Kaco Cap Seals QHW

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Cap seals are predominantly used as rod seals, in the case of reciprocating motions, for sealing liquid and gaseous media. They are suitable for operating pressures up to 16 bar. Former predominantly radial oil seals in accordance with German standard DIN 3760 and additional support rings were used for such sealing functions. In comparison with this type of seal, QHW type cap seals provide considerable advantages:

  • Only one component thanks to the omission of the support ring
  • Easier installation
  • More favourable operating behaviour

In principle, installation of these cap seals is the same as that of radial oil seals, however, the angular metallic support element is nearer the rod and the sealing lip is considerably stronger.  In order to avoid extreme deformation under the effect of the medium pressure, the sealing lip has been kept shorter.

QHW cap seals are also available with a scraper or protective lip. Many dimensions of QHW cap seals correspond with those of radial oil seals. Therefore, if the principal dimensions are the same, these are interchangeable. Great quantities of cap seals are also used for a rod sealing in shock-absorbers and telescopic struts (figures

33 and 34). Merely their fixture and type of attachment are different from those of normal cap seals.

Item number  d D H h
QHW 6 • 12  NGU 01 6 12 3
QHW 8 • 14  NGU 01 8 14 3
QHW 8 • 16 VGF 01 8 16 7
QHW 8 • 20 VGFU 02 8 20 8 1,5
QHW 8 • 20 VGFU 03 8 20 6 1,5
QHW 8 • 22 VGFU 01 8 22 8
QHW 8,5 • 18 NGF 01 8,5 18 7
QHW 10 • 20 VGF 01 10 20 4,5 1
QHW 10 • 22 VGF 01 10 22 7
QHW 10 • 22 VGFU 01 10 22 6 0,5
QHW 10 • 35 VGFU 01 10 35 8
QHW 10 • 40 VGFU 01 10 40 8
QHW 12 • 21  VGF 01 12 21 7
QHW 12 • 22 NGF 01 12 22 7
QHW 12 • 22 VGF 01 12 22 7
QHW 12 • 24 RGFU 01 12 24 7 1,5
QHW 14 • 22 NGF 01 14 22 7
QHW 14 • 32 VGFU 01 14 32 10
QHW 15 • 24 VGF 01 15 24 7
QHW 15 • 35 VGF 01 15 35 9,5 3
QHW 16 – 30 VGFU 01 16 30 6
QHW 17 • 35 VGF 01 17 35 10 2,5
QHW 18 • 32 VGF 01 18 32 7
QHW 18 • 35 VGFU 01 18 35 8
QHW 20 • 26 NGU 01 20 26 5 1
QHW 20 • 30 VGF 01 20 30 7
QHW 20 • 35 VGFU 01 20 35 8,5 2,2
QHW 20 • 38 VGF 01 20 38 10
QHW 20 • 40 VGFU 01 20 40 10
QHW 22 • 37 NGFU 01 22 37 7
QHW 22 • 65 VGFU 01 22 65 8 1,5
QHW 25 • 35 NGFU 01 25 35 6 0,5
QHW 25 • 36 VGFU 01 25 36 7,5 1,5
QHW 25 • 47 VGF 01 25 47 10
QHW 26 • 35 VGF 02 26 35 7
QHW 26 • 36 VGF 01 26 36 7,5
QHW 27 • 36 VGF 01 27 36 7
QHW 29 • 38 VGF 01 29 38 7
QHW 30 • 40 VGF 01 30 40 6 1,2
QHW 30 •40 VGF 02 30 40 6 1,2
QHW 30 • 47 VGFU 01 30 47 7,5 1,5
QHW 30 • 75 VGFU 01 30 75 8 1,5
QHW 32 • 42 VGF 01 32 42 6 1,2
QHW 32 • 45 VGFU 01 32 45 6,5 1,2
QHW 35 • 47 VGFU 01 35 47 7 1,5
QHW 36 • 46 VGF 01 36 46 7 1,5
QHW 38 • 50 VG FU 01 38 50 7 1,5
QHW 40 • 54 VGF 01 40 54 7

 

 

Merk

Kaco

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