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DESCRIPTION

The BECA 024 profile is a double acting

composite piston seal composed of a

profiled rubber ring and a filled PTFE

or POM back-up ring. It meets the

standards MIL-G-5514F and AS4716.



ADVANTAGES

Excellent extrusion resistance

Good sealing effect in static applications

Wide temperature range and excellent

chemical resistance, depending

on the materials selected

Housing in line with MIL-G-

5514F and AS4716



APPLICATIONS

Actuators

Brakes systems

Flight controls

Engine systems

Landing gear



MATERIALS

Profiled seal

NBR 70 Shore A

FKM 70 Shore A

EPDM 70 Shore A

VMQ 70 Shore A

Back-up ring

Polyoxymethylene - POM

Filled PTFE

PISTON SEALS

BECA 024

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

TECHNICAL DATA

Temperature

-40°C / +200°C

Pressure

35 MPa in static applications

21 MPa in dynamic applications

Speed

1 m/s

Media

Mineral hydraulic oils

Fire-resistant liquids

Biocompatible fluids

Water

Others (contact our experts)

The figures above indicate the maximum values and may not be cumulated. They may be

developed, depending on the materials used.

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

SURFACE ROUGHNESS

Roughness

Dynamic surface area

Static surface area

Groove flanks

Ra

0.1 - 0.4 µm

≤1.6 µm

≤3.2 µm

Rz

0.63 - 2.5 µm

≤6.3 µm

≤10.0 µm

Rmax

1.0 - 4.0 µm

≤10.0 µm

≤16.0 µm

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

CHAMFERS AND RADIUS

Series

Radius

Chamfer

C

R1 min - max

R2 min - max

010 - 028

0.13 - 0.26

0.13 - 0.38

2.00

110 - 149

0.13 - 0.26

0.13 - 0.38

2.50

210 - 222

0.13 - 0.26

0.13 - 0.38

3.00

223 - 247

0.13 - 0.26

0.25 - 0.64

3.50

325 - 349

0.13 - 0.26

0.51 - 0.89

4.00

425 - 460

0.13 - 0.26

0.51 - 0.89

4.50

QUALITY & EXPERTISE FOR YOUR SEALING NEEDS

AEROSPACE SEALS | PISTON SEALS |

BECA 024