Your Exclusive Source for Custom and Ready-to-Ship
Solutions to Optimize the Capabilities and
Performance of Your Rotationally Molded
Polyethylene Tank

The 2ND STEP is to select the quantity and size of connections required for your tank. Please note that because of how our site functions, if you have multiple tanks of varying diameters, you will want to repeat steps 1 - 3 to select the fittings for each tank diameter.

These heavy duty radiused tank adapters are designed to provide a long term solution to large fitting requirements and include everything necessary for installation. The mounting saddle on these high performance fittings is radiused to match the curvature of your tank, providing for an unmatched sealing capability. Fittings are also available for mounting on flats and curved domes. All fittings can be made for small diameter tanks; just let us know your fitting size and tank diameter.
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Items
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6" Fiberglass Tank Adapters with C276 Hardware and EPDM Gaskets
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8" Fiberglass Tank Adapter with 316SS Hardware and EPDM Gaskets
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10" Fiberglass Tank Adapter with 316SS Hardware and EPDM Gaskets
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12" Fiberglass Tank Adapter with 316SS Hardware and EPDM Gaskets
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14" Fiberglass Tank Adapter with 316SS Hardware and EPDM Gaskets
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Description N/A The 2ND STEP is to select the quantity and size of connections required for your tank. Please note that because of how our site functions, if you have multiple tanks of varying diameters, you will want to repeat steps 1 - 3 to select the fittings for each tank diameter.

These heavy duty radiused tank adapters are designed to provide a long term solution to large fitting requirements and include everything necessary for installation. The mounting saddle on these high performance fittings is radiused to match the curvature of your tank, providing for an unmatched sealing capability. Fittings are also available for mounting on flats and curved domes. All fittings can be made for small diameter tanks; just let us know your fitting size and tank diameter.
Size N/A 6 " N/A 8 " N/A 10 " N/A 12 " N/A 14 "
Tank Diameter N/A
Fitting Location N/A Curved Dome Flat Area Radiused Sidewall
Fitting Material N/A Fiberglass
Hardware Material N/A C276 (Hastelloy)
Gasketing Material N/A EPDM
Fitting Construction N/A Premium grade vinyl ester resin, Nexus and C-Veil + 2 mats to build up 100 mil resin rich corrosion liner, manufactured to conform to PS 15-69 & ASTM D5421
Other Accessories N/A Our customers who purchase Flanged Tank Adapters are also interested in the following accessories:
  • Fiberglass Access Ladders
  • Independent and Tank Mounted Pipe Supports
  • Side Manways
  • Large Mushroom Vents
  • Fume-Tight Manway Covers with Inspection Ports
  • Fume Scrubbers
  • Seismic Restraint Systems and Stamped Calculations
Industrial Standards N/A ASTM D5421 PS 15-69
Notes N/A
  1. Avoid installing fittings on sidewall offsets caused by mold parting lines
  2. Fittings are easily installed using standard cutting and hand tools
  3. Verification of chemical compatibility is the responsibility of the purchaser
  4. If the wall thickness of your tank exceeds 1.75", order our 5" long mounting hardware (shown above) which are suitable for wall thicknesses up to 3", or call/email for a quote for longer Core-Bolts