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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
525.1380
Standard request
 380,00 355,50 8,10
525.1390
Standard request
 390,00 365,50 8,10
525.1400
Standard request
 400,00 375,50 8,10
525.1410
Standard request
 410,00 385,50 8,10
525.1420
Standard request
 420,00 395,50 8,10
525.1430
Standard request
 430,00 405,50 8,10
525.1440
Standard request
 440,00 415,50 8,10
525.1450
Standard request
 450,00 425,50 8,10
525.1460
Standard request
 460,00 435,50 8,10
525.1470
Standard request
 470,00 445,50 8,10
525.1480
Standard request
 480,00 455,50 8,10
525.1490
Standard request
 490,00 465,50 8,10
525.1500
Standard request
 500,00 475,50 8,10
525.1550
Standard request
 550,00 525,50 8,10
525.1600
Standard request
 600,00 575,50 8,10
525.1650
Standard request
 650,00 625,50 8,10
525.1700
Standard request
 700,00 672,00 9,50
525.1750
Standard request
 750,00 722,00 9,50
525.1800
Standard request
 800,00 772,00 9,50
525.1850
Standard request
 850,00 822,00 9,50
525.1900
Standard request
 900,00 872,00 9,50
525.1950
Standard request
 950,00 922,00 9,50
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