| Material Specification | ||||
| NO. | DESCRIPTION | CARBON STEEL | H.T ALLOY STEEL | STAINLESS STEEL |
| 1 | BODY | A105 | A182 F22 | A182 F304/F316 |
| 2 | SEAT RING | A182 F6A | A182 F6A | A182 F304/F316 |
| 3 | WEDGE | A182 F6A | A182 F6A | A182 F304/F316 |
| 4 | STEM | A182 F6A | A182 F6A | A182 F304/F316 |
| 5 | P. S SEAT | A182 F6A | A182 F6A | A182 F304/F316 |
| 6 | GASKET | SS304 | SS304 | SS304 |
| 7 | BONNET | A105 | A182 F22 | A182 F304/F316 |
| 8 | PACKING | GRAPHITE | GRAPHITE | GRAPHITE |
| 9 | NUT | CARBON STEEL | CARBON STEEL | CARBON STEEL |
| 10 | GLAND | A276 420 | A276 420 | A182 F304/F316 |
| 11 | EYEBOLT | A193 B7 | A193 B16 | A193 B8M |
| 12 | GAG | A194 2H | A194 4 | A194 8M |
| 13 | STUFFING COVER | A105 | A182 F22 | A182 F304/F316 |
| 14 | STEM NUT | A182 F6A | A182 F6A | A182 F6A |
| 15 | HAND WHEEL | ASTM A197 | ASTM A197 | ASTM A197 |
| 16 | H. W. NUT | CARBON STEEL | CARBON STEEL | CARBON STEEL |
