Inspection identifies surface damage including scratches, gouges, or corrosion requiring repair before seal installation. New seals should be positioned concentrically in grooves before bringing flanges together. Bolts must be tightened following proper sequences and torque specifications, achieving uniform compression around the seal circumference without over-stressing components. https://globalsealstech.com/product-category/oil-gas-seals/api-6a-wellhead-equipment-seals/