... F42, F46,F48, F50, F52, F56, F60, F65, F70. 2.Stainess Steel: ASTM A182, F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti ... , St45.8/3. Sealing face: 1.Raised Face RF 2. Male and Female MFM 3.Tongue and Groove TG 4 ... 5.Ring Joint RJ Type of connection: 1.Threaded Th 2.weld Neck WN 3. Slip-On SO 4. plate ... Flange BF Name of flange: 1.slip on flange(SF) 2.Welding plate flange,,slip-on plate flange 3.slip—on ...