BECA 590

BECA 590
beca_590_3d_v1
beca_590_3d_v2

Description

The BECA 590 profile is a double acting composite piston seal composed of a polyurethane friction ring (two pneumatic fluid retention beads) and a pre-tightened rubber O'Ring.

Advantages

Optimal sealing in static and dynamic applications
Excellent abrasion and wear resistance

Technical data

Temperature

-30°C/+100°C

Pressure

1.6 MPa (5.0 MPa max)

Speed

1 m/s

Medias

Lubricated air
Oil-free air
Non-aggressive gases

Applications

Shock absorbers
Distributor
Standard cylinders

Materials

Friction ring

PU 93 Shore A - Blue
PU 96 Shore A - Blue
High temp. PU 96 Shore A - Beige

O'Ring

NBR 70 Shore A

Dimensions
Installation dimensions
Materials
Technical data

Dimensions

Installation drawingLogement Gorge Joint de piston pneumatique - Housing Groove Pneumatic Piston seal -  BECA 590

Installation dimensions

Housing Groove Pneumatic Piston Seal - BECA - 590

Installation dimensions

 

Bore diameter
ØD1 H9
Groove diameter Groove width Radial section O'Ring
cross-section
Standard series Extended series Ød1 h9 L1 0/+0.20 S Ød2
17.0 - 24.9 25.0 - 49.9 D1 - 8.00 3.20 4.00 2.62
25.0 - 49.9 50.0 - 132.9 D1 - 12.00 4.20 6.00 3.53
50.0 - 132.9 133.0 - 199.9 D1 - 17.00 6.30 8.50 5.33

Materials

Friction ring O'Ring Contact surface area
Standard code ISO code Material Colour Characteristics Code Type of material Service temperature
HG HG PE-UHMW White or off-white Excellent wear resistance on contact with water and air K6 NBR 70 Shore A -30°C/+80°C Steel
Stainless steel
Chrome steel
Aluminium
Bronze
Cast iron
Treated surface
PU U Polyurethane Blue Large mechanical resistance
Good abrasion and wear resistance
High elastic modulus
Good flexibility
Very good ozone and oxidation resistance
K6 NBR 70 Shore A -30°C/+90°C
PUHT U High-temperature polyurethane White or off-white K6 NBR 70 Shore A -30°C/+110°C

Other grades of materials are available depending on your specificities.

Technical data

Housing Groove Pneumatic Piston Seal - BECA - 590

Extrusion gaps

Radial section
S
Radial extrusion gap
F/2
0.0 to 5.0 MPa
4.00 0.50
6.00 0.70
8.50 1.00

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

Chamfers and radius

Radial section
S
Radius
R1
Radius
R2
Chamfer
C
4.00 0.30 0.40 3.00
6.00 0.30 0.80 4.00
8.50 0.30 0.80 5.00
45 dimensions found
590.1020UK6
Standard request
20,00 12,00 3,20
590.1025UK6
Standard request
25,00 17,00 3,20
590.2025UK6
Standard request
25,00 13,00 4,20
590.2030UK6
Standard request
30,00 18,00 4,20
590.1030UK6
Standard request
30,00 22,00 3,20
590.2032UK6
Standard request
32,00 20,00 4,20
590.1032UK6
Standard request
32,00 24,00 3,20
590.2040UK6
Standard request
40,00 28,00 4,20
590.1040UK6
Standard request
40,00 32,00 3,20
590.2050UK6
Standard request
50,00 33,00 6,30
590.1050UK6
Standard request
50,00 38,00 4,20
590.2060UK6
Standard request
60,00 43,00 6,30
590.1060UK6
Standard request
60,00 48,00 4,20
590.2063UK6
Standard request
63,00 46,00 6,30
590.1063UK6
Standard request
63,00 51,00 4,20
590.2065UK6
Standard request
65,00 48,00 6,30
590.1065UK6
Standard request
65,00 53,00 4,20
590.2068UK6
Standard request
68,00 51,00 6,30
590.1068UK6
Standard request
68,00 56,00 4,20
590.2070UK6
Standard request
70,00 53,00 6,30
590.1070UK6
Standard request
70,00 58,00 4,20
590.2075UK6
Standard request
75,00 58,00 6,30
590.1075UK6
Standard request
75,00 63,00 4,20
590.2080UK6
Standard request
80,00 63,00 6,30
590.1080UK6
Standard request
80,00 68,00 4,20
590.2085UK6
Standard request
85,00 68,00 6,30
590.1085UK6
Standard request
85,00 73,00 4,20
590.2090UK6
Standard request
90,00 73,00 6,30
590.1090UK6
Standard request
90,00 78,00 4,20
590.2095UK6
Standard request
95,00 78,00 6,30
590.1095UK6
Standard request
95,00 83,00 4,20
590.2100UK6
Standard request
100,00 83,00 6,30
590.1100UK6
Standard request
100,00 88,00 4,20
590.2105UK6
Standard request
105,00 88,00 6,30
590.1105UK6
Standard request
105,00 93,00 4,20
590.2110UK6
Standard request
110,00 93,00 6,30
590.1110UK6
Standard request
110,00 98,00 4,20
590.2115UK6
Standard request
115,00 98,00 6,30
590.1115UK6
Standard request
115,00 103,00 4,20
590.2120UK6
Standard request
120,00 103,00 6,30
590.1120UK6
Standard request
120,00 108,00 4,20
590.2125UK6
Standard request
125,00 108,00 6,30
590.1125UK6
Standard request
125,00 113,00 4,20
590.2130UK6
Standard request
130,00 113,00 6,30
590.1130UK6
Standard request
130,00 118,00 4,20