Adapter Flange, Nominal Size: 2 inch x 4 inch, Connection Type: Press x BP, Material: Bronze, Pressure Rating: 200 psi, Temperature Rating: 0 - 250 deg F, Number of Bolt Holes: 4, Applications: For Potable Water Systems, Hot and Cold Water Systems, Heating Systems, Gas Systems, Fire Protection Systems and Solar Systems, Standards/Approvals: ABS Approved, ASTM B88, CSA MSE-13, FM 1920, IAPMO PS117, ICC LC 1002, NSF 61-G, UL 213