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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

525.1008, 525.1010, 525.1012, 525.1014, 525.1015, 525.1016, 525.3016, 525.1018, 525.1020, 525.3020, 525.1021, 525.1022, 525.1024, 525.2025, 525.1025, 525.1028, 525.1030, 525.2032, 525.1032, 525.1035, 525.1036, 525.1038, 525.1040, 525.3040, 525.1042, 525.1045, 525.1048, 525.2050, 525.1050, 525.1052, 525.1053, 525.1055, 525.1057, 525.1058, 525.1060, 525.1062, 525.2063, 525.1063, 525.1065, 525.1068, 525.1070, 525.1072, 525.1075, 525.1080, 525.3080, 525.1082, 525.1085, 525.1087, 525.1090, 525.1092, 525.1095, 525.1100, 525.3100, 525.1105, 525.1108, 525.1110, 525.1115, 525.1120, 525.2125, 525.1125, 525.1127, 525.1130, 525.1132, 525.1135, 525.1140, 525.1145, 525.1150, 525.1155, 525.1160, 525.3160, 525.1165, 525.1170, 525.1175, 525.1180, 525.1185, 525.1190, 525.1195, 525.1200, 525.3200, 525.1205, 525.1210, 525.1215, 525.1220, 525.1230, 525.1240, 525.2250, 525.1250, 525.1260, 525.1270, 525.1280, 525.1290, 525.1300, 525.1310, 525.2320, 525.1320, 525.1330, 525.1340, 525.1350, 525.1360, 525.1370, 525.1380, 525.1390, 525.1400, 525.1410, 525.1420, 525.1430, 525.1440, 525.1450, 525.1460, 525.1470, 525.1480, 525.1490, 525.1500, 525.1550, 525.1600, 525.1650, 525.1700, 525.1750, 525.1800, 525.1850, 525.1900, 525.1950
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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