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A threaded fitting is used to create a threaded connection between pipes, valves, appliances and installation components. These fittings are suitable for transitions, sockets, plugs, reducers and connections with female or male thread.
At Hewa, you will find threaded fittings for pipework, heating systems, water-based systems and technical installation. When selecting the right fitting, check thread size, female thread, male thread, material, sealing method, pressure class, temperature, application and correct strain-free installation.
Brands
Uponor Uni-X MLC screw coupling NL 20–22 mm female thread
Item no. 305520EAN 4021598116818
Price excl. VAT€ 9,32Price incl. VAT€ 11,28
In stock
Added
OEG 802001181 - Brass tee G 1" F
Item no. 341181EAN 4029719005690
Price excl. VAT€ 7,40Price incl. VAT€ 8,95
In stock
Added
OEG 802017280 - Stainless steel plug (G 1 1/2" M)
Item no. 347280EAN 4055668018931
Price excl. VAT€ 5,78Price incl. VAT€ 6,99
In stock
Added
OEG 802001152 - Reducing Socket - 1" G F x 3/4" G F Brass
Item no. 341152EAN 4029719007663
Price excl. VAT€ 2,42Price incl. VAT€ 2,93
In stock
Added
OEG 802001151 – Reducing Socket (G 1" F x G 1/2" F)
Item no. 341151EAN 4029719002263
Price excl. VAT€ 1,96Price incl. VAT€ 2,37
In stock
Added
OEG 802001150 - Reducing Socket (G 3/4" F x G 1/2" F)
Item no. 341150EAN 4042707262493
Price excl. VAT€ 1,86Price incl. VAT€ 2,25
In stock
Added
OEG 802017252 - Stainless Steel Nipple (G 1/2" M)
Item no. 347252EAN 4055668018597
Price excl. VAT€ 1,89Price incl. VAT€ 2,29
In stock
Added
OEG 802001093 - Brass Nipple (G 1" M)
Item no. 341093EAN 4018422016420
Price excl. VAT€ 3,26Price incl. VAT€ 3,95
In stock
Added
OEG 802001092 - Brass Nipple (G 3/4" M)
Item no. 341092EAN 4018422016413
Price excl. VAT€ 2,08Price incl. VAT€ 2,52
In stock
Added
OEG 802001091 - Brass Nipple (G 1/2" M)
Item no. 341091EAN 4018422016333
Price excl. VAT€ 1,78Price incl. VAT€ 2,15
In stock
Added
HE 402001221 - Brass T-Piece (G 3/4" F)
Item no. 341221EAN 4029719005777
Price excl. VAT€ 5,80Price incl. VAT€ 7,02
In stock
Added
OEG AS812498 – Brass Plug (G 1 1/4" M)
Item no. 342498EAN 8000130243485
Price excl. VAT€ 3,12Price incl. VAT€ 3,78
In stock
Added
OEG AS812505 - Brass Cap (G 1 1/2" F)
Item no. 342505EAN 4042707265623
Price excl. VAT€ 3,12Price incl. VAT€ 3,78
In stock
Added
OEG AS812504 - Brass Cap (G 1 1/4" F)
Item no. 342504EAN 4042707265661
Price excl. VAT€ 2,12Price incl. VAT€ 2,57
In stock
Added
OEG AS812502 - Brass Cap (G 1" F)
Item no. 342502EAN 4029719007830
Price excl. VAT€ 1,68Price incl. VAT€ 2,03
In stock
Added
OEG AS812501 - Brass Cap (G 3/4" F)
Item no. 342501EAN 4042707262592
Price excl. VAT€ 1,18Price incl. VAT€ 1,43
In stock
Added
OEG 802001121 - Brass reducing fitting (G 3/4" F x G 1" M)
Item no. 341121EAN 4018422017601
Price excl. VAT€ 2,48Price incl. VAT€ 3,00
In stock
Added
OEG 802001120 - Brass reducing fitting (G 1/2" F x G 1" M)
Item no. 341120EAN 4042707262417
Price excl. VAT€ 2,88Price incl. VAT€ 3,49
In stock
Added
Uponor press fitting reducer U-Contour 25 mm x G 3/4" M
Item no. 308025EAN 6414905218271
Price excl. VAT€ 13,18Price incl. VAT€ 15,95
Op nalevering
Added
Uponor Uni-X brass screw coupling 25–22 mm female thread ¾"
Item no. 300425EAN 8721082877671
Price excl. VAT€ 10,12Price incl. VAT€ 12,25
In stock
Added
OEG 802004610 - C-steel reducing press fitting M-profile (28 mm x 1" F)
Item no. 344610EAN 4055668023553
Price excl. VAT€ 4,91Price incl. VAT€ 5,94
In stock
Added
OEG 802004602 - C-steel reducing press fitting M-profile (28 mm x 1" male)
Item no. 344602EAN 4055668022259
Price excl. VAT€ 5,22Price incl. VAT€ 6,32
In stock
Added
OEG 802017228 - Reducing fitting - Stainless steel (G 1" F x G 1-1/2" M)
Item no. 341112EAN 4055668018191
Price excl. VAT€ 7,50Price incl. VAT€ 9,08
In stock
Added
OEG 8412394827441 – Bronze Reducing Adapter (G 1" F x G 1-1/2" M)
Item no. 344931EAN 8412394827441
Price excl. VAT€ 9,47Price incl. VAT€ 11,46
In stock
Added
OEG AS724859 - Reducing Piece M/F 3/4" x 1/2" Brass
Item no. 344859EAN 4018422017595
Price excl. VAT€ 0,88Price incl. VAT€ 1,07
In stock
Added
OEG AS724860 - Brass Reducing Piece (G 1" F x G 1 1/4" M)
Item no. 344860EAN 4029719023762
Price excl. VAT€ 2,55Price incl. VAT€ 3,09
In stock
Added
BONFIX 44220 - Reducing nipple (G 1/2" M x G 1" M)
Item no. 114220EAN 8717845442204
Price excl. VAT€ 8,50Price incl. VAT€ 10,29
In stock
Added
OEG AS812499 - Brass Plug (G 1 1/2" M)
Item no. 342499EAN 8000130243492
Price excl. VAT€ 5,23Price incl. VAT€ 6,33
Low stock
Added
OEG AS812497 - Brass Plug (G 1" M)
Item no. 342497EAN 8000130243478
Price excl. VAT€ 2,18Price incl. VAT€ 2,64
In stock
Added
OEG AS812495 - Brass Plug (G 1/2" M)
Item no. 342495EAN 8000130243454
Price excl. VAT€ 1,12Price incl. VAT€ 1,36
In stock
Added
OEG 802001139 - Brass socket G 1/2" F
Item no. 341139EAN 4029719007540
Price excl. VAT€ 1,56Price incl. VAT€ 1,89
In stock
Added
OEG 802001140 - Brass socket G 3/4" F
Item no. 341140EAN 4018422018066
Price excl. VAT€ 2,07Price incl. VAT€ 2,50
In stock
Added
OEG 802001141 - Brass socket G 1" F
Item no. 341141EAN 4018422018073
Price excl. VAT€ 4,95Price incl. VAT€ 5,99
In stock
Added
OEG AS812500 - Brass Cap (G 1/2" F)
Item no. 342500EAN 4029719007793
Price excl. VAT€ 0,73Price incl. VAT€ 0,88
In stock
Added
Selecting a threaded fitting
A threaded fitting is intended for connections with female thread, male thread or a combination of both. These fittings are used with pipes, valves, shut-off components, pumps, manifolds, boilers, heating components and existing installation parts. This group includes sockets, plugs, reducers, threaded connectors and T-pieces with threaded connections.
The right choice depends on thread size, material, connection type, sealing method, pressure class, temperature and application. For the broader category, also review fittings for pipework. When a connection without threaded sealing is preferred, press fitting or compression fitting may be more relevant.
Important when choosing threaded fittings
- Check the correct thread size, such as G 1/2", G 3/4" or G 1"
- Select the right design, such as socket, plug, reducer, T-piece or threaded connector
- Check female thread, male thread and the combination with valves or appliances
- Check material type, pressure class, temperature range and application
- Use a suitable sealing method for the threaded connection
- Install the fitting straight, clean and without strain on the pipework
- After installation, always check correct fit, sealing and leak tightness
Threaded connection, transition and sealing
The main point with threaded fittings is the combination of thread type, sizing and sealing. A female threaded socket requires a matching male threaded connection, while a reducer is used to connect different thread sizes. Plugs and caps are used to temporarily or permanently close off connections.
For installers, sealing is the decisive factor for connection reliability. Threaded connections must be clean, correctly matched and installed with a suitable sealing method. Too little sealing can cause leakage, while incorrect or excessive tightening can cause stress, damage or cracking. Always check thread direction, fit, material compatibility and the technical requirements of the installation.
Frequently asked questions about threaded fittings
What is a threaded fitting?
A threaded fitting is a fitting with female thread, male thread or both. It is used to connect pipes, valves, appliances or transition pieces with threaded connections.
When should I use a threaded fitting?
A threaded fitting is used for threaded connections, reducers, plugs, sockets, T-pieces and connections to shut-off valves, pumps, boilers, manifolds or existing installation components.
Which threaded fitting do I need?
The correct threaded fitting depends on thread size, female or male thread, material, application, pressure class, temperature and required sealing method. Always check the technical data of the installation.
Does a threaded fitting need to be sealed?
Yes, many threaded connections must be installed with a suitable sealing method. The correct method depends on material, medium, pressure, temperature and application.
What should an installer check during installation?
Check thread size, thread direction, female or male thread, correct sealing, strain-free installation, suitable tightening torque, material compatibility and leak tightness after installation.