Sealey oxyacetylene welding cutting set sealey sga1 this is a complete set of regulators and torches from sealey suitable for oxyacetylene gas welding the set includes single stage gas regulators with two gauges to show bottle pressure and working pressure a 4 5m twin gas hose set with hose check valves to torch and en730 compliant pressure activated flash arrestors to regulators sealey sga1 oxyacetylene welding and cutting set