Tipvalve designs and manufactures various types of API 6A valves suitable for the demanding environments of onshore and offshore drilling and production such as wellhead and Christmas tree. including large-bore completions; pressure and temperature extremes; and heavy oil, sour, and subsea applications. Our API 6A valves are available in an extensive range of designs, materials, sizes and pressure classes and are in full conformance with API and NACE specifications.