,

Hachiken QA Expansion Sleeve

Made in Japan
Manufacturer : Hachiken
Model : QA

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℃

Structure and material

Structural drawing of expansion sleeve
Part number Name Material
1 Inner rubber Silicone rubber
2 Reinforcing layer Heat resistant fiber
3 External rubber Silicone rubber

*Please inquire separately about 2 or 3 ridges.

Dimensions and performance table

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

Nominal diameter A. B. L. Maximum displacement Maximum operating
pressure MPa
Shrinkage Stretch Eccentricity
80A 89 101 150 15 8 16 0.10
100A 114 126 200 20 12 24 0.10
125A 140 152 200 20 12 24 0.10
150A 165 183 250 20 16 24 0.05
200A 216 234 250 20 16 24 0.05
250A 267 285 300 25 20 24 0.05
300A 319 337 300 25 20 24 0.05

<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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