Dover Civacon NV4000 Quick Start Manual Download Page 1

Pressure Vacuum Vent Test Procedure

NV4000, NV4000E, NV4000C

Product Description 

Civacon’s NV4000 Series Pressure Vacuum Vent has a design that reduces part 
count by 45% for easier and quicker maintenance. The NV4000 is installed 
on the bottom of the manlid poppet via a 15/16” hex nut and has been built 
to withstand the extreme shocks, high G-forces, excessive surge forces and 
vibrations that can occur when petroleum products are being transported.

WARRANTY 

All parts and products are thoroughly inspected and tested from the time raw 
material is received at our plant, until the product is completed. We guarantee 
that all products are free from defects in materials and workmanship for a 
period of one year from the date of shipment. Any product that may prove 
defective within said one year period will, at our discretion, be promptly 
repaired, replaced or credit given for future orders. This warranty shall not apply 
to any products which has been altered in any way, which has been repaired by 
any party other than an authorized service representative, or when such a failure 
is due to misuse or condi-tion of use. We shall have no liability for labor costs, 
freight costs or any other costs or charges in excess of the amount of invoice  
for the products. 

THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR 
IMPLIED AND SPECIFICALLY THE WARRANTIES OF MERCHANTABILITY  
AND FITNESS FOR A PARTICULAR PURPOSE. 

WARNING!!  

 

CIVACON

 products should be used in compliance with the applicable federal, 

state and local laws and regulations. Product selection should be based on 
physical specifications and limitations, compatibility with the environment,  
and the material being handled. 

CIVACON MAKES NO WARRANTIES OF 
FITNESS FOR A PARTICULAR PURPOSE. 

TECHNICAL ASSISTANCE  

 

If at any time during the installation a question arises that is not covered in this 

manual or with any other applicable documents feel free to call the Customer 

Service Department or visit our website at 

www.civacon.com. 

In the U.S., call 1-888-526-5657  

In all other countries, call your local agent. 

NOTE:

 All information subject to engineering and/or other changes. All trade names are copyrighted. Patents Pending. ©2018 Civacon. ©2018 Delaware Capital Formation, Inc.  

All Rights Reserved. DOVER and the DOVER logo are registered trademarks of Delaware Capital Formation, Inc., a wholly-owned subsidiary of Dover Corporation.

www.civacon.com

     

9393 Princeton-Glendale Road

     

Hamilton, Ohio, USA 45011

Phone: (800) 422-2525

     

Fax: (800) 421-3297

TB05-20

May 2020 Rev+

Reviews: