Rod Seal

Rod Seal

Rod seal
Material: Composite PTFE ring with O-ring NBR 70(Black)
Temperature (°C): -30 to +150(Depending on the material of the O-ring)
Working Pressure (MPa): ≤ 40
Reciprocating motion rate: ≤5m/s
Working medium: Hydraulic oil, air, water, emulsion

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Product Details

Rod seal consists of a PTFE seal ring filled with like Bronze, glass, graphite, carbon with different rubber rings, like FKM, VMQ etc to meet different application areas. The standard for this design is a combination of PTFE-Bronze + NBR 70. It is used as seal for two-way piston rod (axis) in reciprocating motion of hydraulic and pneumatic system. 

 

Installation
For small diameters, axially accessible installation housings are required. For larger diameters, the seals can be installed in closed installation housings. Subsequent calibration is necessary.

 

Dimension of groove(unit: mm)

Section

O-ring 
cross section


Recommended standard 

shaft diameter range

L
Width of groove

G
Detpth of groove


max Radial clearance

10Mpa

20Mpa

40Mpa

A

1.78

8~15 

 2.2

 2.45

 0.3

0.2 

0.15 

B

2.6

15~40

3.2 

3.75

 0.4

0.25 

 0.15

C

3.53 

80~133 

4.2 

5.5

0.5 

0.3 

0.2 

D

5.33 

133~330

6.3 

7.55 

0.7 

0.4 

0.25 

E

6.99 

330~670

8.1 

10.5

0.8 

0.6 

0.35 

F

6.99 

670~1000 

8.1 

12.25

0.9 

0.7 

0.4 

G

8.40 

 

9.5 

14

1.0 

0.8 

0.5 

Remark: Non-standard items pls contact us for more information.

 

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