Details : Size: 25 NB TO 300 NB. Bend Outer Body ASTM A 234 Gr WPB SCH-40SS 304SS 316. Flange ASTM A 105IS 2062SS 304SS 316. Lining: PFA Resin used for Making PFA Liners is procured from DuPont. ALL MS PFA Lined Elbows are tested as Per ASTM F 1545 Which Includes Visual, Dimensional, Hydro Test at 29.8 Kgcm2 and Spark Test 15 KVA.