The Suttner ST-3100 Professional stainless steel guns are a range of medium pressure (60bar), high flow (100lpm) guns designed for use with foam. These are a professional gun with an external progressive valve closing system, which reduces the risk of water hammer in high flow applications. They are designed for use in foam and rinse applications within food processing environments and have impact resistant plastic housings which comply with Regulation (EC) No.1935/2004