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SEWON Q&TECH
PRESSURE AND VACUUM RELIEF VALVE RELIEF VALVE WITH FLAME ARRESTER
Model
SBB+SFH
Series
P/V Relief Valve with Flame Arrester
Product Description
NOMINAL SIZE
- 2", 3", 4", 6", 8", 10", and 12"
CONNECTIONS
- ANSI/ASME B16.5 Class 150 Flange
- KS/JIS 10K Flange
Protect storage tank from overpressure or excessive vacuum, and potential ignition source Weight loaded for pressure and vacuum venting Designed easy periodic inspection and maintenance Air-cushion pallet reduces the internal vapor leakage
TEFLON seat diaphragms are standard to minimize sticking caused by resinous vapors and atmospheric moisture Crimped ribbon flame elements Drilling conforming to ANSI/ASME B16.5 for class 150 flanges, or KS/JIS 10K flanges.
Other standards are available on customer's request
▶ Consult our factory for special application or special design.
Specifications
| Installation | Vertical |
|---|---|
| Model SBF+SFH Model SBB+SFH | End-of-line, vented to the atmosphere directly In-line, a flanged side connection is provided For pipe away of vapors |
| Flame arrester classification | Deflagration flame arrester, Bi-directional |
| Set pressure / Set vacuum | 20mmH2O to 700mmH2O(H2O specification) |
| Explosion gas group | IIA(standard), IIB/IIC(for special application) |
▶ Other specifications are available. consult our factory
Materials
| PART NAME | MATERIALS STANDARD | MATERIALS OPTIONAL |
|---|---|---|
| Body | Carbon Steel, 304 S.S, 316 S.S, Aluminum | Hastelloy, Alloy 20, Monel, Inconel |
| Flame Element | 304 S.S, 316 S.S | Hastelloy, Alloy 20, Monel, Inconel |
| Element Housing | 304 S.S, 316 S.S | Hastelloy, Alloy 20, Monel, Inconel |
| Stud Bolt and Nut | C.S, 304 S.S | 316 S.S |
| Pallet | 304 S.S, 316 S.S | Hastelloy, Alloy 20 |
| Seat | 304 S.S, 316 S.S, Aluminum | Hastelloy, Alloy 20 |
| Seating Diaphragm | FEP TEFLON (Weight loaded type) VITON O-ring (spring loaded type) | Metal to metal, Viton |
| Hood(Model SBF) | 304 S.S, Aluminum | 316 S.S |
▶ Other special materials such as Hastelloy B/C are available upon customer`s request.
Product List
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
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
Emergency Vent Cover
EMERGENCY VENT COVER
SEA
EMERGENCY VENT COVER
SEB
EMERGENCY VENT COVER
SEAS
EMERGENCY VENT COVER
SEVH
EMERGENCY VENT COVER
SEV
Gauge Hatch
Inert Gas Blanketing Device
Sampling Device
Others
Special Product
