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Air Release&Vacuum Breaker(Air/Vacuum)Valve
Combination Air Release&Vacuum Breaker(Air/Vacuum)Valve
Air Release Valves
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Vacuum Breaker Valve
Surge Relief Valves
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Crankcase Explosion Relief Valve
High Velocity P/V Valve
Flame Arrestor
Breather Valve
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Explosion Proof IN-Line Flame Arrestor


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Flame arrestor Benefits

- Meet the la test international rule requirement of API 2000 and EN 12874

- Protection against explostion and deflagration flame

- High flow capacity and minimum pressure loss

- Available bi-directional flow and flame passage

- Available vertical and horizontal installation

- Very easy maintenance for quick cleaning

- High performance chemical resistance material

 
General

The flame arrester is designed to prevent flame transmission when flammable gas/air- or vapor/air-mixtures are present.
The model FA in-line flame arrester is designed, manufactured and tested according to API 2000 and EN 12874.
Body material of arrester is available for nodular cast iron, cast steel, stainless steel grade 304, 316, 316L and special alloy steel for chemical resistance.
The material of element is available for stainless steel grade 316L or special alloy steel for chemical resistance.
The flame element is constructed with crimped ribbon metal.




Specification of gas/air-mixtures for deflagration and detonation tests(EN12874:2001)


Range of Application (Marking) Requirement for test mixture
Explosion group MESG of mixture (mm) Gas type Gas in air by volume(%)
IIA > 0.90 Propane 4.2 ± 0.2
IIB1 ≥0.85 Ethylene 5.0 ± 0.1
IIB2 ≥0.75 5.5 ± 0.1
IIB3 ≥0.65 6.5 ± 0.5
IIB ≥0.50 Hydorgen 45.0 ± 0.5
IIC < 0.50 Hydorgen 28.5.2 ± 2.0
MESG : Maximum Experimental Safe Gap
Introduction

This valve is also designed for devices to prevent the passage of flame into cargo tanks in tankers and to relieve excessive over pressure or under vacuum of cargo tanks during cargo loading, discharging, ballasting and thermal variations.



Flame arrestor
Dimension Table

TYPE FA-1 FA-1
1/2
FA-2 FA-3 FA-4 FA-5 FA-6 FA-8 FA-10 FA-12 FA-14 FA-16 FA-18 FA-20 FA-22 FA-24
SIZE 25A 40A 50A 80A 25A 40A 50A 80A 25A 40A 50A 80A 25A 40A 50A 80A
N.D 25 40 50 80 100 125 150 200 250 300 350 400 450 500 250 250
ØD 155 210 220 250 280 340 380 455 605 680 950 1150 1150 1300 1300 1500
L 225 230 230 250 260 290 320 340 365 450 650 720 720 850 850 1000
W.T(kg) 25A 14 16 20 27 36 46 85 125 150 180 220 270 280 330 340
Materials of Construction

NO DESCRIPTION SPEC.1 SPEC.2 SPEC.3
1 BODY Carbon Steel Stainless Steel 304 Stainless Steel 316/316L
2 ELEMENT RING Stainless Steel 304 Stainless Steel 304 Stainless Steel 316/316L
3 ELEMENT Stainless Steel 304 Stainless Steel 304 Stainless Steel 316/316L
4 BOLT/NUT Stainless Steel 304 Stainless Steel 304 Stainless Steel 316
* Other material is available on special request by customers