Style 10 and Style 50 swivel joints use different elbow and swivel arrangements to solve different routing needs. Selection depends on required movement, line geometry, connection orientation, pressure rating, and site clearances.
Why swivel style matters
A swivel joint is selected for the path the flowline must follow and the movement the assembly must accommodate. Style is shorthand for an arrangement, but a complete specification also includes size, figure, end orientation, pressure rating, material, and service condition.
Style 10
Style 10 configurations are commonly considered where a compact change in direction and rotational adjustment support the planned line route. Confirm the exact manufacturer arrangement rather than relying on style number alone.
Style 50
Style 50 arrangements provide a different geometry for routing and movement. The best choice is the one that aligns naturally with the equipment layout without creating unintended loading or clearance problems.
Before the equipment leaves the yard
- Lay out the planned route and identify required planes of movement.
- Confirm all union orientations and ratings.
- Inspect swivel movement and current certification status.
- Verify support, restraint, and site-specific operating procedures.
Frequently asked questions
Can I select a swivel joint by style number alone?+
No. Also confirm size, figure, pressure rating, end orientation, material, service environment, and the specific manufacturer’s configuration.
Does a swivel joint remove the need for line support?+
No. Flowlines still require appropriate support, restraint, inspection, and operation under the governing site procedure.