Elbow, Application Gas and Fuel Oil, Fitting Side A Connection Type Press-Fit, Fitting Side B Connection Type Press-Fit, Fitting Material Carbon Steel, Fitting Side A Pipe Size 4 in, Fitting Side B Pipe Size 4 in, O-Ring Material HNBR, Specific Fitting Shape 90 Degrees Elbow, Finish/Coating Zinc Nickel-Plated, Maximum Operating Pressure 200 psi, Maximum Operating Temperature 250 Degrees F.