Welch Vacuum 2511 WOB-L - Manual (Page 4)

VI. SPECIFICATIONS
Welch Cat. No. 2511B-01 2511C-02 2511C-05 2511C-06
Free Air Displacement,
CFM (L/min)
0.39 (11) 0.32 (9.2) 0.32 (9.2) 0.32 (9.2)
Max. Continuous Pressure
PSIG (Pascal)
10 (10 4 ) 10 (10 4 ) 10 (10 4 ) 10 (10 4 )
Max. Intermittent Pressure
PSIG (Pascal)
33 (3.3 x 10 4 ) 33 (3.3 x 10 4 ) 33 (3.3 x 10 4 ) 33 (3.3 x 10 4 )
Max. Vacuum, InHg (mmHg) 21.3 (219) 21.3 (219) 21.3 (219) 21.3 (219)
Tubing Needed, I.D. in. 1/4 1/4 1/4 1/4
Weight, pounds (kg) 5 (2.3) 5 (2.3) 5 (2.3) 5 (2.3)
Electrical Requirements
115V, 60Hz, 1Ph,
wired with North
American 115V plug
230V, 50Hz, 1Ph,
wired to accept IEC
UK & Schuko cord set
100V, 50/60Hz, 1Ph,
wired with NEMA 1-15
plug
230V, 50Hz, 1Ph,
wired with UK plug
*Note: 1. 60 Hz model comes with CUL listing.
*Note: 2. 50 Hz model provided with CE mark.
*Note: 3. 100V., 50/60 Hz model does not have CUL listing or CE mark.
WARRANTY
This Welch Vacuum product is warranted to be free from defects in material and workmanship. This liability of
Welch Vacuum, Thomas Industries, Inc. under this warranty is limited to servicing adjusting, repairing, or replacing
any unit or component part which in the judgement of Welch Vacuum, Thomas Industries, Inc. has not been
misused, abused, or altered in any way or damaged by ingestion of foreign material causing impaired performance
or rendering it inoperative. Foreign material includes solids, corrosive gases, and recondensed water or solvent
vapor. No other warranties are expressed or implied. The method of executing this warranty; servicing, adjusting,
repairing, or replacing, shall be at the discretion of Welch Vacuum, Thomas Industries, Inc. Vacuum pumps that
have been operating within a vacuum system, or other system, for any period, however short, will be repaired
under this warranty rather than replaced.
The warranty is effective for one year from the date of original purchase when:
1. The warranty card has been completed and returned.
2. The product is returned to the factory or other designated service centers, freight prepaid.
3. The product in our judgement is defective through no action or fault of the user.
If the product has become defective through misuse, abuse, alteration, or ingestion of foreign material, repairs will
be billed regardless of the age of the product. In the event, an estimate of the repair costs will be submitted and
authorization of these charges will be required before the product is repaired and returned.
Welch-Ilmvac
5621 W. Howard Street
Niles, IL 60714
Phone: (847) 676-8800 (Technical Support)
Fax: (847) 677-8606
E-Mail: [email protected]
Web-Page: www.welchvacuum.com
This document contains confi dential and trade secret information which is the property of Welch Vacuum Technology and
receipt or possession does not convey any rights to loan, sell, or otherwise disclose said information, reproduction or use
of said information for any purpose other than that in connection with said information was supplied may not be made
without express written permission of Welch. This document is to be returned to Welch upon request and in all events upon
completion of the purpose for which it is loaned.
Copyright© 2008 Gardner Denver Thomas, Inc.
Welch Vacuum Technology
Welch is a registered trademark of Gardner Denver Thomas, Inc.