Tewelding Engineers manufactures Single Stage Gas Regulator. Tewelding Engineers is an ISO 9001:2000 awarded company. Tewelding Engineers offers wide ranges of welding and cutting equipment and accessories. Single Stage Gas Regulator can be used with various gases, such as - Oxygen and Acetylene gas and suited for diverse applications, such as - brazing, cutting, heating, welding, beverage plants, calorimetry, etc.