GROTH Pressure/ Vacuum Relief Valve & Flame Arrester - 8800A

8800A - Pressure/ Vacuum Relief Valve and Flame Arrester The Groth Model 8800A is a combination of the 1200A Pressure Vacuum Relief Valve and Groth Model 7618 Flame Arrester. The superior Buna-N seating diaphragms are standard on the valve to insure extra tight sealing to prevent sludge vapors escaping. Self draining housing body and drip rings protect seating surface from condensate and freezing. The 1200/ 7618 helps protect your tank from damage created by overpressure or excessive vacuum, at the same time it provides protection from externally caused sources of heat and ignition. The result is reduced emissions level and increased fire protection and safety. Product Features : * Sizes 2" through 12" * Pressure settings 1" W.C. to 15 PSIG * Vacuum settings 1" W.C. to 12 PSIG * Available in aluminum ( type 356) , carbon steel, stainless steel, and other materials * Factory Mutual approved most sizes and materials of flame element * Proven spiral wound, crimped ribbon, flame element * In non-biogas applications, this product is designated 1200/ 7618