Face-to-face dimensions of valves should comply with ASME B16.10, ASME BS1873 or ASME API6D. Wall thickness should comply with valve design standards such as API 600, API BS5351 and ASME B16.34.

Welded bonnet valves are a type of valve characterized by their assembled structure, where the valve body and bonnet are permanently joined by welding. This design enhances their strength, prevents ...

The resulting design lengthens the valve stem to match the depth of the block, while the bonnet threads match Lubrizol's. The result is a valve with a proven track record that fits into Lubrizol's ...