API 6A Gate Valve seals undergo rigorous qualification including aging tests in simulated downhole fluids. This ensures no degradation in mechanical properties over the valve's service life. Bidirectional sealing capability handles reverse pressure scenarios during well control operations. The seals are color-coded for easy identification of material types during inventory management.... https://globalsealstech.com/product-category/oil-gas-seals/api-6a-gate-valve-seals/