SAE Counter Flanges come in two pressure classes specifically. The standard series, which goes to 3,000 psi. And the high-pressure series, where all the sizes are rated at 6,000 psi. Available in Stainless Steel AISI 316L material.
Seals for 3000-6000 psi flange manufactured from a high performance grade of Polyurethane. Wide temperature range up to 200°C and maximum working pressure up to 350 Bar.