890ECBGY02S0000000

8900 Series Rev B Manway Emergency Relief Vents; Mates With ASME 150 Flat Face Flange; 24" Size; 304 Stainless Steel Base; FEP Diaphragm; Model 8940 Non-Locking Hinged Pressure And Vacuum Relief Manway; > 1 - 2 Oz/In2 Vacuum Spring Range; Stainless Steel Weight Material