Steel frame: ASTM A234 grade WPB, in compliance with ANSI B16.28. Steel tee piece: according to SCH 40. Flange: ASTM A105, in compliance with ANSI B16.5Class 150lbs: JIS 10K or DIN is also available on request. Standard: three fixed anges; three loose anges or one loose and two fixed anges or two loose anges and one fixed anges are on request. Lining: Pure FEP I PFA in compliance with ASTM D4894. Lining: Pure FEP I PFA in compliance with ASTM D4894. Other nominal sizes are available on request.