Dry Vacuum Pump The Research Accelerator Division at Oak Ridge National Laboratory is seeking to procure a Pfeiffer PUMP ACP40 CP V2 E GEAR BOX PORT, or a qualified domestic equivalent. Interested off... Dry Vacuum Pump The Research Accelerator Division at Oak Ridge National Laboratory is seeking to procure a Pfeiffer PUMP ACP40 CP V2 E GEAR BOX PORT, or a qualified domestic equivalent. Interested offerors should refer to Attachment C- BOM - PR479321 for detailed specifications.