Specifications include, but are not limited to: 24" Restrained Flanged Coupling Adaptor, flange Compatible with ANSI Class 125 and 150 bolt Circles / 150 psi minimum Working Pressure Rating, NSF 61 Fusion Bonded Epoxy Coating / Lining, EPDM Gasket (Romac RFCA or Approved Equal). 36" Nominal X 1/8" thick full face gasket for flanged joint, per AWWA C110. EPDM. NSF 61. 36" Bolt and Nut Set, ASTM A307 Grade B, with Heavy Hex Nuts, all in accordance with AWWA C110, for ductile iron flange connection. 36" Nominal Diameter X 29" Lay Length FI X FI Ductile Iron Spool, AWWA C115, 250 psi pressure rating, cement mortar lined inside, Tnemec Pota Pox or approved equal outside coating. 36" Restrained Flanged Dismantling Joint, Class D flanges / 150 psi Working Pressure Rating, NSF 61 Fusion Bonded Epoxy Coating / Lining, EPDM Gasket (Ramac DJ 400 or Approved Equal).