ASVN Petroleum Manhole Cover
The ASVN Petroleum Manhole Cover Offers the Security, Access and Safety for Real-World Use
The Civacon ALVN Pressure-Activated Fill Cover (PAF) is made from high-strength steel, providing protection against rust as well as weight reduction. Civacon’s ASVN Manhole Cover replaces the previous ALVN series, bringing enhanced reliability and usability into the field.
The 10" PAF is factory set to open at 3.63 psig, and features easy set pressure adjustability without the worry of compromising emergency venting capacity.
Features & Benefits
- Direct replacement for ALVN series
- Pressure relief setting 3.63 psig
- Easy set-pressure adjustability
- Rated emergency venting capacity of 500,000 scfh at 6.25 psig
- Includes (1) Pressure/Vacuum Normal Vent. Accommodation for a second Normal Vent is available as an option
- Lightweight at 14.8 lbs. Retrofits to existing weld rings
- Reversible PAF opening (hinge) direction
- Standard secondary latch
- Buna-N gaskets are standard – optional materials are available upon request
- Offset cover includes holes for the Vapor Vent and Overfill Sensor, plus a ¼-inch NPT port for a plug
Specifications
- Product Part Numbers: ASVN or SSVN
- Materials:
- PAF – Aluminum
- Cover – Aluminum (ASVN) or Steel (SSVN)
- Dimensions: 16" or 20" Cover and 10" Fill Opening
- Weight: 14.8 lbs. (6.7 kg)
- Temperature Range: Operating Temperature 40°F (-40°C) to 160°F (70°C)
Part Numbers and Drawings
| Part Number | Description |
| 6006 | 16” Standard Cover Assembly (other configurations available) |
| 6156 | 20” Standard Cover Assembly (other configurations available) |
| 6600N | 10" Fill Cover w/ PV Vent |
| NV4000 | PV Vent Assembly |
| 4645 | 16" Gasket, Buna-N |
| O-3271 | 16" Clamp Ring |
| O-3250 | 20" Clamp Ring |
| 12022 | 10" Gasket, Buna-N |
| 5800 | Retest Fixture |
Downloads
-
SSVN / ASVN Manhole Cover IOM
-
SS Series 16" & 20" Manhole Installation Maintenance Manual
-
Petroleum Manhole Cover
Features & Benefits
- Direct replacement for ALVN series
- Pressure relief setting 3.63 psig
- Easy set-pressure adjustability
- Rated emergency venting capacity of 500,000 scfh at 6.25 psig
- Includes (1) Pressure/Vacuum Normal Vent. Accommodation for a second Normal Vent is available as an option
- Lightweight at 14.8 lbs. Retrofits to existing weld rings
- Reversible PAF opening (hinge) direction
- Standard secondary latch
- Buna-N gaskets are standard – optional materials are available upon request
- Offset cover includes holes for the Vapor Vent and Overfill Sensor, plus a ¼-inch NPT port for a plug
Specifications
- Product Part Numbers: ASVN or SSVN
- Materials:
- PAF – Aluminum
- Cover – Aluminum (ASVN) or Steel (SSVN)
- Dimensions: 16" or 20" Cover and 10" Fill Opening
- Weight: 14.8 lbs. (6.7 kg)
- Temperature Range: Operating Temperature 40°F (-40°C) to 160°F (70°C)
Part Numbers and Drawings
| Part Number | Description |
| 6006 | 16” Standard Cover Assembly (other configurations available) |
| 6156 | 20” Standard Cover Assembly (other configurations available) |
| 6600N | 10" Fill Cover w/ PV Vent |
| NV4000 | PV Vent Assembly |
| 4645 | 16" Gasket, Buna-N |
| O-3271 | 16" Clamp Ring |
| O-3250 | 20" Clamp Ring |
| 12022 | 10" Gasket, Buna-N |
| 5800 | Retest Fixture |
Downloads
-
SSVN / ASVN Manhole Cover IOM
-
SS Series 16" & 20" Manhole Installation Maintenance Manual
-
Petroleum Manhole Cover
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