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rubber flexible joints (Rubber Joint) are ideal in heating and air conditioning systems, where low initial cost and

maximum reliability are a must

rubber expansion joint

 Item No.

 
Name

　TWIN-SPHERE CONNECTION
　 with Floating Flanges
Script  • FLANGES：Carbon steel （CHANGEABLE）
 • WIRE：CARBON STEEL WIRES STRAND
 • ELASTOMER：SPECIAL SYNTHETIC RUBBER
 • REINFORCING FABRIC：SYTHETIC FIBER

rubber expansion jointrubber expansion jointrubber expansion jointrubber expansion jointrubber expansion jointrubber expansion joint

 

　Allowable Movements
 1.Axial Compression 　  2.Axial Elongation 　 3.Transverse Movement 　  4.Angular Deflection
rubber expansion joint rubber expansion joint rubber expansion joint rubber expansion joint


　

  Operation Condition
rubber expansion joint •Operating Pressure
•Burst Pressure
•Vacuum Rating
•Temperature

(1"~12")
16 kg/cm²
60 kg/cm²
650 mm/Hg

(14"~28")
8 kg/cm²
24 kg/cm²

 rubber expansion joint

Root ring must be installed when pressure (Test Surge, Operating) exceeds the rating below:

 
1-1/4"  (  32mm) THRU   4"(100mm) - 150 PSIG

 
rubber expansion jointrubber expansion jointrubber expansion jointrubber expansion joint
5"     (125mm) THRU 10"(250mm) - 135 PSIG

 
12"     (300mm) THRU 14"(350mm) -   90 PSIG

 
16"     (400mm) THRU 24"(600mm) -   45 PSIG

 

Dimension (mm)

Size
(In)		 L DØ FØ Allowable Movements
Axial Trans
Move		 Angular
Deflection
Comp Elong
1-1/2" 175 40 69 50mm 30mm 45mm 35°
2" 175 52 86 50 30 45 35°
2-1/2" 175 68 106 50 30 45 35°
3" 175 76 116 50 30 45 35°
4" 225 103 150 50 35 40 35°
5" 225 128 180 50 35 40 35°
6" 225 152 209 50 35 40 35°
8" 325 194 260 60 35 35 30°
10" 325 250 320 60 35 35 30°
12" 325 300 367 60 35 35 30°
14" 350 320 408 40 30 30 20°
16" 350 372 472 40 30 30 20°
18" 350 415 522 40 30 30 20°
20" 350 454 570 40 30 30 20°
24" 350 580 690 40 30 30 20°

Size
(In)		 L DØ FØ Allowable Movements
Axial Trans
Move		 Angular
Deflection
Comp Elong
1-1/2" 7" 40 69 50mm 30mm 45 35°
2" 7" 52 86 50 30 45 35°
2-1/2" 7" 68 106 50 30 45 35°
3" 7" 76 116 50 35 45 35°
4" 9" 103 150 50 35 40 35°
5" 9" 128 180 50 35 40 30°
6" 9" 152 209 50 35 40 30°
8" 13" 194 260 60 35 35 30°
10" 13" 250 320 60 35 35 30°
12" 13" 300 367 60 35 35 20°


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