A professional who repairs defective valves and pipefittings removed from refinery pipelines, following specifications and using handtools and power tools. Responsibilities include:

• Clamps valve gauge in vise.
• Grinds surfaces of valve gauge to specified finish, using portable grinder.
• Cleans valve parts, using electric buffer and solvents.
• Verifies dimensions of valve parts, using calipers.
• Sends parts that require machining to machine shop.
• Orders new parts by catalog number, size, and type.
• Assembles and repacks valves, using handtools.
• Screws valve on testing device and moves handle of hydraulic pump to test valve at specified pressures.
• Tightens bolts to stop leaks, using wrench.
• Removes flanges and pipefittings from pipe, using wrenches and acetylene cutting torch.
• Cleans flanges and fittings, using sandblasting equipment.
• Paints valves and fittings, using spray gun.
• Keeps inventory record of valves, flanges, and pipefittings by size and type.
• May recondition other refinery equipment, such as steam traps, water glasses, tubing, and condenser sections.