... : SO, WN, LWN, SW, Rh, BL, etc ITERMSDESCRIPTIONFlang Typestainless steel pipe flangesSize1/2"-24"Pressureclass150-class2500Seal SurfaceRF, FM/M, T/G ... , FF, RJFeatureGood strength, tightness and stiffness, high temperature and alternating bending resistanceStandardHG20592--HG20625Application Fieldswidely used in many fields, such as papers ...