Heavy duty hydrailic piston seal OMK-S for high pressure

Bore Diameter

Groove  Diameter

Groove Width

Radius

Radial Clearance                         S max.

D H8

d h8

L₁+0.2

R₁

16MPa

26MPa

32MPa

40MPa

55.0-149.9

D-10.0

10.0

0.4

0.60

0.50

0.40

0.40

150.0-244.9

D-12.5

12.5

0.4

0.75

0.65

0.55

0.50

245.0-500.0

D-15.0

15.0

0.8

0.75

0.65

0.55

0.50

500.1-760.0

D-17.5

17.5

1.2

0.75

0.65

0.55

0.50

760.1-999.9

D-20.0

20.0

1.2

0.80

0.70

0.60

0.55

≧1000

D-20.0

20.5

1.2

0.80

0.70

0.60

0.55

Working  Conditions

Diameter Range

Pressure Range

Temperature Range

Speed

Medium

40 - 1600mm

0 - 60MPa

-30℃ +100℃

5 m/s

hydraulic oil, flame retardant liquid, water and others

Bore Dia.

Groove Dia.

Groove Width

Order No.

D H8

d h8

L+0.2

55

60

70

40

45

55

10

10

10

GSF-W55*40*10

GSF-W60*45*10

GSF-W70*55*10

80

90

100

60

70

80

10

10

10

GSF-W80*60*10

GSF-W90*70*10

GSF-W100*80*10

110

115

120

90

95

100

10

10

10

GSF-W110*90*10

GSF-W115*95*10

GSF-W120*100*10

130

140

150

110

120

125

10

10

12.5

GSF-W130*110*10

GSF-W140*120*10

GSF-W150*125*12.5

160

165

170

135

140

145

12.5

12.5

12.5

GSF-W160*135*12.5

GSF-W165*140*12.5

GSF-W170*145*12.5

180

185

190

155

160

165

12.5

12.5

12.5

GSF-W180*155*12.5

GSF-W185*160*12.5

GSF-W190*165*12.5

200

205

210

175

180

185

12.5

12.5

12.5

GSF-W200*175*12.5

GSF-W205*180*12.5

GSF-W210*185*12.5