Metallic Expansion Joints - Thorburn Flex Inc

THORBURN
FLEXIBLE PIPING SPECIALIST
DUCTFLEX
SINGLE RECTANGULAR METALLIC BELLOWS EXPANSION JOINT PRODUCT SPECIFICATIONS
CC - COLLAR BELLOWS WW - WELD ENDS FF - FLANGED ENDS
E
N
D
S
L
O.A.L.
L
O.A.L.
37.5°
L
O.A.L.
Series Number Axial Spring Bellows Overall Length (in.) Appr. Weight (lbs/Perimeter ft)
Convolutions of Move- Rate Length
Pressure Cons. ment (L) CC WW FF CC WW FF
inches lbs/in/in inches
Perimeter
SFRU
"U" Shape
2-1/2" high x 2" pitch
± 400" H 2
O
SFRV2
"V" Shape
5" high x 2" pitch
± 100" H 2
O
SFRV3
"V" Shape
7" high x 2.5" pitch
± 100" H 2
O
1 0.75 35 2.0 6.0 8.0 8.0 4.5 6.5 15.5
2 1.50 18 4.0 8.0 10.0 10.0 5.5 7.5 16.5
3 2.25 12 6.0 10.0 12.0 12.0 6.5 8.5 17.5
4 3.00 9 7.0 12.0 14.0 14.0 7.5 9.5 18.5
5 3.75 7 10.0 14.0 16.0 16.0 8.5 10.5 19.5
1 1.25 8.0 2.0 6.0 8.0 8.0 5.0 7.0 16.0
2 2.50 4.0 4.0 8.0 10.0 10.0 6.5 8.5 17.5
3 3.75 2.6 6.0 10.0 12.0 12.0 8.0 10.0 19.0
4 5.00 2.0 8.0 12.0 14.0 14.0 9.5 11.5 20.5
5 6.25 1.6 10.0 14.0 16.0 16.0 11.0 13.0 22.0
1 1.75 3.5 2.5 6.5 8.5 8.5 5.5 7.5 16.5
2 3.50 1.8 5.0 9.0 11.0 11.0 7.5 9.5 18.5
3 5.25 1.2 7.5 10.5 13.5 13.5 9.5 11.5 20.5
4 7.00 0.9 10.0 14.0 16.0 16.0 11.5 13.5 22.5
5 8.75 0.7 12.5 16.5 18.5 18.5 13.5 15.5 24.5
HOW TO ORDER THORBURN METAL RECTANGULAR DUCTFLEX EXPANSION JOINT SYSTEMS
SINGLE FLEX AND DUAL-FLEX SERIES
EXPLANATION
Inside Series Ends Temp. Design Con. Number Installed Material Overall
Duct in. ºF Pressure Height of cons. position Bellows Liner Cover End Length
dim. DFRV CC Positive/ inches
SFRU WW Negative H=Horiz. F/F
FF (in. H 2
O) V=Vertic.
PART NUMBER EXAMPLES
60 x 96 DFRV FF 900 15/30 6 3+3 H B5 L5 C5 E0 22
36 x 48 SFRU WW 800 80/10 3 4 V B5 L5 C5 E0 14
Note:
1) For metric dimensions, insert suffix metric code where applicable (i.e. MM = millimeters, C = degrees Celcius).
2) For material codes, please see page 12 for details
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