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Hachiken FG Global Joint

Made in Japan
Manufacturer : Hachiken
Model : FG

Standard spherical flexible joint for anti-vibration joints around pumps. A large anti-vibration effect can be obtained in spite of the short face-to-face dimension.

Feature

  • The main body is spherical, so it is stable against internal pressure, and it can withstand negative pressure, so it can be used for both delivery and suction.
  • Due to its spherical shape, dimensional change during pressurization is extremely small compared to other types of joints.

Usage

  • Building equipment piping
  • HVAC plumbing
  • Ship piping
  • General factory equipment piping

Structure and material

Global joint structural drawing
Part numberNameMaterial
1Inner rubberEPDM
2Reinforcing layerSynthetic fiber
3External rubbersynthetic rubber
4Reinforcing wireSteel wire
5FangeSS※

*The standard flange is electrogalvanized.

Dimensions and performance table

Nominal diameterA.L.Maximum working pressureStandard maximum displacementMass
kg
Internal pressure MPaNegative pressure kPaShrinkageStretchEccentricity
20A20971.00-902251.4
25A25971.00-902252.2
32A34961.00-902252.8
40A34961.00-902253.0
50A481061.00-902263.7
65A611161.00-902264.8
80A681331.00-903365.1
100A971361.00-9033105.8
125A1221751.00-9033109.1
150A1401851.00-90331413
200A1882091.00-90331616
250A2412370.75-90331624
300A2902640.75-50441628
350A3202640.75-50441633

※1. Each displacement amount is the value when each is displaced independently.

※2. Weight is a guideline.

Option

StandardOption
Flange standardJIS 10KClean water F12, JIS 5K (25A or more)
Flange materialSS platingSUS304/SUS316
Inner rubber materialEPDMCR/NBR

*For JIS5K, please inquire separately as the flange dimensions are partly different from the standard.

<Remarks/Precautions>

  • Insert the mounting bolt from the rubber joint side.
  • Make sure that the mounting bolt does not touch the rubber joint body.
  • As this is a mold product, we cannot manufacture non-standard dimensions.

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