,

Hachiken FS Soft Flexible

Made in Japan
Manufacturer : Hachiken
Model : FS

A flexible straight tube type rubber joint for sound and vibration isolation.
It is a very soft type rubber joint that can be crushed by hand because there is no wire in the body.

The purpose

  • Connection of piping in places where there are many disconnections
  • When contents are clogged inside the pipe and knocked down from the outside
  • For temporary large displacement

Usage

  • General factory equipment piping

Standard specifications

  • Maximum operating temperature : -10 to 60°C
  • Maximum working pressure : See performance table
  • Flange standard : JIS 10K
  • Inner rubber material : EPDM

Structure and material

Soft flexible structural diagram
Part number Name Material
1 Inner rubber EPDM
2 Reinforcing layer Synthetic fiber
3 External rubber EPDM
4 Flange SS※

*Hot-dip galvanized flanges are standard.

Dimensions and performance table

* Please inquire separately about sizes from 550A to 1000A.

Nominal diameter A. L. Maximum working
pressure MPa
Standard maximum displacement Mass
kg
Standard goods Longest Shrinkage Stretch Eccentricity
20A 19 300 1000 0.25 9 9 12 2.2
25A 25 300 1000 0.25 9 9 12 3.3
32A 32 300 1000 0.25 9 9 12 4.0
40A 38 300 1000 0.25 9 9 12 4.4
50A 51 300 1000 0.25 9 9 12 5.2
65A 64 300 1000 0.25 9 9 12 6.9
80A 76 300 1000 0.25 9 9 12 7.4
100A 102 400 1000 0.25 12 12 16 9.8
125A 127 400 1000 0.10 12 12 16 15
150A 152 400 1000 0.10 12 12 16 19
200A 203 500 1000 0.10 15 15 20 29
250A 254 500 1000 0.10 15 15 20 36
300A 305 500 1000 0.10 15 15 20 43
350A 350 500 1000 0.10 15 15 20 58
400A 400 700 700 0.10 21 21 28 75
450A 450 700 700 0.10 21 21 28 95
500A 500 700 700 0.10 21 21 28 110

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

※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>

  • It cannot be used in a negative pressure line because it does not contain a wire.
  • When replacing the peripheral equipment, if the joint is displaced too much, the body will collapse and the fluid will not flow during that time.
  • 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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