KNF LABOPORT PU2984-N840.3 Oil-Free Diaphragm Vacuum Pump Used

The KNF LABOPORT PU2984-N840.3 is a heavy-duty, oil-free diaphragm vacuum pump engineered for aggressive laboratory applications. Utilizing KNF's specialized structured diaphragm technology, this dual-head pump delivers reliable, consistent vacuum performance while maintaining exceptional resistance to corrosive chemical and solvent vapors. Because it is completely oil-free, it eliminates the need for messy fluid changes, prevents hydrocarbon back-streaming into sensitive samples, and significantly reduces routine maintenance downtime. This specific configuration includes an integrated 24V solenoid valve, making it ideal for automated vacuum control setups.

Condition Notes

• Condition: Used / Inspected & Power-Verified.
• Functional Status: Visually and mechanically inspected. The unit successfully powers on, as indicated by the illuminated green power switch. The internal cooling fan engages immediately, and the dual pumping heads actuate smoothly without abnormal knocking or stalling.
• Cosmetic Status: Good used condition. The white and black exterior casing shows standard laboratory wear, including minor cosmetic scuffs and surface marks. The blue central linkage cover and structured diaphragm housings remain structurally sound. The top-mounted KNF 24V (5.8 Watt) solenoid valve assembly is fully intact
  
• Serial Number / No.: 1.7414300 (Manufactured 07/2014)

Technical Specifications

• Brand: KNF Neuberger
• Product Line: LABOPORT
• Type/Model: PU2984-N840.3
• Equipment Type: Chemistry-Design Diaphragm Vacuum Pump
• Internal Technology: Structured Diaphragm
• Inlet Port: Head 1 = 3.4 +/- 0.05mm
• Outlet Port: Head 2 = 3.5 +/- 0.05mm
• Integrated Valve: KNF 24V DC / 5.8W Solenoid
• Power Requirements: 115 V | 60 Hz | 3.2 A | 250 W
• Manufacturing Origin: Made in USA (Trenton, NJ)

Included in this Package

• (1) KNF LABOPORT PU2984-N840.3 Vacuum Pump Base Unit
• (1) Attached Power Cord
• (Note: Additional vacuum tubing, solvent catch-pots, and external vacuum controllers are NOT included).

LT964-K21