Category: API Standards

Contractors perform greatly varied work within the petroleum and petrochemical industries. Some perform construction and turnaround activities or drilling and

This API standard specifies the requirements for a heavy-duty series of bolted bonnet steel globe valves for petroleum refinery and

API St 622:2011 specifies the requirements for comparative testing of valve stem packing for process applications where fugitive emissions are

1.1 This standard specifies the requirements for metal ball valves suitable for petroleum, petrochemical, and industrial applications that have: —

This standard specifies the requirements for corrosion-resistant bolted bonnet gate valves meeting the requirements of Standard Class, ASME B16.34 and

This standard covers design, materials, face-to-face dimensions, pressure-temperature ratings, and examination,inspection, and test requirements for metallic plug valves as follows.

This international standard covers design, material, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for two types of