Gate valves serve as efficient on-off valves with flow in either direction. In such a design, a wedge slides cross a general passageway in order to control fluid flow (like a sliding gate – hence, the name). • Bolted Bonnet (from Class 150 up to Class 2500 from 2’’ up to 36’’) Materials:Body: Carbon steel, Stainless steel, Low temperature carbon steel, Duplex, Trim: 316, 410, MONEL • Pressure Seal (from Class 900 up to Class 2500 from 2’’ up to 20’’) Materials :Body: Carbon steel, Stainless steel, Low temperature carbon steel, Duplex, Trim: 316, 410, MONEL