API 6D and
API 6A are both standards used for Valves in the oil and gas industry. What is the difference? Why is API 6D more popular?
API 6D is standard or specification for valves in any pipeline, including rigs, platforms, skids and production plants. API 6A is standard or specification for valves used in wellhead and Christmas tree equipment.
In terms of usage, there are many more pipeline valves used as compared to wellhead valves.
In terms of ease of manufacture, pipeline valves are more easily manufactured as compared to wellhead valves.
In terms of pressure rating, the most common rating for API 6D valves are from 150LB to 2500LB, i.e. 150LB, 300LB, 600LB, 800LB, 900LB, 1500LB, and 2500LB. API 6A valves are pressure rated for 2000LB up to 20000LB, i.e. 2000LB, 3000LB, 5000LB, 10000LB, 15000LB, and 20000LB.
Generally, the pressure rating for API 6A valves are higher than API 6D valves.
The Author welcomes comments at valve4oem@gmail.com
Facebook Personal: www.facebook.com/Michael.Valves
API 6D is standard or specification for valves in any pipeline, including rigs, platforms, skids and production plants. API 6A is standard or specification for valves used in wellhead and Christmas tree equipment.
In terms of usage, there are many more pipeline valves used as compared to wellhead valves.
In terms of ease of manufacture, pipeline valves are more easily manufactured as compared to wellhead valves.
In terms of pressure rating, the most common rating for API 6D valves are from 150LB to 2500LB, i.e. 150LB, 300LB, 600LB, 800LB, 900LB, 1500LB, and 2500LB. API 6A valves are pressure rated for 2000LB up to 20000LB, i.e. 2000LB, 3000LB, 5000LB, 10000LB, 15000LB, and 20000LB.
Generally, the pressure rating for API 6A valves are higher than API 6D valves.
The Author welcomes comments at valve4oem@gmail.com
Facebook Page: www.facebook.com/ValvesForOilAndGas
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