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BECA 525

BECA 525
beca_525_3d_v1
beca_525_3d_v2

Description

The BECA 525 profile is a double acting composite piston seal composed of a pre-tightened rubber O'Ring and a trapezoidal friction ring made from polyurethane or TPC (Hytrel) depending on the type of application.

Advantages

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

Technical data

Temperature

-30°C/+100°C

Pressure

25 MPa

Speed

0.5 m/s

Medias

Mineral hydraulic oils

Applications

Agriculture
Middle-sized and heavy industry
Machine tools
Material handling/Lifting

Materials

Friction ring

PU 93 Shore A - Blue
PU 96 Shore A - Blue
High temp. PU 96 Shore A - Beige
TPC-E (Hytrel)

O'Ring

NBR 70 Shore A

Dimensions
Installation dimensions
Materials
Technical data

Dimensions

Installation drawingLogement Gorge Joint de piston - Housing Groove Gland Piston seal BECA 525

Installation dimensions

Housing Groove Gland Piston Seal - BECA - 525

Installation dimensions

Bore diameter
ØD1 H9
Groove diameter Groove width Radial section O'Ring
cross-section
BECA 525.1
Standard series
BECA 525.3
Light series
BECA 525.2
Heavy-duty series
Ød1 h9 L1 0/+0.20 S Ød2
8.0 - 14.9 15.0 - 39.9 --- D1 - 4.90 2.20 2.45 1.78
15.0 - 39.9 40.0 - 79.9 --- D1 - 7.50 3.20 3.75 2.62
40.0 - 79.9 80.0 - 132.9 15.0 - 39.9 D1 - 11.00 4.20 5.50 3.53
80.0 - 132.9 133.0 - 329.9 40.0 - 79.9 D1 - 15.50 6.30 7.75 5.33
133.0 - 329.9 330.0 - 669.9 80.0 - 132.9 D1 - 21.00 8.10 10.50 6.99
330.0 - 669.9 670.0 - 999.9 133.0 - 329.9 D1 - 24.50 8.10 12.25 6.99
670.0 - 999.9 1000.0 - ** 330.0 - 669.9 D1 - 28.00 9.50 14.00 8.40
1000.0 - ** --- 1000.0 - ** D1 - 38.00 13.80 19.00 12.00

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/+100°C

Other grades of materials are available depending on your specificities.

Technical data

Housing Groove Gland Piston Seal - BECA - 525

Extrusion gaps

Radial section
S
Radial extrusion gap
F/2
2.45 0.20
3.75 0.30
5.50 0.30
7.75 0.40
10.50 0.40
12.25 0.50
14.00 0.60
19.00 0.70

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
2.45 0.30 0.40 3.00
3.75 0.30 0.60 3.00
5.50 0.30 1.00 3.00
7.75 0.30 1.30 5.00
10.50 0.30 1.80 6.00
12.25 0.30 1.80 8.00
14.00 0.30 2.50 10.00
19.00 0.30 3.00 12.00
122 dimensions found
525.1008
Standard request
8,00 3,10 2,20
525.1010
Standard request
10,00 5,10 2,20
525.1012
Standard request
12,00 7,10 2,20
525.1014
Standard request
14,00 9,10 2,20
525.1015
Standard request
15,00 7,50 3,20
525.1016
Standard request
16,00 8,50 3,20
525.3016
Standard request
16,00 11,10 2,20
525.1018
Standard request
18,00 10,50 3,20
525.1020
Standard request
20,00 12,50 3,20
525.3020
Standard request
20,00 15,10 2,20
525.1021
Standard request
21,00 13,50 3,20
525.1022
Standard request
22,00 14,50 3,20
525.1024
Standard request
24,00 16,50 3,20
525.2025
Standard request
25,00 14,00 4,20
525.1025
Standard request
25,00 17,50 3,20
525.1028
Standard request
28,00 20,50 3,20
525.1030
Standard request
30,00 22,50 3,20
525.2032
Standard request
32,00 21,00 4,20
525.1032
Standard request
32,00 24,50 3,20
525.1035
Standard request
35,00 27,50 3,20
525.1036
Standard request
36,00 28,50 3,20
525.1038
Standard request
38,00 30,50 3,20
525.1040
Standard request
40,00 29,00 4,20
525.3040
Standard request
40,00 32,50 3,20
525.1042
Standard request
42,00 31,00 4,20
525.1045
Standard request
45,00 34,00 4,20
525.1048
Standard request
48,00 37,00 4,20
525.2050
Standard request
50,00 34,50 6,30
525.1050
Standard request
50,00 39,00 4,20
525.1052
Standard request
52,00 41,00 4,20
525.1053
Standard request
53,00 42,00 4,20
525.1055
Standard request
55,00 44,00 4,20
525.1057
Standard request
57,00 46,00 4,20
525.1058
Standard request
58,00 47,00 4,20
525.1060
Standard request
60,00 49,00 4,20
525.1062
Standard request
62,00 51,00 4,20
525.2063
Standard request
63,00 47,50 6,30
525.1063
Standard request
63,00 52,00 4,20
525.1065
Standard request
65,00 54,00 4,20
525.1068
Standard request
68,00 57,00 4,20
525.1070
Standard request
70,00 59,00 4,20
525.1072
Standard request
72,00 61,00 4,20
525.1075
Standard request
75,00 64,00 4,20
525.1080
Standard request
80,00 64,50 6,30
525.3080
Standard request
80,00 69,00 4,20
525.1082
Standard request
82,00 66,50 6,30
525.1085
Standard request
85,00 69,50 6,30
525.1087
Standard request
87,00 71,50 6,30
525.1090
Standard request
90,00 74,50 6,30
525.1092
Standard request
92,00 76,50 6,30
525.1095
Standard request
95,00 79,50 6,30
525.1100
Standard request
100,00 84,50 6,30
525.3100
Standard request
100,00 89,00 4,20
525.1105
Standard request
105,00 89,50 6,30
525.1108
Standard request
108,00 92,50 6,30
525.1110
Standard request
110,00 94,50 6,30
525.1115
Standard request
115,00 99,50 6,30
525.1120
Standard request
120,00 104,50 6,30
525.2125
Standard request
125,00 104,00 8,10
525.1125
Standard request
125,00 109,50 6,30
525.1127
Standard request
127,00 111,50 6,30
525.1130
Standard request
130,00 114,50 6,30
525.1132
Standard request
132,00 116,50 6,30
525.1135
Standard request
135,00 114,00 8,10
525.1140
Standard request
140,00 119,00 8,10
525.1145
Standard request
145,00 124,00 8,10
525.1150
Standard request
150,00 129,00 8,10
525.1155
Standard request
155,00 134,00 8,10
525.1160
Standard request
160,00 139,00 8,10
525.3160
Standard request
160,00 144,50 6,30
525.1165
Standard request
165,00 144,00 8,10
525.1170
Standard request
170,00 149,00 8,10
525.1175
Standard request
175,00 154,00 8,10
525.1180
Standard request
180,00 159,00 8,10
525.1185
Standard request
185,00 164,00 8,10
525.1190
Standard request
190,00 169,00 8,10
525.1195
Standard request
195,00 174,00 8,10
525.1200
Standard request
200,00 179,00 8,10
525.3200
Standard request
200,00 184,50 6,30
525.1205
Standard request
205,00 184,00 8,10
525.1210
Standard request
210,00 189,00 8,10
525.1215
Standard request
215,00 194,00 8,10
525.1220
Standard request
220,00 199,00 8,10
525.1230
Standard request
230,00 209,00 8,10
525.1240
Standard request
240,00 219,00 8,10
525.2250
Standard request
250,00 225,50 8,10
525.1250
Standard request
250,00 229,00 8,10
525.1260
Standard request
260,00 239,00 8,10
525.1270
Standard request
270,00 249,00 8,10
525.1280
Standard request
280,00 259,00 8,10
525.1290
Standard request
290,00 269,00 8,10
525.1300
Standard request
300,00 279,00 8,10
525.1310
Standard request
310,00 289,00 8,10
525.2320
Standard request
320,00 295,50 8,10
525.1320
Standard request
320,00 299,00 8,10
525.1330
Standard request
330,00 305,50 8,10
525.1340
Standard request
340,00 315,50 8,10
525.1350
Standard request
350,00 325,50 8,10
525.1360
Standard request
360,00 335,50 8,10
525.1370
Standard request
370,00 345,50 8,10
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