Hydraulic Cylinder Rod Seals

Hydraulic Cylinder Rod Seals

Kintowe K652 is a high pressure rod seal designed specifically for longwall mining application. The seal design comprises three elements: a polyurethane shell, an O-ring energizer and a polyacetal / PFC anti-extrusion ring.
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Description

The shell is manufactured in Kintowe R01 to provide flexibility for installation and responsiveness to the sealing lip.

The rubber energizer ensures complete lip actuation under all pressure conditions and cushions the seals against shock loadings.


The anti-extrusion ring enables the seal to with stand side loads and extreme pressure peaks during operation, even with the extrusion gaps which are the result of using remote plastic bearing strip such as Kintowe PFC.


Technical details

Operating conditions         Metric                            Inch

Maximum speed              1.0m/sec                          3.0 ft/sec

Temperature range          -45℃+110℃                   -50°F +230°F

Maximum pressure          700bar*                           10.000 p.s.i.*


Maximum extrusion gap       Figures show the maximum permissible gap all on one side using minimum rod ø and maximum clearance ø.


Pressure bar                      160         250      400      500      700

Maximum Gap mm            1.0         0.8       0.6      0.4         0.25

Pressure p.s.i.                   2400       3750     6000    7500     10.000

                       

Surface roughness                      μmRa          μmRt        μinCLA       μinRMS

Dynamic sealing face ød1        0.1<>0.4        4 max       4<>16       5<>18

Static sealing face øD1            1.6 max          10 max      63 max      70 max

Static housing faces L1            3.2 max           16 max      125 max     140 max

 

Chamfers & Radii

Groove section S mm     4.0       5.0      7.5      10.0      12.5      15.0

Min chamfer C mm            3.0       3.5      5.0      6.5       7.0       8.0

Max fillet Rad r1mm           0.2      0.4      0.8       0.8       1.2       1.6

Max fillet Rad r2mm           0.4      0.8      1.2       1.2       1.6       2.4

Tolerances                 ød1                øD1            L1mm           

                                    f9             Js11           +0.25 -0        

QQ20220416110901

    K652 


ød1

øD1

SL

L1

Part   No.


ød1

øD1

SL

L1

Part   No.

32

44

8.7

9.6

6520320


128

143

14.5

16.0

6051280

40

52

8.7

9.6

6520400


130

145

14.5

16.0

6051300

50

62

8.7

9.6

6520500


135

155

13.6

15.0

6051350

60

69.8

11.4

12.5

6520600


140

155

14.5

16.0

6051400

60

72

8.7

9.6

6520601


150

165

14.5

16.0

6051500

60

75

11.9

13.0

6520602


160

175

11.7

12.8

6051600

63

75

8.7

9.6

6520630


160

175

14.5

16.0

6051601

70

82

8.7

9.6

6520700


160

177

14.5

16.0

6051602

75

95

12.5

14.0

6520750


160

185

18.8

20.0

6051603

80

95

14.5

16.0

6520800


165

182

14.5

16.0

6051650

80

95

11.8

13.0

6520801


170

185

14.5

16.0

6051700

85

97

8.7

9.6

6520850


177

192

14.5

16.0

6051770

90

105

14.5

16.0

6520900


180

195

14.5

16.0

6051800

100

115

11.0

12.0

6521000


185

200

14.5

16.0

6051850

100

115

14.5

16.0

6521001


185

210

18

20.0

6051851

105

120

11.8

13.0

6521050


190

205

14.5

16.0

6051900

105

120

14.5

16.0

6521051


195

210

14.5

16.0

6051950

110

125

14.5

16.0

6521100


195

215

14.5

16.0

6051951

115

130

14.5

16.0

6521150


200

220

14.5

16.0

6052000

120

135

14.5

16.0

6521200


205

220

14.5

16.0

6052050

125

140

14.5

16.0

6521250


210

230

14.5

16.0

6052100





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