Welch 2522 WOB-L Dry Piston Pressure Vacuum Pump | Oil-Free

BioLabTek eBay Template Vacuum Pumps Welch 2522Z-01 WOB-L Piston Pressure/Vacuum Pump | Oil-Free Oil-free WOB-L piston pump providing both vacuum (up to 110 Torr) and pressure (up to 100 PSI) for common laboratory applications including filtration, aspiration, and desiccation. QC PASS Tested & Working At a glance Manufacturer Welch Model 2522Z-01 Part / Catalog # 2522B-01 / 2522Z-01 Serial # 112100001145 Condition Lightly Used, Excellent What's Included Welch 2522Z-01 WOB-L Piston Pressure/Vacuum Pump Owner's manual Nothing else is included unless shown in the photos Condition & Testing Unit powers on, runs smoothly with no unusual noise or vibration, both vacuum and pressure sides build and hold, regulators adjust freely, all fittings are tight, and the unit is cosmetically clean with only light bench wear. Specifications Pump Type WOB-L Piston Pressure/Vacuum Pump, Oil-Free Dry Free Air Displacement (60Hz) 0.76 CFM (22 L/min) Free Air Displacement (50Hz) 0.66 CFM (19 L/min) Maximum Continuous Pressure 100 PSIG (10ⶠPascal) Maximum Vacuum 25.6 in. Hg (110 Torr) Ultimate Vacuum Pressure 100 Torr (133 mbar) Motor Horsepower 1/8 HP (93W) Voltage 115V Frequency 60 Hz Phase Single Phase (1Ph) Current Draw 3.9A Motor No. M600108C Insulation Class B Thermal Protection Thermally protected with automatic self-resetting cutout Plug Type North American 115V (3-prong grounded) Intake/Exhaust Connection 1/4" NPT hose barb Tubing Required (ID) 1/4 in. Included Accessories Vacuum regulator, vacuum dial gauge, pressure regulator, pressure dial gauge, moisture trap (intake), discharge filter/silencer Wetted Materials Anodized aluminum, stainless steel Lubrication Oil-free; sealed, permanently lubricated bearings Motor Type Totally enclosed fan-cooled (TEFC) Operating Temperature 10°C to 40°C (50°F to 104°F) Weight 11.7 lbs (5.3 kg) Dimensions (L x W x H) 8.1 x 8.8 x 10 in. (206 x 224 x 254 mm) Applications Vacuum filtration, aspiration, vacuum drying, desiccation, degassing, cell culture, glove box, vacuum oven Media Compatibility Atmospheric air and aqueous vapor only; not recommended for acid, base, or organic vapors/gases Specs from manufacturer literature for reference. Verify against your application. Terms & Conditions Payment We accept most payment types and work with your organization's accounting requirements. Contact us if you need a formal quote or to procure with a PO. Shipping Items ship within 1 to 2 business days after cleared payment. We ship via USPS, FedEx, UPS, or freight, to the contiguous USA and worldwide. Worldwide buyers are responsible for customs and duty import charges. Need expedited service or billing to your own FedEx or UPS account? Tell us at purchase. You may arrange your own shipping through your own carrier on request. Return Policy 60-day returns on all products from time of delivery. If anything is not right, contact us first. We want you fully satisfied. Why BioLabTek We power on and function-test, then document what we saw Photos show the exact unit you receive Instruments packed to survive the carrier POs and formal quotes welcome for academic and corporate buyers BioLabTek |  Laboratory Equipment Specialists  |  © 2026 BioLabTek