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Wide Arch Type expansion joint
Wide Arch Type expansion joints are heavyweight and very rugged.  They are generally used in piping (conveying liquids) at pressures over 15 PSIG (up to about 250 PSIG depending on diameter) and temperatures under 300 degrees F.  Available in cylindrical, concentric and eccentric reducers, their purpose is primarily to absorb vibration and thermal movement, protecting pumps and equipment

 

wide arch type expansion joint

Complete with built on
 150lb retaining rings.

  • Molded Wide Arch Design

  • Greater Motion Capability From  Wider Arch

  • Less Force to Compress

  • Standard 150 lb. ANSIB 16.1 Flange Drilling

  • Vacuum 26" Hg.

Size, Movement, Pressure, Weight and Drilling Chart
size ISX Length (in) Bolt Circle Drilling Number of Holes Size of Hosles Press P.S.I.G. Movement Capability Expansion Joint Weight (lbs.)
Axial Deflection
Comp Elong Lateral Angular
2 x 6 4.75 4 .75 250 1-3/4 3/4 3/4 35 9
2-1/2 x 6 5.5 4 .75 250 1-3/4 3/4 3/4 30 10
3 x 6 6.0 4 .75 250 1-3/4 3/4 3/4 30 12
4 x 6 7.5 8 .75 250 1-3/4 3/4 3/4 25 16
5 x 6 8.5 8 .875 250 1-3/4 3/4 3/4 25 20
6 x 6 9.5 8 .875 250 1-3/4 3/4 1 20 21
8 x 6 11.75 8 .875 250 1-3/4 3/4 1 20 30
10 x 8 14.25 12 1.0 250 1-3/4 3/4 1 15 45
12 x 8 17.00 12 1.0 250 1-3/4 3/4 1 15 65

APPLICATIONS for Wide Arch Type expansion joint:

  • Control pipe movements and stress
  • Reduce system noise
  • Isolate mechanical vibration
  • Compensate alignment / offset
  • Eliminate electrolyses
  • Protect against start-up surge force
  • Absorption machine
  • Chiller
  • Cooling towers
  • Compressors
  • Blowers
  • Fan

Available Styles - Materials - Temperatures
Style Number Type of Elastomer Maximum Operating Temp.ºF F.S.A. Material Class

Cover Outside

 Tube Inside
1200CC Butyl Butyl 250º Special II
1200EE EPDM EPDM 250º Special II
1200NN Neoprene Neoprene 230º Std. II
1200BN Neoprene Nitrile 230º Std.II

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