Demech from the year 1969, manufactures various types of engineering products. Being a part of that demech double cone valves are designed specifically for long life in handling. The wide selection of available actuators and control components allow easy integration with any degree of automation. A choice of mild steel, 400 hardox, 500 hardox and stainless steel materials gives you the option of selecting material of construction to suit your particular needs. Double cone valves are very durable.