Sewon Q&TECH
Product
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Emergency Vent Cover
For your safety, choose our products.
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
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
Drilling conforming to API 650, ASME B 16.5 for class 150 flanges,
or KS/JIS 5K/10K flanges
Can be used as a secondary safety device against Breather Valve failure
so used to protect the storage tank from danger that may occur.
▶ 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