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FA-I-FC

Flame Arrester Unit

for installation in devices

Function and Description

The PROTEGO® FA-I-FC flame arrester unit is type tested and approved as an integral part of equipment. It consists of a FLAMEFILTER® cage (2) filled with FLAMEFILTER® (1). The FLAMEFILTER® cages are sized so that they can be installed between flange connections. The component provides equipment manufacturers protection against deflagrations, volume deflagrations or protection of engines. Each PROTEGO® flame arrester unit is selected from a modular system that provides each manufacturer the option of using optimized, adapted, and cost-effective protection. Our expert technical staff will assist you with the proper selection of the devices as well as execution of type testing.

The PROTEGO® FA-I-FC flame arrester unit consists of two FLAMEFILTER® installed within the FLAMEFILTER® cage. The FLAMEFILTER® diameter and gap size depend on the intended use. PROTEGO® FA-I-FC components can be arranged for all explosion groups and special gases such as ethylene oxide.

Features and Advantages

  • cost-effective alternative to complete flame arresters with flange connection
  • customized protection for machines and engines
  • available sizes from DN 50 / 2” to DN 2000 / 80”
  • modular design provides optimal flame arrester unit for every application
  • flexible design parameters result in lowest pressure drops
  • modular design enables individual FLAMEFILTER® to be replaced and cleaned
  • modular design reduces spare parts cost
  • worldwide, long-term availability of spare parts
  • needs to be type tested for specific application together with equipment

Dimensions

Dimensions in mm / inches

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Material selection for flame arrester unit

DesignABC
FLAMEFILTER® cageSteelStainless steelHastelloy
GasketPTFEPTFEPTFE
FLAMEFILTER® SetA
A
C
DesignABC
FLAMEFILTER® cageSteelStainless steelHastelloy
GasketPTFEPTFEPTFE
FLAMEFILTER® SetA
A
C

Special materials upon request

Material combinations of flame arrester unit

Design ACD
FLAMEFILTER® *Stainless steelStainless steelHastelloy
SpacersStainless steelStainless steelHastelloy
Design ACD
FLAMEFILTER® *Stainless steelStainless steelHastelloy
SpacersStainless steelStainless steelHastelloy

* the FLAMEFILTER® is also available in the materials Tantalum, Inconel, Copper, etc. when the listed cage materials are used.

Special materials upon request

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Selection of explosion group

FLAMEFILTER® gapMESGExpl. Gr. (IEC / CEN)Gas Group (NEC)
0.9 mm / 0.7 mm> 0.90 mmIIAD
0.5 mm≥ 0.65 mmIIB3C
0.3 mm≥ 0.50 mmIIBC
0.2 mm< 0.50 mmIICB
FLAMEFILTER® gapMESGExpl. Gr. (IEC / CEN)Gas Group (NEC)
0.9 mm / 0.7 mm> 0.90 mmIIAD
0.5 mm≥ 0.65 mmIIB3C
0.3 mm≥ 0.50 mmIIBC
0.2 mm< 0.50 mmIICB

Design Types and Specifications

There is one design:

Basic flame arrester unit design

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Basic flame arrester unit design

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