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SEWON Q&TECH
EMERGENCY VENT COVER
Model
SEVH
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
Applies Hinge mechanism to SEV model Emergency relief equipment for pressure & vacuum relief Pallet assembly closes and reseats when the pressure is reduced
Drilling conforming to API 650, ASME B16.5 for class 150 flanges, or KS/JIS 5K/10K flanges Enable exact re-seating and also can be used as secondary safety device against Breather Valve failure.
▶ Consult our factory for special application.
Specifications
| Installation | Vertical |
|---|---|
| Type | Weight loaded, conventional emergency pressure and vacuum relief vent with hinge mechanism |
| Set pressure | 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
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