Welch Piston 2585Z-50 Vacuum Pump 57 mm Hg Dry Oil-Less 1/3 HP Welch Diaphragm
Welch Piston 2585Z-50 Vacuum Pump 57 mm Hg Dry Oil-Less 1/3 HP Welch Diaphragm
Condition: Used In Clean, Excellent Working Condition
Description
The Welch 2585Z-50 is a high-performance dry (oil-less) piston vacuum pump, designed for laboratory and industrial applications where clean, maintenance-free operation is essential. This model is known for its quiet operation, long life, and no oil contamination risk, making it ideal for processes like filtration, aspiration, and vacuum drying. Proudly made in the USA, this pump is a reliable choice for labs needing moderate vacuum levels without the mess or cost of oil-based systems.
Specifications
| Manufacturer | Welch (Thomas Scientific) |
| Model Number | 2585Z-50 |
| Pump Type | Dry piston / oil-less vacuum pump |
| Ultimate Vacuum | 57 mm Hg (approx. 76 Torr or 7.6 kPa) |
| Free Air Displacement | ~2.0 CFM (Cubic Feet per Minute) |
| Motor Power | ~1/3 HP (varies slightly by sub-model) |
| Voltage | 115V or 230V (check label or model variant) |
| Frequency | 60 Hz |
| Noise Level | Typically ~50 dB(A) – quiet operation |
| Oil-Free Design | Yes |
| Cooling | Air-cooled |
| Weight | ~30 lbs (approx. 13.6 kg) |
| Country of Manufacture | United States (USA) |
| Applications | Lab vacuum, aspiration, filtration, distillation, vacuum ovens, etc. |
Sku: BJBE.E13.1026
All items ship directly from California, USA. We use professional packaging methods to help ensure your equipment arrives safely and securely.
Smaller items are typically shipped via UPS or FedEx. Larger or heavier equipment may require freight shipping services.
For freight deliveries, a business address is preferred. Depending on the shipment size and carrier requirements, customers may need access to a loading dock, forklift, or arrange terminal pickup at the nearest freight facility.
For freight shipments, customers are encouraged to inspect the shipment upon delivery and report any shipping damage immediately to both the carrier and our team.
Please feel free to contact us before purchase if you have any questions regarding shipping requirements or delivery arrangements.
Customer satisfaction is important to us. If you are not fully satisfied with your purchase, please contact us within the return period to request a return authorization.
Returns are accepted for eligible items in the same condition as received. Items must be properly packaged and returned with all included accessories, components, and documentation.
Please note:
- A 30% restocking fee will apply to all non-defective returned items.
- Original shipping and freight charges are non-refundable.
- The buyer is responsible for return shipping costs unless the item arrives damaged or not as described.
- Items that have been altered, damaged by misuse, or improperly installed may not qualify for return.
- Certain items, including custom orders, consumables, and parts-only items, may be non-returnable.
For freight shipments, customers are encouraged to inspect the shipment upon delivery and report any shipping damage immediately to both the carrier and our team.
If you have any questions regarding compatibility, condition, or shipping requirements, we encourage you to contact us before purchasing.