Propellant Management Device (Positive Expulsion)
AssemblyFlexible diaphragm or bellows separating liquid propellant from pressurant gas, ensuring complete propellant drain in zero-gravity. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Propellant Management Device (Positive Expulsion)
5 top-level lines as of r149137| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Teflon Elastomer Bladder | spt-bladder-material | 1× | 1 | · | part |
| 2 | Bladder Support Cage | spt-bladder-support-cage | 1× | 1 | · | part |
| 3 | Tank Outlet Dip Tube Adapter | spt-outlet-adapter | 1× | 1 | · | part |
| 4 | PMD Pressurant Isolation Valve | spt-pmd-isolation-valve | 1× | 1 | · | part |
| 5 | Fastener Set | fastener-set | 1× | 1 | · | part |