Professional O-Ring and Oil Seal Manufacturer, Sealing Solution Supplier Since 2008.
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1. Description
Applicable to high and low speed reciprocating motion environment, a wide range of fluids and high temperature condition. Suitable for larger gap of piston rod. Low friction, simple groove, be able to work in the medium with oil spots.
Meet the standard of GB/T 15242.3.
2. Installation Recommendation
3. Installation Sizes
Rod Diameter dN h9 |
Groove Diameter |
Groove Width |
Radius |
Radial Clearance S max. |
O-Ring Cross-Section |
||||
Standard Application |
Light Application |
Heavy Duty Application |
D1 H9 |
L1+0.2 |
R1 |
10MPa |
20MPa |
40MPa |
d2 |
3-7.9 |
8-18.9 |
- |
dN+4.9 |
2.2 |
0.4 |
0.3 |
0.20 |
0.15 |
1.78 |
8-18.9 |
19-37.9 |
- |
dN+7.3 |
3.2 |
0.6 |
0.4 |
0.25 |
0.15 |
2.62 |
19-37.9 |
38-199.9 |
8-18.9 |
dN+10.7 |
4.2 |
1.0 |
0.4 |
0.25 |
0.20 |
3.53 |
38-199.9 |
200-255.9 |
19-37.9 |
dN+15.1 |
6.3 |
1.3 |
0.5 |
0.30 |
0.20 |
5.33 |
200-225.9 |
256-649.9 |
38-199.9 |
dN+20.5 |
8.1 |
1.8 |
0.6 |
0.35 |
0.25 |
7.00 |
256-649.9 |
650-999.9 |
200-255.9 |
dN+24.0 |
8.1 |
1.8 |
0.6 |
0.35 |
0.25 |
7.00 |
650-999.9 |
≥1000.0 |
256-649.9 |
dN+27.3 |
9.5 |
2.5 |
0.7 |
0.50 |
0.30 |
8.40 |
≥1000.0 |
- |
650-999.9 |
dN+38.0 |
13.8 |
3.0 |
1.0 |
0.70 |
0.60 |
12.00 |
4. Standard materials
Sealing ring: filled PTFE
O-Ring: NBR / FKM
5. Working Conditions
Working Conditions |
||||
Diameter Range |
Pressure Range |
Temperature Range |
Speed |
Medium |
3 - 1600mm |
0 - 60MPa |
-45℃ +200℃ |
15 m/s |
hydraulic oil, flame retardant liquid, water, gas |
6. Installation Dimensions
Rod Dia.
Groove Dia.
Groove Width
Order No.
O-Ring Dimensions
DN h9
D1 H9
L1+0.2
4
5
6
8.9
9.9
10.9
2.2
2.2
2.2
GSI4*8.9*2.2
GSI5*9.9*2.2
GSI6*10.9*2.2
5.6*1.8
6.7*1.8
7.65*1.78
8
8
10
12.9
15.3
14.9
2.2
3.2
2.2
GSI8*12.9*2.2
GSI8*15.3*3.2
GSI10*14.9*2.2
9.5*1.8
10.77*2.62
11.8*1.8
About more dimensions, you can download it through below link.
http://www.foreverseals.com/download.html
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