Stainless steel beer bunging valve, beer spunding valve, for bright beer tank carbonation. DN32 tri clamp ends, 0-2.2 bar adjustable. With pressure gauge, tri clamp gauge, thread gauge Kosun bunging pressure regulator bunging valve are used in brewery industry Adjustable bunging pressure device allow brewer to calibrate from 0.2 bar to 2.2 bar to obtain desired beer carbonation. PSI engraved is acceptable. Materials * Body Materials: SS-304 or SS-316L * Glass Cylinder : Organic Glass Standard Design * Available in size: 1",1 1/4", 1 1/2" Or DN25, DN32, DN40 * Connection for Pressure Gauge: SS304/SS316L * Pressure Gauge: SS304 * Spring Mat: SS304 * O-Ring: EPDM