Series 7A00 Stable Detonation Flame Arrestor, W/O Restriction, Concentric Version, ISO 16852 Certified; 10" END CONNS, 20" ELEMENT, EXPLOSION GROUP IIA; MAX. OPERATING PRESSURE: 16 PSI ABS., MAX. OPERATING TEMPERATURE: =< 140 DEG. F; 1.4571 (SST) CASING, ELEMENT, 1.4581 (SST) RIM MATERIAL; FKM/FEP SEAMLESS COVERED GASKET MATERIAL; HOUSING MATERIAL CARBON STEEL, ASME B16.5 150RF FLANGE CONNECTION,; TWO G-1/2" PORTS ON EACH SIDE OF THE HOUSING; 8.8 ZINC PLATED CAP SCREW MATERIAL; WITHOUT TEMPERATURE SENSOR; ALUMINUM NAME PLATE / ENGLISH TYPE; NO PAINT (CS-ZINC OR SST); SIGNAL BLUE (RAL5005) SURFACE COATING