WOB-L® Dry Vacuum Pumps

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Manufactured by: Welch Ilmvac

Category: Vacuum Pumps for Vacuum Filtrations

Welch Ilmvac WOB-L® Dry Vacuum Pumps
Welch Ilmvac WOB-L® Dry Vacuum Pumps
Welch Ilmvac WOB-L® Dry Vacuum Pumps
Welch Ilmvac WOB-L® Dry Vacuum Pumps
Welch Ilmvac WOB-L® Dry Vacuum Pumps
Welch Ilmvac WOB-L® Dry Vacuum Pumps
Welch Ilmvac WOB-L® Dry Vacuum Pumps
Welch Ilmvac WOB-L® Dry Vacuum Pumps
Welch Ilmvac None - Vacuum Pumps for Vacuum Filtrations
Welch Ilmvac None - Vacuum Pumps for Vacuum Filtrations
Welch Ilmvac None - Vacuum Pumps for Vacuum Filtrations
Welch Ilmvac None - Vacuum Pumps for Vacuum Filtrations
Welch Ilmvac None - Vacuum Pumps for Vacuum Filtrations
Welch Ilmvac None - Vacuum Pumps for Vacuum Filtrations
Welch Ilmvac None - Vacuum Pumps for Vacuum Filtrations
Welch Ilmvac None - Vacuum Pumps for Vacuum Filtrations

WOB-L® Dry Vacuum Pumps

The WOB-L® Dry Vacuum Pumps are engineered for reliability and performance, making them an ideal choice for various laboratory vacuum applications. With a vacuum capability of up to 5 Torr (29.8" Hg), these piston pumps are designed for maximum versatility in both dry and aqueous vapor environments. Each pump comes equipped with a vacuum regulator and gauge, enabling straightforward adjustments and monitoring of vacuum levels.

Key Features:

    • Economical: Cost-effective operation without compromising quality.
    • Oil-Free: Designed without oil to prevent contamination.
    • Adjustable Vacuum: Easily customizable vacuum settings to fit your specific needs.
    • Application Versatility: Suitable for use with dry or aqueous vapor applications only.
    • Safety Mechanism: Inlet water trap with float ball seals the pump to protect against accidental water ingestion.
    • Noise Reduction: Muffler included to minimize operational noise and filter discharge air.

Technical Specifications:

SKU Max Vacuum Motor Type Air Displacement Motor Power
2567B-50 27.6 in Hg Dry 4.9 cfm @ 50Hz, 3.5 cfm @ 60Hz 0.7 kW @ 50 Hz, 0.85 kW @ 60Hz
2561B-50 29.8 in Hg Dry 3.0 cfm @ 50Hz, 2.1 cfm @ 60Hz 0.7 kW @ 50 Hz, 0.85 kW @ 60Hz
2585B-50 27.6 in Hg Dry 10 cfm @ 50Hz, 7.1 cfm @ 60Hz 0.7 kW @ 50 Hz, 0.85 kW @ 60Hz
2581B-50 29.8 in Hg Dry 4.9 cfm @ 50Hz, 3.5 cfm @ 60Hz 0.7 kW @ 50 Hz, 0.85 kW @ 60Hz

Applications:

    • 2561B-50: Perfect for vacuum ovens (<2 cu. ft. (57 liters)) and vacuum filtration (up to 6 funnels).
    • 2567B-50: Suitable for vacuum filtration (up to 6 funnels manifold), lab automation (aspiration of systems utilizing 96/256 well formats), and Welchnet lab installations (up to 10 outlet fixtures).
    • 2581B-50: Ideal for vacuum ovens (2 to 4.5 cu. ft. (57 to 127 liters)) and glove box transfer chambers/purge fill cycles (up to 30 cu. ft. (0.84 m3)).
    • 2585B-50: Designed for vacuum filtration (up to 2 six funnel manifolds), lab automation (aspiration of systems utilizing 96/256 well formats), and Welchnet lab installations (up to 20 outlet fixtures).

Additional Information:

SKU Material Dimensions Certification Power Requirement Pump Connections Plug Type Tubing Needed
2567B-50 Cast Aluminum 15 in x 10 in x 10 in cUL, CE 115V, 60Hz, 1 Phase NPT NEMA 5-15 1/4 in (7 mm)
2561B-50 Cast Aluminum 17.3 in x 6.5 in x 10.5 in cUL, CE 115V, 60Hz, 1 Phase NPT NEMA 5-15 1/4 in (7 mm)
2585B-50 Cast Aluminum 17.3 in x 6.5 in x 10.5 in cUL, CE 115V, 60Hz, 1 Phase NPT NEMA 5-15 1/4 in (7 mm)
2581B-50 Cast Aluminum 17.3 in x 6.5 in x 10.5 in cUL, CE 115V, 60Hz, 1 Phase NPT NEMA 5-15 1/4 in (7 mm)

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