Flange size: 1/2"-48" pressure: 150LB-2500LB material: steel guarantee:18 months; OEM offer FlangeSize:1/2"-48"Pressure:150LB-2500LBMaterial: cast steel, stainless steelSTANDARD : ASME B 16.5MATERIAL: CARBON STEEL, STAINLESS STEEL, LOW TEMPERATURE MATERIALCertification:ISO9001:2000,ISO14001,CE0036 ISO9001 CE certified weld neck counter flange