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Coupling nut

€1.00*

Available, delivery time: 1-3 days

Diameter pipe connection
Product number: 7261
Product information "Coupling nut"

Here you can also order union nuts for compression fittings individually. You can of course use the union nut as a spare part for our compression fittings but of course you can also use it for your own fittings.

The union nuts are made of brass MS 58.

The following union nuts are available:

  • Coupling nut with internal thread M8x1 / for 4mm pipe
  • Coupling nut with internal thread M10x1 / for 5mm pipe
  • Coupling nut with internal thread M10x1 / for 6mm pipe
  • Coupling nut with internal thread M12x1 / For 8mm pipe
  • Coupling nut with internal thread M16x1.5 / for 10mm pipe

Matching Copper pipe or Brass tube for the compression fitting can be found under the link.

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Accessory Items

Screw-in connection
With this screw-in connection you can easily create an easily detachable connection between steam pipes and water pipes. One side of this screw connection has a metric fine thread that you can screw into a boiler, steam engine or condenser. The other side of the screw-in connection is provided with a union nut and a cone solder nipple. Either a brass tube or a copper pipe can be soldered in and then screwed to the screw body using the union nut. The screw-in fitting is available for 3mm, 4mm, 5mm or 6mm pipe. The screw-in connection is made entirely of brass and seals with a cone. You can also find in our shopSolder connection sleeve into which the screw-in connections can be screwed in. Matching Soldering nipple and Coupling nuts you can also find spare parts in our online shop. Dimensions of screw-in connection for 3mm pipe: Length with nipple: 19mm Wrench size: 7mm Length without nipple: 15mm Screw-in thread: M5x0.5  Dimensions of screw-in connection for 4mm pipe: Length with nipple: 22mm Wrench size: 8mm Length without nipple: 15mm Screw thread: M6x0.75  Dimensions of screw-in connection for 5mm pipe: Length with nipple: 24mm Wrench size: 9mm Length without nipple: 15mm Screw thread: M6x0.75  Dimensions of screw-in connection for 6mm pipe: Length with nipple: 28mm Wrench size: 10mm Length without nipple: 20mm Screw-in thread: M8x0.75

€7.90*

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Clamping ring
You can find replacement clamping rings here. Since the clamping rings cannot be used again after use, you can order replacement clamping rings for our compression ring fittings  here in the shop. The clamping rings are made of brass MS 58. The following clamping rings are available: Clamping ring for 4 mm pipe Clamping ring for 5 mm pipe Clamping ring for 6 mm pipe Clamping ring for 8 mm pipe Clamping ring for 10 mm pipe Suitable Copper pipe or  Brass tube for the compression fitting can be found under the link.

€0.50*
Copper tube soft
The soft copper tube is suitable for all applications in steam model making and for technical model making. The Cu pipe is also suitable for gasoline lines or diesel lines for motorcycles, tractors and vintage cars. The copper tube is very malleable and can be easily bent into narrow radii by hand. Our soft copper pipes are delivered in a ring and are 1000mm long. If you need a 3m long copper pipe in one piece, simply order 3m copper pipe in the desired diameter. In order to keep your waste as low as possible, we always deliver the pipes in one piece in the length you ordered. Matching compression fittings can also be found in our shop. If you order several meters of a CU pipe diameter, we will always send you the copper pipe in one piece. The following CU tubes and copper tubes in a ring are available: 3mm x 0.5mm soft copper tube 4mm x 0.5mm soft copper tube 5mm x 0.5mm soft copper tube 6mm x 0.5mm soft copper tube 6mm x 1.0mm soft copper tube 8mm x 1.0mm soft copper tube 10mm x 1.0mm soft copper tube

Variants from €8.80*
€9.70*
Compression fittings
With these compression fittings you can connect two copper pipes or brass pipes together without soldering. A compression fitting consists of a base body, two cutting rings and two union nuts. All parts of the compression fitting are made of brass. The compression fittings can be used in both pneumatics and hydraulics. These screw connections are also used to connect lubrication lines, gasoline lines, gas lines, supply steam lines or exhaust steam lines. The compression fittings are also used in trade and industry. There are even many areas of application in model making. To crimp a pipe, the union nut is first pushed over the pipe. The cutting ring is then also pushed onto the pipe. Now the pipe can be inserted into the base body and the union nut is tightened using a wrench. When the union nut is tightened, the clamping ring is compressed so tightly that it can no longer be removed from the pipe without being destroyed. The following compression fittings are available: Straight compression fitting for 4 mm pipe / internal thread union nut M8x1 Straight compression fitting for 5 mm pipe / internal thread union nut M10x1 Straight compression fitting for 6 mm pipe / internal thread union nut M10x1 Straight compression fitting for 8 mm pipe / internal thread union nut M12x1 Straight compression fitting for 10 mm pipe / internal thread union nut M6x1.5 Suitable Copper pipe or  Brass tube for the compression fitting can be found under the link.

€3.70*
Coupling nut
Here you can also order union nuts for compression fittings individually. You can of course use the union nut as a spare part for our compression fittings but of course you can also use it for your own fittings. The union nuts are made of brass MS 58. The following union nuts are available: Coupling nut with internal thread M8x1 / for 4mm pipe Coupling nut with internal thread M10x1 / for 5mm pipe Coupling nut with internal thread M10x1 / for 6mm pipe Coupling nut with internal thread M12x1 / For 8mm pipe Coupling nut with internal thread M16x1.5 / for 10mm pipe Matching Copper pipe or Brass tube for the compression fitting can be found under the link.

Variants from €1.00*
€1.30*