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OWNER’S MANUAL
FOR
SELF-CLEANING DRY VACUUM SYSTEM™
MODELS: 2025, 2026, 2027 & 2028
Gardner Denver Welch Vacuum Technology
7301 North Central Avenue
Skokie, IL 60077
Phone: (847) 676-8800
Fax: (847) 677-8606 (Technical Support)
Fax: (920) 451-4397 (Ordering)
E-Mail: [email protected]
Part No. 67-0790R2.1
Web-Page: www.welchvacuum.com
Printed in USA
For outside of U.S. and Canada, contact your local
Gardner Denver sales office, see back page
Approval Agency’s
WARNING
Be sure to properly identify intake and discharge
before using pump. See Section 2.28.
CAUTION
Do not pump liquids with the pump.
Pumping liquids will cause the pump to stop working.
2025
2027
2028
(9 Torr, 12 mbar)
(2 Torr, 2.7 mbar)
(2 Torr, 2.7 mbar)
2026
(2 Torr, 2.7 mbar)
Improved to better meet your laboratory needs.
- New electronics with an enhanced self-cleaning
feature to help extend diaphragm life
- Superior vacuum level regulator for setting vacuum pressures
- Improved corrosion resistant housing and front panel
- Protective jar cover to help protect inlet and outlet jars
- Enhanced caring handles for better portability
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