Double Studded Adapter (DSA) / Wellhead Adapter Flange

The equipment in the image appears to be a Double Studded Adapter (DSA) / Wellhead Adapter Flange, commonly used in oil & gas wellhead and pressure-control systems. The exact pressure rating and dimensions should be confirmed from the manufacturer's nameplate/datasheet before listing it as a specific model.

Double Studded Adapter (DSA) — Technical Specifications

Specification Typical Options

Equipment Type Double Studded Adapter / Wellhead Adapter

Application Wellhead, BOP and pressure-control systems

Pressure Rating 2,000–20,000 psi, depending on configuration

Nominal Size Typically 7-1/16", 11", 13-5/8" and other API sizes

Flange Connection API 6A flanged connection

Studs High-strength alloy-steel studs and nuts

Body Material Forged alloy steel / carbon steel

Seal Type Ring-type gasket / metal-to-metal sealing

Temperature Class API 6A temperature classes, configuration dependent

Material Class API 6A PSL and material-class options

Service Standard, H₂S / sour-gas service where specified

Bore Available in various through-bore configurations

Manufacturing Standard API 6A / applicable ASME requirements

Inspection Hydrostatic pressure testing, dimensional inspection and NDT as specified

Condition New / refurbished / used

Availability For Sale

Key Technical Features

Heavy-duty forged construction for high-pressure applications.

Provides a secure transition between different wellhead or pressure-control flange configurations.

Multiple stud-and-nut arrangement provides high clamping force.

Designed for reliable pressure containment.

Suitable for integration with wellheads, BOP stacks, casing spools, tubing heads and other pressure-control equipment.

Can be supplied with inspection certificates and pressure-test documentation.

Driscoil Equipment: Available for sale subject to required size, bore, pressure rating, API specification and service condition.