Welch Wob-L 2561
High-performance pump with 2.3 CFM flow and 5 Torr vacuum—designed for vacuum ovens, gas sampling, and water vapor applications.
Effective for standard duty applications, not strongly acidic, basic or organic vapors
Lightweight, compact piston pump
Comes with inlet liquid trap, vacuum regulator, water trap and muffler
Oil-free operation for reduced maintenance
High water vapor tolerance
Wired for 115V 60Hz
| Free air displacement @60Hz | 2.3 cfm (65 L/min) |
|---|---|
| Ultimate pressure | 5 Torr (6.7 mbar) |
Frequently Asked Questions
How do I get pricing for 2561B-50?
KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the 2561B-50?
2561B-50 is a Welch Pumps part. KKM Solutions sources Welch Pumps components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
What are the key specifications of 2561B-50?
Key specifications include Free air displacement @60Hz: 2.3 cfm (65 L/min); Ultimate pressure: 5 Torr (6.7 mbar). The full specification table on this page lists every published attribute for this part.
How quickly can 2561B-50 ship?
In-stock items are dispatched the same business day for orders placed by 3 PM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.
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