Manual Number 925SS-IOM-111120 Rev A
INSTALLATION, OPERATION AND
MAINTENANCE MANUAL
FIGURE 925SS
DUROVENT
™ AIR RELEASE VALVES
FOR SEWAGE & WASTEWATER
TABLE OF CONTENTS
Introduction
….………………………… 2
Description of Operation
.....………… 2
Receiving & Storage
.....……………… 2
Installation .....
.…………………………. 2
Valve Construction
......………………. 3
Preventive Maintenance
....………….. 3
Testing/Trouble Shooting
...…………… 3
Disassembly
....………………………… 3
Assembly
....……………………………. 4
Backflushing Instructions
…………… 4
Order Replacement Parts
…………….. 5
Repair Kits
……………………………… 5
Warranty
.……………………………….. 5
Figure 925SS Drawing/Parts List
….…. 5
234 Clay Avenue
• Mars, PA 16046 USA
Telephone (724) 776-1020
• Fax (724) 776-1254
