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Hachiken QE Expansion

Made in Japan
Manufacturer : Hachiken
Model : QE

A rubber joint for high-temperature air, composed of silicone rubber and heat-resistant fibers.

The purpose

Anti-vibration/sound insulation and displacement absorption for high-temperature air flow lines.

Usage

  • High pressure blower piping
  • Drying line for food, etc.

Standard specifications

  • Maximum operating temperature : 150℃
  • Flange standard : JIS 10K

Structure and material

Expansion structure diagram
Part numberNameMaterial
1Inner rubberSilicone rubber
2Reinforcing layerHeat resistant fiber
3Reinforcing wireSteel wire
4External rubberSilicone rubber
5FlangeSS*

*Hot-dip galvanized flanges are standard.
*Please inquire separately about 2 or 3 ridges.

Dimensions and performance table

* Please inquire separately about sizes from 250A to 1000A.

Nominal diameterA.L.Maximum displacementMaximum working
pressure MPa
ShrinkageStretchEccentricity
50A51150158160.25
65A64150158160.25
80A76150158160.25
100A1021502012240.25
125A1271502012240.10
150A1522002016240.10
200A2032002016240.10

*The inner diameter of the mouth of 25A or less is R-processed.

<Remarks/Precautions>

  • Hot water cannot be used.
  • Since silicone rubber lacks wear resistance, its service life will be extremely short for fluids containing solids.
  • 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.
  • The maximum displacement in the performance table of each product is the value when each product is displaced independently.

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