PRESSURE AND VACUUM RELIEF VALVE RELIEF VALVE WITH FLAME ARRESTER

Model

SBF+SFG

Series

P/V Relief Valve with Flame Arrester

Product Description

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

Installation	Vertical
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 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)

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

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