Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More
  1. Home
  2. Products
  3. Pumps
  4. Vacuum Pumps
  5. 01257114

Welch™ Standard Duty WOB-L™ Piston Vacuum Pump: Model 2581

Catalog No. 01257114
Change view
Click to view available options
Flow Rate:
2.9 L/min.
1 product options available for selection
Product selection table with 1 available options. Use arrow keys to navigate and Enter or Space to select.
Catalog No. Flow Rate
01-257-114 2.9 L/min.
Use arrow keys to navigate between rows. Press Enter or Space to select a product option. 1 options available.
1 options
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.
Catalog No. 01-257-114 Supplier Welch™ Supplier No. 2581C50
Only null left
Add to Cart
Add to Cart
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.

Description

Includes

Convenient gauge read cut, pressure adjustment valve, protective separator jar, Euro (Schuko) plug

For non-chemical applications

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 2581

  • Free air displacement: CFM (L/min) at 60Hz: 3.5 (100); m2/hr at 50Hz: 4.9 (83)
  • Ultimate pressure: 5 torr (6.7mbar)
  • Maximum vacuum in Hg: 29.8
  • Motor: 0.3 hp (250w)

  • 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

Specifications

Horsepower 0.3 hp
Shipping Weight (English) 27.5 lb.
Shipping Weight (Metric) 12.5 kg
Includes Convenient gauge read cut, pressure adjustment valve, protective separator jar, Euro (Schuko) plug
Certifications/Compliance CE
Electrical Requirements 230 V 50 Hz
Model 2581
Weight (English) 24.5 lb.
Weight (Metric) 11.1 kg
Flow Rate 2.9 L/min.
For Use With Vacuum filtration, vacuum oven, vacuum chamber/roughing, desiccation, aspiration, automation, cell culture
Frequency 50 Hz
Overall Height (English) 12 in.
Overall Height (Metric) 30.5 cm
Overall Length (English) 17 in.
Overall Length (Metric) 43.2 cm
Overall Width (English) 7.5 in.
Pump Type Vacuum Pump
Maximum Pressure 6.7 mbar
Voltage 230 V
Show More Show Less
Product Title
Select an issue

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.