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MB gas-sampling flame arrestor
Multilayer wire-mesh element illustrating the flame-arrestor mechanism; not a complete product or exact model.

MB gas-sampling flame arrestor

Type MB is described for gas-analysis and sampling equipment and small-diameter piping. Its protective duty is deflagration and its installation arrangement is in-line / end of line; establish the hazard and mounting position before selection. The listed size range is NPS 1/8–1 1/2. Specify materials, connections, fluid composition, ignition-source distance and permissible pressure drop for this configuration. Qualification for one flame-arrestor duty must not be assumed to cover another hazard or installation arrangement.

Technical specifications

TypeMB
Protection dutyDeflagration
InstallationIn-line / End of line
Size rangeNPS 1/8–1 1/2
ApplicationGas-analysis and sampling equipment and small-diameter piping