Swept Outlet Fittings: Sweepolets

SWEEPOLETS FORGED STEEL PIPE FITTINGS strongest solution for branch connections in industry pipe systems
  • Swept flange inserted branch fitting
  • Highest strength
  • Reduced stress & smoothest fluid flows

Sweepolets are an integrally self-reinforcing, forged steel branching outlet for nuclear, gas, oil, power generation and petrochemical plants. It is an alternative to a reduced tee and standard weldolets used in industrial pipe systems for a 90° branch connection. It has become widely used in recent years for connecting reinforced fittings. Because of their many benefits, sweepolets are often used in industrial pipeworks, nuclear pipes and fluid flow environments where high pressures and extreme temperatures demand minimal interruption or disturbance to fluid flow and correspondingly reduce stress on the welded junctions between main pipe run and the branch outlet. Their design allows them to get the best possible distribution of forces on the pipe junctions and welds and pressure in the pipe.

Available as Deltinox Stainless & Delcorte Carbon Steel Forged Socket Weld Pipe Fittings


Sweepolets are contoured, integrally reinforced, butt-welded branch connections with a low stress intensification factor to give a long fatigue life. They are specified by two dimensions, namely the dimension of the branch connection of the pipe and the dimensions of the main run pipe. These dimensions are according to standard specifications, whether imperial or metric (inch or mm). A sweepolet is the toughest in-line welded joint method for branch connections to major pipe runs. We offer sweepolets manufactured to fit specific needs. Typical applications include the following:

  • Processing plant for sulphuric, phosphoric and acetic acids
  • Pulp and paper processing
  • Components in gas scrubbing plants
  • Seawater cooling equipment
  • Oil refinery components

Sweepolet are used for branching connections as an alternative to surface mounted weldolets, sockolet and threadolets to create 90° branch connections from a main pipe run. Sweepolets are an excellent alternative to weldolets or reduced tees, because they are directly welded into the wall of the main pipe run, dispersing stresses and enhancing fluid flow characteristics more effectively than an externally fixed weldolet. Assembly time for sweepolet branches is substantially shorter than needed for reduced tees as only a single borehole in the pipe wall is needed. Sweepolets are just one of the Delcorte and Deltinox family of olet fittings suitable for the vast majority of high temperature and pressure industrial pipeworks needed in the processing and extraction of petrochemicals and the safe management of nuclear industry fluid flow.

Midland Fittings Ltd supplies sweepolets in all forms and size ranges used in various industries. Our sweepolets come in standard and special materials at the most attractive prices. Each item is manufactured and packaged to meet each of our client’s highly specialised requirements. Our selection consists of:

DELTINOX range of High Pressure Forged Stainless Steel Sweepolet Fittings are manufactured to strict specifications backed up by regular quality checks.

ASTM A182 F5/F9/F11/F22/F304L/316L/321/ Applies to our range of MONEL/DUPLEX & SUPER DUPLEX stainless steel components.

Dimensions to ASME B16.11 & BS3799 Size Range: 1/8” to 4”

Pressure Rating: 3000/6000/9000/10000 PSI

DELCORTE range of High Pressure Forged Carbon Steel Sweepolet Fittings are manufactured to strict specifications backed up by regular quality checks.

ASTM A105N Applies to forged carbon steel piping components and fittings, used in systems running at ambient and high temperature and pressures.

& A350 LF2 Applies to our forged carbon and low alloy steel forged fittings used for low temperature applications.

Dimensions to ASME B16.11 & BS3799 Size Range: 1/8” to 4”

Pressure Rating: 2000/3000/6000/9000/10000 PSI