Accessories and Supplementary Piping Components – All from a Single Source
In addition to pipe fittings, Nirotec supplies supplementary piping components for industrial projects – from Olets and Socket Welded Fittings to Spectacle Blinds, Bolts, and Nozzles. For complete deliveries within a project, we coordinate the entire scope of supply – one contact person, one documentation, one deadline.
Olets – Branch Connections
Olets enable direct branch connections from pipes without a Tee – space-saving, pressure-resistant, and standard-compliant.
Available types:
- Weldolet – Weld-on branch, high pressure resistance
- Sockolet – Socket weld branch for smaller nominal diameters
- Threadolet – Threaded branch
- Elbolet – Branch on the elbow
- Nipolet – Combination of branch and nipple
- Latrolet – 45° branch
Materials:
- Unalloyed Steels
- Stainless Steel
- Duplex
- Super Duplex
Standards:
- MSS SP-97
- ASME B16.11
Socket Welded Fittings – Socket Weld Fittings
For piping systems with small nominal diameters and high pressure requirements.
Types:
- Elbows
- Tees
- Reducers
- Caps
- Couplings
Standards:
- ASME B16.11
- EN 10253
Materials:
- Unalloyed Steels
- Stainless Steel
- Duplex
- Special Materials
Threaded Fittings – Threaded Fittings
Threaded pipe connections for auxiliary and instrumentation lines.
Types:
- Elbows
- Tees
- Reducers
- Couplings
- Caps
Standards:
- ASME B16.11
- DIN 2999
- ISO 7/1
Materials:
- Unalloyed Steels
- Stainless Steel
- Duplex
Nipples
Short pipe sections for connections and fittings in piping systems.
Versions:
- Hex Nipples
- Close Nipples
- Long Nipples
- Barrel Nipples
Standards:
- DIN 2982
Materials:
- Unalloyed Steels
- Stainless Steel
- Duplex
Plugs – Closure Plugs
For temporary or permanent closure of pipe connections.
Versions:
- Hex Plug
- Round Plug
- Flush Plug
Materials:
- Unalloyed Steels
- Stainless Steel
- Duplex
Spectacle Blinds – Spectacle Blinds & Blind Flanges
For the safe isolation of pipe sections – during maintenance, inspection, or permanent shut-off.
Types:
- Spectacle Blind – Combination of blind flange and spacer
- Blind Flange – permanent closure
- Spacer – for temporary opening
Standards:
- ASME B16.48
- EN 1092-1
Materials:
- Unalloyed Steels
- Stainless Steel
- Duplex
- Super Duplex
Nozzles
Weld-on nozzles for branch connections, instrumentation connections, and vessel connections.
Versions:
- Cylindrical
- Conical
- With internal thread
- According to drawing
Materials:
- Unalloyed Steels
- Stainless Steel
- Duplex
- Special materials on request
Bolts & Nuts
Fasteners for flange connections – standard-compliant and material-tested.
Types:
- Stud Bolts
- Hex Bolts
- Nuts
- Washers
Standards:
- ASME B18.2.1
- EN ISO 4014
- ASTM A193/A194
Materials:
- Unalloyed Steels
- Stainless Steel (A2/A4)
- Duplex
- B7/B8 Qualities
Bends
Cold-bent and hot-bent pipes for piping systems with limited space or special radii.
Types:
- 1D
- 1.5D
- 3D
- 5D
Standards:
- EN 10253
Materials:
All common pipe materials. Available on request – project-specific.
Documentation & Quality
All accessory components can be supplied with the project-specific required proofs and documentation. These include test certificates according to EN 10204 (3.1 or 3.2), Positive Material Identification (PMI) on request, and complete project documentation for full deliveries.
Applications & Industries
Used worldwide
Our accessory components are used worldwide in industrial piping systems – wherever standardized components are not sufficient.
