คอนซีลวาล์วแบบหัว
( Concealed Valve Upper type )
| Code | Size mm. |
| G8599DB-20.3/4 | D20-3/4 |
| G8599DB-25.3/4 | D25-3/4 |
| G8599DB-32.3/4 | D32-3/4 |
คอนซีลวาล์วแบบหัว
| Code | Size mm. |
| G8599DB-20.3/4 | D20-3/4 |
| G8599DB-25.3/4 | D25-3/4 |
| G8599DB-32.3/4 | D32-3/4 |