Civacon is transitioning from the ALVN series to the SVN series of Pressure-Activated Fill Covers. The updated ASVN/SSVN designs focus on reliability and usability providing both Aluminium and Stainless-Steel options. These updated models have been designed to for easy, drop-in replacement of existing ALVN installation.
Existing ALVN products remain covered by their current warranties. For more information, contact Civacon Customer Service at 1-888-526-5657 or your regional sales representative.
| Part Number | Description |
| ALVN601110 | 16" Offset Manhole Cover w/ PV Vent, No Weld Ring |
| ALVN60111C-B | 16" Offset Manhole Cover w/ PV Vent, T196SV (Vapor Vent), 1455-1455 (Probe Housing), No Weld Ring |
| 7700N | 10" Fill Cover w/ PV Vent |
| NV4000 | PV Vent Assembly |
| 4645 | 16" Gasket, Buna-N |
| O-13275 | 16" Clamp Ring |
| 13226 | 10" Gasket, Buna-N |
| 13177 | Retest Fixture w/ 6 PSI Relief Vent |
Civacon's ALVN Pressure-Activated Fill Cover (PAF) is made from high-strength aluminum, providing protection against rust as well as weight reduction. The ALVN Manhole Cover weighs up to 30% less than competitive DOT406 Manhole Covers on the market today.
| Part Number | Description |
| ALVN601110 | 16" Offset Manhole Cover w/ PV Vent, No Weld Ring |
| ALVN60111C-B | 16" Offset Manhole Cover w/ PV Vent, T196SV (Vapor Vent), 1455-1455 (Probe Housing), No Weld Ring |
| 7700N | 10" Fill Cover w/ PV Vent |
| NV4000 | PV Vent Assembly |
| 4645 | 16" Gasket, Buna-N |
| O-13275 | 16" Clamp Ring |
| 13226 | 10" Gasket, Buna-N |
| 13177 | Retest Fixture w/ 6 PSI Relief Vent |
Civacon's ALVN Pressure-Activated Fill Cover (PAF) is made from high-strength aluminum, providing protection against rust as well as weight reduction. The ALVN Manhole Cover weighs up to 30% less than competitive DOT406 Manhole Covers on the market today.
Reach Out to Our Customer Support Team for Prompt Assistance and Answers to Any Questions or Concerns You May Have
Contact Us for Technical Support on Your Projects and Resolving Any Technical Issues You Encounter
Locate a Nearby Distributor for Replacement Parts
Product Information request form to find the right solution
Reach Out to Our Customer Support Team for Prompt Assistance and Answers to Any Questions or Concerns You May Have
Contact Us for Technical Support on Your Projects and Resolving Any Technical Issues You Encounter