KD doppeltwirkendKD double actingKD doppeltwirkendKD doppeltwirkend
S.F. Components GmbH

Piston seals - KD double acting

Selection

   Diameter DH9

Standard
design
Light-duty
design
Heavy-duty
design
Groove root
ø
d h9
Groove width
E+0,2
O-Ring
Cord thickness ø D1
8 - 14,915 - 39,9ø D - 4,92,21,78
15 - 39,940 - 79,9ø D - 7,53,22,62
40 - 79,980 - 132,915 - 39,9ø D - 11,04,23,53
80 - 132,9133 - 329,940 - 79,9ø D - 15,56,35,33
133 - 329,9330 - 669,980 - 132,9ø D - 21,08,17,00
330 - 669,9670 - 999,9133 - 329,9ø D - 24,58,17,00
670 - 999,9330 - 669,9ø D - 28,09,5

8,50

Gap dimension "s" / radius "R"

Groove width
E+0,2
Gap "s"
0 - 20 MPa
Gap "s"
20 - 40 MPa
Radius
R
2,20,3 - 0,20,2 - 0,10,3 - 0,5
3,20,4 - 0,20,2 - 0,10,5 - 0,8
4,20,4 - 0,20,3 - 0,10,8 - 1,2
6,30,5 - 0,30,3 - 0,21,2 - 1,5
8,10,5 - 0,30,3 - 0,21,5 - 2,0
8,10,6 - 0,30,4 - 0,21,5 - 2,0
9,50,7 - 0,40,4 - 0,32,0 - 3,0

All piston seals are supplied as standard with an O-ring of NBR, 70 Shore. O-rings of special materials such as Viton must be separately specified!

Piston seals / Ordering example:

Material

KD - 63 x 52 x 4,2 - BR
Piston seal for piston diameter  of ø 63 / PTFE-Bronze / Standard design

KD - 63 x 47,5 x 6,3 - K

Piston seal for piston diameter of ø 63 / PTFE-Carbon / Heavy-duty design

PTFE - Bronze
PTFE - Carbon

PTFE - Carbon-fibre
PTFE - Glass fibre
 
PU - Polyurethan

PU - Polyurethan+graphite

(Special material; note modified material properties and technical specifications)

BR

C

GF

KF

 

PU

PUG

Directives

All information and values stated concerning our product portfolio are based on the knowledge optained through a long experience of manufacturing and application.
These figures are for indicative purposes only and may vary (exceed or deceed) according to the particular circumstances. Unknown factors in the applications and practice can considerably change the conditions and reduce and change statements, which may cause the above information to be invalid.
No liability can be accepted for any mistakes or omissions, error and subject to change without prior notice.

News

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7 November 2018                          S.F. Components successfully completed the Certification of the

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SERVICE

Piston Sealings

KD double acting

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KE single acting

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KDAQ double acting

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