Testing and qualification protocols for API 6A wellhead seals include hydrostatic shell testing, low-pressure seat testing, high-pressure closure testing, and temperature cycle testing validating performance under simulated service conditions. Shell tests pressurize the body to 1.5 times working pressure verifying structural integrity and body seal effectiveness. Seat tests confirm se... https://globalsealstech.com/product-category/oil-gas-seals/api-6a-wellhead-equipment-seals/