DB Series Nitrogen Generator    DB5-20 Model
SAFETY INFORMATION
Do not operate this equipment until the safety infor-
mation and instructions in this user guide have been 
read and understood by all personnel concerned.
USER RESPONSIBILITY
FAILURE OR IMPROPER SELECTION OR 
IMPROPER USE OF THE PRODUCTS DESCRIBED 
HEREIN OR RELATED ITEMS CAN CAUSE DEATH, 
PERSONAL INJURY AND PROPERTY DAMAGE.
This document, and other information from  
Parker Hannifin Corporation, its subsidiaries or 
authorized distributors, provide product or system 
options for further investigation by users having 
technical expertise.
The user, through its own analysis and testing,  
is solely responsible for making the final selection 
of the system and components and assuring that 
all performance, endurance, maintenance, safety 
and warning requirements of the application are 
met. The user must analyze all aspects of the 
application, follow applicable industry standards, 
and follow the information concerning the product 
in the current product catalogue and in any other 
materials provided from Parker.
To the extent that Parker, its subsidiaries or autho-
rized distributors provide component or system 
options based upon data or specifications provided 
by the user, the user is responsible for determining 
that such data and specifications are suitable and 
sufficient for all applications and reasonably fore-
seeable uses of the components or systems.
This equipment is intended to be operated indoors 
and is designed to produce high purity nitrogen 
gas from a supply of clean dry compressed air.
Please refer to the technical specification  
for pressure, temperature, and compressed  
air requirements.
Only competent personnel trained, qualified,  
and approved by Parker Hannifin should perform 
installation, commissioning, service and  
repair procedures.
Use of the equipment in a manner not specified 
within this user guide may result in an unplanned 
release of pressure, which may cause serious  
personal injury or damage.
When handling, installing or operating this  
equipment, personnel must employ safe engineer-
ing practices and observe all related regulations, 
health & safety procedures, and legal requirements 
for safety.
Ensure that the equipment is depressurized and 
electrically isolated, prior to carrying out any of  
the scheduled maintenance instructions specified 
within this user guide.
Note: Any interference with the calibration warning 
labels will invalidate the gas generator’s warranty 
and may incur costs for the re-calibration of the 
gas generator.
Parker Hannifin cannot anticipate every possible 
circumstance which may represent a potential haz-
ard. The warnings in this manual cover the most 
known potential hazards, but by definition cannot 
be all-inclusive. If the user employs an operating 
procedure, item of equipment or a method of  
working which is not specifically recommended  
by Parker Hannifin the user must ensure that  
the equipment will not be damaged or become 
hazardous to persons or property.
Most accidents that occur during the operation 
and maintenance of machinery are the result of 
failure to observe basic safety rules and proce-
dures. Accidents can be avoided by recognizing 
that any machinery is potentially hazardous.
Should you require any technical support or  
training on this equipment, or any other equipment 
within the Parker Hannifin range, please contact 
Parker Hannifin Corporation.
Factory Contact Information:
Phone: (800) 343-4048
For pricing, availability, and purchase orders: 
IGFGorders@parker.com
For technical support and aftermarket: 
GSFsupport@parker.com
For product applications and technical sales: 
FAFQuotes@parker.com 
iii