Threaded Bolt Holes

Rubberexpansionjoint.com SA style molded rubber expansion joints are designed to absorb movements and stress on piping systems, compensate for pipe misalignment, reduce vibration and system noise. They also protect against start-up forces as well as system surges. All SA style joints come standard with ANSI 150# solid floating metallic flanges. The design of the SA style does not contain any metallic reinforcement in the carcass of the bellows. Instead the carcass has a minimum of four layers of high tensile synthetic fabric. Each layer is impregnated with a rubber or synthetic compound. This allows movement and flexibility between the layers of fabric. The SA style design has a long radius arch allowing for self cleaning and thus eliminating the need for a filled arch. The sa style is the most economic choice when it comes to rubber expansion joints. The SA is available on request to meet the requirements of the U.S.C.G.
SINGLE ARCH (SA)
Diminsions Movement Distance Operating Condition Weight (LBS)
Pipe Size O'all Length Flange OD Bolt Circle Flange Thickness No. of Bolt Holes Bolt Hole Size Threaded Hole Size Axial Compression Axial Extension Lateral Deflection Angular Deflection Max w.p. (psi)-3,-4 Max Vacuum (in. of Hg)-5 Exp. Joint + Flanges Control Unit (2 Rod)-1,-2
1" 6" 4 1/4" 3 1/8" 0.55" 4 5/8" 1/2"-13 1/2" 3/8" ±1/2" 37° 225 26 3.75 5.50
1 1/4" 6" 4 5/8" 3 1/2" 0.55" 4 5/8" 1/2"-13 1/2" 3/8" ±1/2" 31° 225 26 4.75 5.50
1 1/2" 6" 5" 3 7/8" 0.55" 4 5/8" 1/2"-13 1/2" 3/8" ±1/2" 27° 225 26 5.75 5.50
2" 6" 6" 4 3/4" 0.63" 4 3/4" 5/8"-11 1/2" 3/8" ±1/2" 20° 225 26 8.25 6.75
2 1/2" 6" 7" 5 1/2" 0.71" 4 3/4" 5/8"-11 1/2" 3/8" ±1/2" 17° 225 26 10.25 7.50
3" 6" 7 1/2" 6" 0.71" 4 3/4" 5/8"-11 1/2" 3/8" ±1/2" 14° 225 26 13.50 7.75
4" 6" 9" 7 1/2" 0.71" 8 3/4" 5/8"-11 3/4" 1/2" ±1/2" 14° 225 26 17.75 7.00
5" 6" 10" 8 1/2" 0.79" 8 7/8" 3/4"-10 3/4" 1/2" ±1/2" 11° 225 26 21.25 7.50
6" 6" 11" 9 1/2" 0.87" 8 7/8" 3/4"-10 3/4" 1/2" ±1/2" 225 26 24.75 8.50
8" 6" 13 1/2" 11 3/4" 0.87" 8 7/8" 3/4"-10 3/4" 1/2" ±1/2" 225 26 38.00 11.25
10" 8" 16" 14 1/4" 0.95" 12 1" 7/8"-9 1" 5/8" ±3/4" 225 26 57.00 24.50-1
12" 8" 19" 17" 0.95" 12 1" 7/8"-9 1" 5/8" ±3/4" 225 26 80.00 26.00-1
14" 8" 21" 18 3/4" 1.02" 12 1 1/8" 1" -8 1" 5/8" ±3/4" 150 26 104.00 31.00-1
16" 8" 23 1/2" 21 1/4" 1.10" 16 1 1/8" 1" -8 1" 5/8" ±3/4" 150 26 129.00 38.50-2
18" 8" 25" 22 3/4" 1.18" 16 1 1/4" 1 1/8" -7 1" 5/8" ±3/4" 150 26 137.00 41.00-2
20" 8" 27 1/2" 25" 1.18" 20 1 1/4" 1 1/8" -7 1" 5/8" ±3/4" 150 26 167.00 41.75-2
24" 10" 32" 29 1/2" 1.18" 20 1 3/8" 1 1/4" -7 1" 5/8" ±3/4" 150 26 194.00 58.75-2

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