| English | Select | |
| 한국어 | Select | |
| Русский | Select |
SEWON Q&TECH
EMERGENCY VENT COVER
Model
SEV
Series
Emergency Vent Cover
Product Description
NOMINAL SIZE
- 16", 18", 20", and 24"
- Other sizes or specifications are available upon request.
CONNECTIONS
- API 650 Flange drilling(For 20" & 24" only)
- ASME 150Lbs Flange drilling
- KS/JIS 5K Flange drilling
- KS/JIS 10K Flange drilling
Hinged Type Emergency Manhole Cover Vent Enable exact Re-Seating by Hinge Mechanism The design also allows convenient access through the vent for tank inspection and maintenance
Incorporates a vacuum relief, and enables pressure and vacuum relief when emergency condition.
Designed to open the valve and enable to flow external air when excessive vacuum over setting value is generated in the storage tank.
Air-cushion pallet reduces the vapor leakage from storage tank
▶ Consult our factory for special application.
Specifications
| Installation | Vertical |
|---|---|
| Type | Weight loaded, conventional emergency pressure & vacuum relief vent |
| Set pressure / Set vacuum | Maximum 700mmH²O |
Materials
| PART NAME | MATERIALS STANDARD | MATERIALS OPTIONAL |
|---|---|---|
| Body | Carbon Steel, 304 S.S, 316 S.S,Aluminum | Hastelloy, Alloy 20, FRP, PTFE, ETFE LINED |
| Pallet | 304 S.S, 316 S.S | Hastelloy, Alloy 20, FRP, PTFE, ETFE LINED |
| Weight | A36 | 304 S.S |
| Diaphragm/O-ring | Teflon(Diaphragm seal) | NBR, Viton(O-ring seal) |
| Weather Hood | 304 S.S, Aluminum | 316 S.S |
▶ Other special materials are available upon customer`s request.
Basic Ordering Information
1. Model and type
2. Tank Diameter and Height
3. Tank Type
4. Design Pressure of the tank
5. Fluid Handling
6. Size and Connection
7. Material
Product List
Emergency Vent Cover
EMERGENCY VENT COVER
SEA
EMERGENCY VENT COVER
SEB
EMERGENCY VENT COVER
SEAS
EMERGENCY VENT COVER
SEVH
EMERGENCY VENT COVER
SEV
Flame Arrester
FLAME ARRESTER
SFG
FLAME ARRESTER
SFE
FLAME ARRESTER
SFK
FLAME ARRESTER
SFJ
FLAME ARRESTER
STA+SFH
FLAME ARRESTER
STA
FLAME ARRESTER
SFO
FLAME ARRESTER
SFH
FLAME ARRESTER
SFL
FLAME ARRESTER
SFD
FLAME ARRESTER
SFC
P/V Relief Valve
PRESSURE AND VACUUM RELIEF VALVE
SBF
PRESSURE RELIEF VALVE
SBV
PRESSURE RELIEF VALVE
SBG
PRESSURE AND VACUUM RELIEF VALVE
SBB
PRESSURE AND VACUUM RELIEF VALVE
SBFJ
PRESSURE RELIEF VALVE
SBFV
PRESSURE RELIEF VALVE
SBD
P/V Relief Valve with Flame Arrester
PRESSURE AND VACUUM RELIEF VALVE RELIEF VALVE WITH FLAME ARRESTER
SBF+SFG
PRESSURE AND VACUUM RELIEF VALVE RELIEF VALVE WITH FLAME ARRESTER
SBB+SFG
PRESSURE RELIEF VALVE WITH FLAME ARRESTER
SBD+SFG
PRESSURE RELIEF VALVE WITH FLAME ARRESTER
SBG+SFG
PRESSURE AND VACUUM RELIEF VALVE RELIEF VALVE WITH FLAME ARRESTER
SBF+SFH
PRESSURE AND VACUUM RELIEF VALVE RELIEF VALVE WITH FLAME ARRESTER
SBB+SFH
Gauge Hatch
Inert Gas Blanketing Device
Sampling Device
Others
Special Product
