,

Hachiken QJ Bellows

Made in Japan
Manufacturer : Hachiken
Model : QJ

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

  • Flange standard : JIS 5K

Structure and material

Bellows structure diagram
Part number Name Material
1 Body Cloth-filled silicone rubber
2 Reinforcement ring SUS304
3 Reinforcement ring SUS304
4 Flange SS*
5 Rubber seal silicone rubber

*The standard flange is JIS 5K electrogalvanized.

Dimensions and performance table

* Please contact us separately for sizes from 350A to 1000A.

Nominal diameter A. L. W. S. Maximum working
pressure MPa
80A 89 140 200 75 0.01
100A 114 155 220 75 0.01
125A 140 180 230 75 0.01
150A 165 200 290 100 0.01
200A 216 230 320 100 0.01
250A 267 270 400 120 0.01
300A 319 300 420 120 0.01

<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.).
  • The maximum displacement in the performance table of each product is the value when each product is displaced independently.

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