FDI-DICHTUNGEN®

FDI® - shaft seal
model: F2 + F8

- for single and multiple application

with grooves for lubrication:
Example for application:
figure 1
figure 2
figure 3
P = pressure side
housing dimension:
H (mm) H 2 x H 3 x H
tolerance
to 19 ±0,1 ±0,1 ±0,1
up 20 ±0,2 ±0,2 ±0,2
C (mm) E (mm) b (mm)
A x 0,2 A x 0,5 H x 0,12
lubrication: requested! (above approx. ca. 0,2m/s )
media to be sealed: foods stuff, oil, grease, water, suspension with hard particles.
model
radial runout
operating pressure max.
mm / max.
Bar
MPa
F2 endless
1,5
1
0,1
F8 split
1,5
low grade
Ø range of

d (mm)
         cross section *
     A=D-d               H
            2                     
radal runout

mm   max.
axial movement

mm   unlimited
<50       11              10 0,6
  >50 - 100       16              12,5    0,75
>100 - 250       20              16 0,9
>250 - 400       22              20 1,0
>400 - 600       25              22 1,2
>600       32              25 1,5
further profiles on request.

The indicated data are limits and can´t be combined!


material:


temperature

°C

min.   max.

speed

m/s max.

chemical

resistance


FDI® 1002 -40   +120 15 as NBR
FDI® 2002 -40   +170 25 as HNBR
FDI® 3002 -30   +200 30 as FKM (FPM)
Lead in chamfer
(length of lead chamfer mm)
W=30° W=25° W=20° W=15°
Ø d (shaft Ø mm)
Ø dm max
L
L
L
L
R
up 30 - 40
d -3,0
2,6 3,2 4,1 5,6 3,0
up 40 - 50
d -3,5
3,0 3,7 4,8 6,5 3,5
up 50 - 70
d -4,0
3,5 4,3 5,5 7,5 3,5
up 70 - 95
d -4,5
4,0 4,8 6,2 8,4 4,0
up 95 - 130
d -5,5
4,8 5,9 7,6 10,3 5,0
up 130 - 240
d -7,0
6,0 7,5 9,6 13 6,0
up 240 - 400
d -11,0
9,5 11,8 15,1 20,5 10
> 400
d -12,5
10,8 13,4 17,2 23,3 10
size list*
d D H A
CAD
Download
(mm) (mm) (mm) (mm)
090 115 11 12,5
130 170 16 20
150 180 12 15
160 200 16 20
200 230 15 15
200 240 16 20
220 250 15 15
220 260 16 20
225 265 16 20
230 260 15 15
255 299 20 22
260 300 16 20
284 328 16 22
300 340 16 20
300 344 20 22
355 399 20 22
380 424 20 22
400 444 20 22
425 475 20 25
430 480 22 25
455 505 22 25
525 575 22 25
530 580 22 25
* other sizes on request

The data shown above is based on long lasting experience in the manufacturing and use of sealing
elements. As there are many unknown possible parameters and conditions in practice, which may
limit standard performance, it is requested that the user runs practical tests. Except as expressly
stated, Friedrich´s liability, expressed or implied, is limited to the published selling price of our
defective item.
© Issued under copyright and must not be used for any purpose without written permission from the copyright owner.

FDI® and FDI-DICHTUNGEN® are registered trademarks of Friedrich GmbH

© 2016/1 by FDI® - Design

FDI-025-F2+F8_e