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Welch™ Standard Duty WOB-L™ Piston Vacuum Pump: Model 2522

For non-chemical applications

Supplier:  Welch™ 2522C02

Catalog No. 01-129-10

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This item is a non-standard voltage; please ensure you are ordering the correct product. Please contact customer service for assistance: 1-800-766-7000.

Includes: Includes convenient gauge read cut, pressure adjustment valve, protective separator jar, Euro (Schuko) plug



Wobbling piston wobbles providing air resistance on upward stroke expanding Teflon seal on piston and increases its efficiency for wobble action.

  • Oil free dry pump powered by WOB-L piston
  • Intake/Exhaust thread NPT: 1/4

Model 2522

  • Free air displacement: CFM (L/min) at 60Hz: 0.76 (22)
  • Ultimate pressure: 100 torr (133mbar)
  • Maximum pressure: 100psig
  • Maximum vacuum in Hg: 26
  • Motor: 0.12 hp (93w)

  • For pumping vapors of aqueous solutions including buffers but not for acidic, basic or organic vapors or gases
  • 50Hz units supplied with CE marking

Vacuum filtration, Vacuum oven, Vacuum chamber/Roughing; Dessication; Aspiration; Automation; Cell culture; Glove box



0.12 hp
6.6 kg
5.3 kg
50 Hz
25.4 cm
20.6 cm
Vacuum Pump
230 V
15 lb.
Convenient gauge read cut, pressure adjustment valve, protective separator jar, Euro (Schuko) plug
230 V 50 Hz
11.7 lb.
Vacuum filtration, vacuum oven, vacuum chamber/roughing, desiccation, aspiration, automation, cell culture
10 in.
8.1 in.
8.8 in.
133 mbar
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