Drain Valve Assembly
AssemblyAutomatic drain mechanism that opens when the hydrant is shut off so residual water empties from the barrel and cannot freeze. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Drain Valve Assembly
4 top-level lines as of r63340| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Drain Valve Body | fire-hydrant-drain-valve-body | 1× | 1 | · | part |
| 2 | Drain Seat Ring | fire-hydrant-drain-seat | 1× | 1 | · | part |
| 3 | Coil Spring | coil-spring | 1× | 1 | · | part |
| 4 | O-Ring Set | oring-set | 1× | 1 | · | part |