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by Killark 

Catalog ID: KB1FA25

KB Series - Aluminum Flame Arrestor - Male/Female - External Thread Size1/2 Inch NPT - Internal Thread Size 1/4 Inch NPT

  • Suitable for Explosionproof and Dust-Ignitionproof environments.
  • Copper-free aluminum.
  • Light Blue Anodized Finish.

The flame arrestor has a 1/2" NPT external thread size and a 1/4" NPT internal thread size.

Product Details


Application The flame arrestor provides a means to connect gas analysis equipment and electro pneumatic devices' pipe or tubing system through the wall of an explosion-proof enclosure.
Color Blue
EU RoHS Indicator Contact Manufacturer
Material Aluminum, Copper Free (less than 4/10 of 1%)
Series KB
Type Flame Arrestor
UPC 783936012674


Dimensions 5 in x 1 in x 10 in
Gross Weight with Packaging 0.25
Height 10 in
Length 5 in
Width 1 in

Certifications and Compliance

ATEX File Number 10ATEX1351U
CSA File Number LR11716
Hazardous Rating(s)
  • Class I, Divisions 1 & 2, Groups B, C, D
  • Class I, Zones 1 & 2, Groups IIC, IIB+H2, IIA
  • Class II, Divisions 1 & 2, Groups E, F, G
  • Class III, Divisions 1 & 2
IECEx File Number 10.0007U
Nema Rating 3, 4, 4X