Swivel Joint

SWIVEL JOINT

Driscoil Equipment supplies heavy-duty Swivel Joints engineered to provide reliable directional flexibility and rotational movement in high-pressure piping, flowline and fluid-transfer systems. They are widely used in oil & gas, drilling, well-servicing, fracturing, cementing, coiled tubing and industrial fluid-handling applications.

Detailed Technical Specification

Specification Typical Range / Description

Equipment Type High-Pressure Swivel Joint

Primary Function Provides angular movement and rotation between connected flowline sections

Nominal Size Approximately 1"–6", depending on application

Working Pressure 2,000–20,000 psi, model dependent

Test Pressure Typically 1.5 × rated working pressure, subject to applicable standard

Connection Type Hammer union / flanged / threaded / proprietary

End Connections Male, female, union or flange configurations

Rotation 360° rotational capability, depending on design

Angular Movement Model dependent; typically designed for controlled articulation

Body Material Forged alloy steel / high-strength carbon steel

Wetted Components Alloy steel / stainless or corrosion-resistant materials where required

Sealing System Elastomeric seals / O-rings / mechanical sealing arrangement

Bearing System Heavy-duty roller/ball or engineered bearing arrangement

Operating Temperature Application dependent

Fluid Service Mud, cement slurry, fracturing fluid, crude oil, water and compatible chemicals

Bore Configuration Full-bore or reduced-bore, depending on model

Mounting Inline installation within flowline system

Service Onshore / offshore

Certification API/ISO or project-specific certification available, depending on manufacturer

Note: Exact pressure rating, dimensions, bend radius, bore size and connection configuration must be confirmed from the manufacturer's data sheet and equipment nameplate.

Key Technical Features

High-Pressure Fluid Handling

Designed for applications where fluid must be transferred through a piping system while allowing controlled movement between connected components.

Flexible Flowline Configuration

The swivel allows connected flowline sections to articulate, helping accommodate movement and reduce mechanical stress on rigid piping.

360° Rotation

Many swivel designs permit rotational movement around the flow axis, reducing twisting of connected hoses or flowlines.

Heavy-Duty Construction

Forged and heat-treated alloy-steel construction can provide high mechanical strength for demanding oilfield service.

Replaceable Sealing Components

Depending on design, seals and internal components can be replaced during scheduled maintenance.

Typical Applications

Oil & Gas Drilling

High-pressure flowlines

Mud circulation systems

Choke and kill systems

Cementing operations

Well-control equipment

Well Servicing

Fracturing operations

Acidizing

Stimulation

Well testing

Pressure pumping

Offshore Operations

Flexible flowline connections

Marine drilling systems

Mud-transfer systems

High-pressure fluid lines

Industrial Applications

High-pressure water systems

Chemical-transfer lines

Slurry handling

Hydraulic systems

Advantages

High-pressure capability

Allows controlled pipe articulation

Reduces stress on rigid flowline connections

Helps accommodate equipment movement

Multiple connection configurations

Heavy-duty alloy-steel construction

Suitable for demanding oilfield environments

Available in different bore sizes and pressure classes

Recommended Selection Information

For correct swivel-joint selection, specify:

Nominal bore size

Working pressure

Required connection type

Fluid being handled

Fluid temperature

Required rotation/articulation

Working environment

Material requirements

Sour-service requirement, if applicable

Applicable API/ISO/project specification