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SEWON Q&TECH

Venting Device manufacturer, Fire Arrester, Relief Valve, Emergency vent cover, Gauge Hatch,Inert Gas Blanketing and more
Name

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

InstallationVertical
TypeWeight loaded, conventional emergency pressure and vacuum relief vent with hinge mechanism
Set pressureMaximum 700mmH²O



Materials

PART NAMEMATERIALS STANDARDMATERIALS OPTIONAL
BodyCarbon Steel, 304 S.S, 316 S.S,AluminumHastelloy, Alloy 20, FRP, PTFE, ETFE LINED
Pallet304 S.S, 316 S.SHastelloy, Alloy 20, FRP, PTFE, ETFE LINED
WeightA36304 S.S
Diaphragm/O-ringTeflon(Diaphragm seal)NBR, Viton(O-ring seal)
Weather Hood304 S.S,Aluminum316 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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