Blind flanges are used to seal the end of high pressure openings. They are commonly used for capping the flow of gas or liquid through a combination of oil and gas products. Blind flanges also allow for easy access to the equipment in case work must be done inside the flow.

Flange Crosses and Tees according to the design requirements and face to centerline requirements of API Spec 6A.

A Double Studded Adapter (DSA) is commonly used to connect flanges with different nominal sizes, pressure ratings, and configurations.

Flange Crosses and Tees according to the design requirements and face to centerline requirements of API Spec 6A.

Goat head frac adaptor is the equipment often used on frac tree and frac stack during fracturing work, which is often in studded and flange-end connections, which is often in studded and flange-end connections

Pressure-containing piece of equipment having end connections, used below or between drill-through equipment.

Various sizes and pressure ratings, custom manufacturing available.

Various sizes and pressure ratings, custom manufacturing available.
Weco Flanges are the most complete line of standard and sour-gas service pipe connectors in
the world.

A weld neck flange (also known as a high-hub flange and tapered hub flange) is a type of flange. There are two designs. The regular type is used with pipes. The long type is unsuitable for pipes and is used in process plant.