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Hachiken FR Reducer

Made in Japan
Manufacturer : Hachiken
Model : FR

A rubber joint for absorbing vibration and displacement that connects pipes with different diameters.

Feature

  • A joint for pipes with different diameters, which was difficult with rubber.

Usage

  • Chemical plant
  • Flue gas desulfurization plant
  • Sewage treatment plant
  • Pump/blower piping
  • Ship piping
  • General factory equipment piping

Standard specifications

  • Maximum operating temperature : -10 to 60°C
  • Maximum working pressure : -50kPa to 0.50MPa
  • Flange standard : JIS 10K
  • Inner rubber material : EPDM

Structure and material

Reducer structure diagram
Part number Name Material
1 Inner rubber EPDM
2 Reinforcing layer Synthetic fiber
3 Reinforcing wire Steel wire
4 Reinforcing layer Synthetic fiber
5 External rubber EPDM
6 Flange SS※

*Hot-dip galvanized flanges are standard.

Dimensions and performance table

Nominal diameter A. B. L. Mass
kg
20A x 25A 19 25 200 2.5
20A x 40A 19 38 200 3.0
25A x 40A 25 38 200 3.0
25A x 50A 25 51 200 3.5
40A x 50A 38 51 200 4.5
40A x 65A 38 64 200 5.0
50A x 65A 51 64 200 6.0
50A x 80A 51 76 200 6.5
80A x 100A 76 102 250 7.5
80A x 125A 76 127 250 9.0
100A x 125A 102 127 300 11
100A x 150A 102 152 300 13
150A x 200A 152 203 350 18
150A x 250A 152 254 400 25
200A x 250A 203 254 400 30
200A x 300A 203 305 400 33
250A x 300A 254 305 450 37
250A x 350A 254 350 450 42

※1. Please contact us for the combination of diameters.

※2. Weight is a guideline.

※3. The inside diameter of the mouth of 25A or less is R-processed.

Option

Standard Option
Flange standard JIS 10K Tap water F12, JIS 5K, JPI class 150, etc.
Flange material SS plating SUS304, SUS316, etc.
Inner rubber material EPDM CR, NBR, NR, wear resistant

<Remarks/Precautions>

  • If the fluid is gas, the maximum working pressure will be 1/2 of the above value.
  • Please contact us for non-standard specifications (diameter, length, etc.).
  • Due to the manufacturing method, the plating on the flange may be discolored or mottled, but this does not affect performance.

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