The spade and spacer flanges, manufactured in China to ASME B16.48 standards, are made from stainless steel ASTM A350 LF3. They are 12 inches in size (DN300), with a Class 2500 LB rating and PN420 pressure rating. Featuring a ring-type joint (RTJ) facing, these flanges are designed for high-pressure applications, providing reliable performance and secure connections in demanding environments.