| English | Select | |
| 한국어 | Select | |
| Русский | Select |
SEWON Q&TECH
PRESSURE AND VACUUM RELIEF VALVE
Model
SBB
Series
P/V Relief Valve
Product Description
NOMINAL SIZE
- 1-1/2", 2", 3", 4", 6", 8", 10", and 12"
CONNECTIONS
- ANSI/ASME B16.5 Class 150 Flange
- KS/JIS 10K Flange
In-line Type Pressure & Vacuum Relief Valve
Drilling conforming to ANSI/ASME B 16.5 for Class 150 Flanges, or KS/JIS 10K Flanges Used in a system that discharges or recovers gas or vapor in a tank through a pipe connected to the outlet side of the valve without being discharged directly to the atmosphere.
This type of in-line type valve is being used more often due to reinforcement of various environmental regulations.
Available in a full range of sizes and configurations FEP TEFLON seat diaphragms are standard to increase reliability and extended service life, and make minimize sticking caused by resinous vapors and atmospheric moisture.
Guided pressure and vacuum pallets assure smooth lift and closure, and suitable materials available for corrosive and extreme temperature
service.
▶ Consult our factory for special application.
Specifications
| Service | Pressure and Vacuum Relief, End-of-line |
|---|---|
| Set pressure & set vacuum, min/max Weight loaded type Spring loaded type | 22mmH²O(0.5oz/sq.in) / 700mmH²O(1psi) 700mmH²O(1psi) / 1.05kg/㎠(15psi) |
| Temperature range(standard) | -45°C~120°C(-1130℉~+248℉) |
Materials
| PART NAME | MATERIALS STANDARD | MATERIALS OPTIONAL |
|---|---|---|
| Body & Cover | Carbon Steel, 304 S.S, 316 S.S, Aluminum | Hastelloy, Alloy 20, FRP, PTFE, ETFE LINED |
| Seat | 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 |
| Pallet Guide | 304 S.S, 316 S.S | 316 S.S |
| Seating Diaphragm | FEP TEFLON (Weight loaded type) VITON O-ring (spring loaded type) | Metal to metal |
▶ Other special materials and special specifications are available upon customer`s request.
Product List
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
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 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
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
