931 - Single lip NBR energised PTFE light to heavy duty rod wiper.

941 & 951 - Twinlip NBR energised PTFE light to heavy duty rod wiper.

- Design -

Claron Wiper Seals Style 941 and 951 are designed as low friction Double-acting seals to assist the sealing capability of single-acting Rod seal arrangements in arduous conditions. Double Acting Wiper Seals Style 941 and 951 should not be utilised in combination with double-acting Rod seals unless the housing design allows for pressure relief between the wiper and the seal.
Claron Wiper Seals Style 931 are designed as low friction Single-acting Rod wiper seals for use with other single or double-acting Rod seals in hydraulic and pneumatic cylinders. This style does not offer any assistance to the sealing capability of the Rod seal and therefore would not be recommended for use where Style 941 and 951 could be utilised. Housing sizes and tolerances for Style 931 are identical to Style 941. Style 951 utilises a seperate range of installation sizes.

- Materials -

Standard materials are Virgin Modified P.T.F.E with a Nitrile O-Ring Energiser but both the inner wiper element and the energiser are available in a wide range of high performance materials to suit a variety of applications. The application parameters should be carefully considered prior to selecting suitable materials from the tables shown in Appendix 2-3. Consult Claron for further advise.

- Operating Range -

Temp. -50°C to 200°C, (Dependent upon O-Ring Material used see Appendix 2.)
Velocity upto 15m/s linear, 5m/s Rotary or Oscillating
These range parameters are maximum conditional values.
Optimum service conditions are affected by temperature, speed and surface finish. Refer to Seal selection Guide for further information.

- Range of Installation Dimensions -

The full range of diameters applicable to the "Standard", "Light" and « Heavy » Duty Sections are shown in the table below

- How to Order -

When ordering, prefix the size reference with the style required and use the suffix shown in the material application tables.
e.g. 931 Standard section in Virgin Modified material for 70mm Rod 931-0700/VM
941 Light duty section in Virgin Modified material for 70 mm Rod 941-0700/1VM
941 Heavy duty section in Carbon filled material for 70 mm Rod 941-0700/2C
951 Standard section in Virgin Modified material for 70mm Rod 951-0700/VM
For O-Ring energiser materials other than Nitrile, use suffix shown in material table
e.g Flourocarbon material (FKM), 941-0700/VM/FKM.

- Housing -

For surface finish and recommended lead in chamfers refer the illustration below. For housing dimensions and machining tolerances refer to the table of recommended sizes and Tolerance Tables for value of tolerence symbols

- Fitting -

For the seal to function correctly, it is important that care be taken in fitting the seal within its housing. For details refer to Seal Installation.

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