Oil-Free Pump Unit
AssemblyDirect-driven twin-cylinder piston pump compressing air without lubricant, using dry-running polymer piston rings on coated cylinder bores. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Oil-Free Pump Unit parts and their functions
8 top-level parts · 37 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Coated Cylinder | 2× | Coated bore |
| 2 | Dry-Running Piston | 2× | PTFE-ring, dry running |
| 3 | Valve Plate | 2× | Reed valves |
| 4 | Crankcase | 1× | Die-cast housing carrying the crankshaft on sealed grease-for-life bearings, with no oil sump. |
| 5 | Pump Drive Motor 5 parts | 1× | Direct drive |
| 6 | Discharge Cooling Line | 1× | Interstage finned line |
| 7 | Ball Bearing | 2× | Crankshaft, sealed-for-life |
| 8 | Fastener Set | 1× | Bolts, nuts, and washers. |
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Bill of materials for Oil-Free Pump Unit
8 top-level lines · 20 rows shown · 37 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Coated Cylinder | dental-compressor-cylinder | 2× | 2 | · | part |
| 2 | Dry-Running Piston | dental-compressor-piston | 2× | 2 | · | part |
| 3 | Valve Plate | dental-compressor-valve-plate | 2× | 2 | · | part |
| 4 | Crankcase | dental-compressor-crankcase | 1× | 1 | · | part |
| 5 | Pump Drive Motor 5 parts | dental-compressor-pump-motor | 1× | 1 | 26 | assembly |
| 5.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 5.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | · | part |
| 5.1.2 | Copper Winding | copper-winding | 1× | 1 | · | part |
| 5.1.3 | Slot Insulation | stator-insulation | 1× | 1 | · | part |
| 5.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 5.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | · | part |
| 5.2.2 | Rotor Core | rotor-core | 1× | 1 | · | part |
| 5.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | · | part |
| 5.2.4 | Ball Bearing | ball-bearing | 1× | 1 | · | part |
| 5.3 | Motor Housing | motor-housing | 1× | 1 | · | part |
| 5.4 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 5.5 | Cooling Fan Wheel | dental-compressor-fan-wheel | 1× | 1 | · | part |
| 6 | Discharge Cooling Line | dental-compressor-head-cooler | 1× | 1 | · | part |
| 7 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 8 | Fastener Set | fastener-set | 1× | 1 | · | part |
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Where the oil-free pump unit is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $5–$2k. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| kbl.co.in ↗ | Pune, IN | Pumps & fluid systems | 200 units | 6–10 wks |
| leo.com.cn ↗ | Taizhou, CN | Pumps | 200 units | 6–10 wks |
| shaktipumps.com ↗ | Pithampur, IN | Pumps | 200 units | 6–10 wks |
| cnppumps.com ↗ | Hangzhou, CN | Pumps | 200 units | 6–10 wks |
| rotopumps.com ↗ | Noida, IN | Pumps | 200 units | 6–10 wks |