Series 6A00 Deflagration Flame Arrestor, Concentric Version, ISO 16852 Certified; 6" Line Size, 12" Element, Explosion Group IIB3; Maximum Operating Pressure: 16 PSI absolute, Maximum Operating Temperature: =< 140F; 1.4571 Stainless Steel Casing And Element Material, 1.4581 Stainless Steel Rim Material; FKM Gasket Material; Housing Material 1.0619 Steel, JIS 2220 10K RF Flanged End Connections, One G-1/2" Port On Each Side Of The Housing; 8.8 Zinc Plated Cap Screw Material; Without Temperature Sensor; Aluminum Name Plate / English Type; Signal Blue (RAL 5005) Surface Coating