Louisville Exchanger and Vessel uses the ASME Stamp to manufacture Pressure Vessels in accordance with ASME Section VIII, Division I, code requirements.

The Repair "R" Stamp allows LEV to make Metallic Repairs and/or alterations at our shop and also for field repairs.

Certificate Stamps





LEV is authorized to apply the National Board "NB" Stamp and register boilers, pressure vessels, or other pressure retaining items with the National Board in accordance with its provisions.