product Image
PRESSURE AND VACUUM RELIEF VALVE RELIEF VALVE WITH FLAME ARRESTER
Model
SBF+SFG
Series
P/V Relief Valve with Flame Arrester
View All
Data
-
About Supplier
provider logo
SEWON Q&TECH

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

Tel
055-323-5894
Manufacturer
SEWON Q&TECH
Brand
-
SKU
120846
Product Name
PRESSURE AND VACUUM RELIEF VALVE RELIEF VALVE WITH FLAME ARRESTER
Model No.
SBF+SFG
Size
-
Weight
-
Product Details

NOMINAL SIZE
- 2", 3", 4", 6", 8", 10", and 12"
- Available Customized Design

CONNECTIONS
- ANSI/ASME B16.5 Class 150 Flange
- KS/JIS 10K Flange


Combination model of Pressure & Vacuum Relief Valve and Flame Arrester.
Installed at end-of-line Protect storage tank from overpressure or excessive vacuum, and potential ignition source 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

▶ Consult our factory for special application or special design.


Specifications

InstallationVertical
Model SBF+SFG
Model SBB+SFG		End-of-line, vented to the atmosphere directly
In-line, a flanged side connection is provided
For pipe away of vapors
Flame arrester classificationDeflagration flame arrester, Bi-directional
Set pressure / Set vacuum20mmH2O to 700mmH2O(H2O specification)
Explosion gas groupIIA(standard), IIB/IIC(for special application)

▶ Other specifications are available. consult our factory


Materials

PART NAMEMATERIALS STANDARDMATERIALS OPTIONAL
BodyCarbon Steel, 304 S.S, 316 S.S, AluminumHastelloy, Alloy 20, Monel, Inconel
Flame Element304 S.S, 316 S.SHastelloy, Alloy 20, Monel, Inconel
Element Housing304 S.S, 316 S.SHastelloy, Alloy 20, Monel, Inconel
Stud Bolt and NutC.S, 304 S.S316 S.S
Pallet304 S.S, 316 S.SHastelloy, Alloy 20
Seat304 S.S, 316 S.S, AluminumHastelloy, Alloy 20
Seating DiaphragmFEP TEFLON (Weight loaded type)
VITON O-ring (spring loaded type)		Metal to metal, Viton
Hood(Model SBF)304 S.S, Aluminum316 S.S
▶ Other special materials such as Hastelloy B/C are available upon customer`s request.




More products
SEWON Q&TECH
Venting Device manufacturer, Fire Arrester, Relief Valve, Emergency vent cover, Gauge Hatch,Inert Gas Blanketing and more
Since incorporated in 1976, SEWON Q & Tech Co., Ltd have developed various type of venting devices & safety devices.Sewon's Pressure & Vacuum Relief Vents and/or Flame Arresters are reliable, and well designed to protect storage tankswhich may increase internal pressure caused by internal or external thermal effects, atmospheric pressure change, controlvalve failure, and exposure of the tank to a fire. SEWON have not only supplied its high quality products to shipbuilding, heavy machinery industries, petrochemical plantsand nuclear power plants but also provided technical solutions to the needs of customer.
komarine
No.1 Korean Marine Industry Online Platform
ⓒ2025 Komarine Inc. All rights reserved.