1 - Body - Bronze - B62
2 - Seat Ring - Bronze - B62 or Stainless Steel - SS304
3 - Disc Ring - Bronze - B62 or Stainless Steel - SS304
4 - Stem - Brass - B124 or Stainless Steel - SS304
Face to face acc. to ANSI B16.10
Flanges acc. to ANSI B16.24 Class 150