AVC Threaded Flange Size: 1/2"- 80",DN15-DN2000 Pressure:150LB - 2500LB,PN6-PN100 Materials:A105,304, 316, 304L, 316L AVC Threaded FlangeSize: 1 ... , BS, AWWA, API, MSS, SABS, ASA, GOSTType: Welded Neck, Blind, Threaded, Lap Joint, Socket Weld, SOH, SOP, Slip On (SO) FF ... the best quality products and the most sincere service, AVC Threaded Flange