Poly Processing Company
Model EPDM -Expansion Joint
Manages / Mitigates / Absorbs Expansion, Deflection, Contraction, Vibration and Shock. Low Spring Rates. 100% EPDM (No separation issues with liners). PVC backing rings (No metal). Self-Cleaning. Should not be attached directly to the tank wall or IMFO. A full face flange must be installed on the tank first.
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Flange assembly materials available include:
- Bolts: 316 stainless steel, titanium, C-276, Alloy 400
- Gaskets: EPDM, Viton® and Viton® GF
- Flange Type: threaded or socketed
- Flange Material: PVC or CPVC
Flexible Connection Minimum Specifications: (For common size fittings and piping systems up to 6″) Contact Poly Processing for information on larger expansion joints.
- Axial Compression ≥ .67"
- Axial Extension ≥ 0.625"
- Lateral Deflection ≥ 0.51
- Angular Deflection ≥ 12°
- Torsional Rotation ≥ 4°