What is Threadolet?

Threadolet is a type of self-reinforced branch fitting developed by a Company called Bonney Forge. It is used whenever threaded branch connections are required from the pipe header. Mostly, it is used for small size piping with a low-pressure application.

Threadolets are available in full size or reducing size. Full size is when you take a branch of the same size as run pipe size for example 3 inches to 3 inches. And reducing size is when branch size is less than run pipe size. For example, 3 inches to 1 inch. Threadolet ’s end is suited for the threaded connection.

This olet is available in class 3000 and class 6000 pressure-temperature ratings.

Thredolet

Threadolet® is a Registered Trademark of Bonney Forge.

Threadolet Dimensions

During the Dimensional inspection of threadolet, you should check for

  • Outer & Inner Diameter of body
  • Length of the Hub
  • Thread Dimensions

Being a trailer product, threadolets are designed for specific conditions based on Process piping Code ASME B31.3, hence, Dimension is also specified by the designer. However, MSS-SP-97 provide dimension requirements for standard 90° self-reinforced branch connection with butt, socket and threaded end types

threadolet dimensions

Class 3000 Dimensions

Size in InchesABCDWeight in KG
1/819.0525.4015.880.05
1/419.0525.4015.880.05
3/820.6431.7519.050.09
1/225.4035.7223.810.11
3/426.9943.6629.370.16
133.3450.8036.510.27
1 1/433.3465.0944.450.41
1 1/234.9372.2350.800.45
238.1088.1165.090.79
2 1/246.04103.1976.201.36
350.80122.2493.661.97
3 1/253.98132.56101.602.61
457.15151.61120.653.22
566.68185.74141.295.44
669.85219.08169.866.94
Piping Courses

Class 6000 Dimensions

Size in InchesABCDWeight in KG
1/428.5834.1314.290.14
3/828.5834.1314.290.14
1/231.7543.6619.050.20
3/436.5149.6125.400.34
139.6961.9133.340.57
1 1/441.2869.0638.100.73
1 1/242.8682.5549.210.88
255.03102.3969.852.27

Size on Size Class 3000 Dimensions

Size in InchesABCDWeight in KG
1/225.4034.9323.8115.880.07
3/426.9941.2830.1620.640.11
133.3450.8036.5126.990.20
1 1/433.3460.3344.4534.930.32
1 1/234.9373.0350.8041.280.41
238.1088.9065.0952.390.64
2 1/248.42103.1976.2063.501.13
350.80122.2493.6677.791.95
3 1/253.98136.53112.7190.492.04
457.15153.99120.65103.193.08
561.91184.15133.35133.354.17
669.85220.66146.05146.057.12

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