Information

• UL Listing on this product is for
installations of 14 ft. or less

• for heating, cooling & exhaust

• compressed length . . . 20 ft. to 14" +/-

• fire retardant, NO exposed polyester

inside or outside

Pressure Loss Diagram

10,000

5,000

4,000

3,000

2,000

1,000

700

400

300

200

VOLUME CFM

100

70

50
40

30

20

.05

6/01

© 2001
DEFLECTO CORPORATION • P.O. Box 50057 • Indianapolis, IN 46250 • www.deflecto.com
DEFLECTO/Canada Ltd. • St. Catharines, Ontario • Canada L2M 3Y2

Deflecto's policy is one of continual product improvement in design and manufacturing wherever possible,
therefore all specifications and designs are subject to change without notice and without incurring obligations. TF420tps

300

.1

VELOCITY FPM

18"

16"

14"

12"

600

500

400

.2

.3

PRESSURE DROP

(IN. W.G. PER 100 FT.)

.4 .5

.7 1.0 2

700

10"

9"

800

2,000

8"

900

7"

1,000

4,000

3,000

6"

5"

INCHES TO DUCT DIAMETER

A

(diameter)

Model No. diameter length

TF420 4"dia. 20 ft.
TF620 6"dia. 20 ft.

4 5710

3