421 Top Bolt® 2 Bolt Coupling System

Description:

• Two bolt, stab fit coupling featuring removable/replaceable inner gaskets to expand range of product and reduce number of SKUs that must be stocked.

Application:

• Joining plain end pipe

Key Features:

• Easy to install — One bolt on each end to tighten
• Removable inner gasket for larger O.D.s
• Bi-directional inner gasket can be reinstalled
• Corrugated armor — reduces friction between gasket and armor, thus allowing better gasket seating; prevents armor from gouging flange finish, thus reducing possible corrosion point
• Wide range – Up to 1.31 inches
• Reduces inventory by having wide range
• Deflection 4° per en
• Lightweight
• Stab insertion of pipe ends
• Corrosion resistant Flexi-Coat® Epoxy Finish
• Epoxy coated 304 Stainless Steel hardware and fluo opolymer coated nuts to reduce galling
• Connectors available for additional corrosion protection using anodes
• Easily disassembled when necessary

Materials Specifications (subject to change):

• SLEEVE: Carbon Steel
• FLANGES: Carbon Steel
• ARMOR: Half hard 304 Stainless Steel
• GASKET: Nitrile (Buna N)
• BOLTS: Type 304 Stainless Steel with Flexi-Coat® Fusion Bonded Epoxy Finish
• NUTS: Heavy hex Type 304 Stainless Steel with fluo opolymer finish to prevent galling
• FINISH: Flexi-Coat® Fusion Bonded Epoxy Finish

Working Pressure:

• Up to 260 PSI

Pipe Applications:

• Steel, PVC, Ductile Iron, Asbestos Cement and Copper tube sizes

Sizes:

• 2, 3, 4, 6, 8, 10, 12 and 10 oversize and 12 oversize