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BECA 322

BECA 322
beca_322_3d_v1
beca_322_3d_v2

Description

The BECA 322 profile is a U-ring type single acting rod seal with symmetrical lips, composed of a profiled polyurethane seal, a NBR O'Ring to preserve its elastic memory and a triangular POM back-up ring on the back. It can be assembled in a groove according to standard ISO 5597.

Advantages

Very good sealing at low pressures
Elastic memory preserved using the O'Ring
Excellent abrasion resistance
Very good extrusion resistance

Technical data

Temperature

-30°C/+100°C

Pressure

45 MPa

Speed

0.5 m/s

Medias

Mineral hydraulic oils

Applications

Agriculture
Mobile machinery
Lifting systems
Injection presses
Hydraulic cylinders

Materials

Profiled seal

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

O'Ring

NBR 70 Shore A

Back-up ring

Polyoxymethylene (POM)

Dimensions
Materials
Technical data

Dimensions

322.0060146, 322.0080166, 322.0100186, 322.0100208, 322.0120206, 322.0120228, 322.0140226, 322.0140248, 322.0160246, 322.0160268, 322.0180255, 322.0180266, 322.0180288, 322.0200275, 322.020028I, 322.0200308, 322.022030I, 322.0220328, 322.0250325, 322.025033I, 322.0250358, 322.028036I, 322.028038I, 322.0280388, 322.0280432, 322.0300386, 322.032040I, 322.032042I, 322.0320428, 322.0320472, 322.0350436, 322.036044I, 322.036046I, 322.0360468, 322.0360481, 322.0360512, 322.040050I, 322.0400508, 322.0400552, 322.0420506, 322.045055I, 322.0450558, 322.0450601, 322.0450602, 322.050060I, 322.0500608, 322.0500609, 322.0500621, 322.0500652, 322.0550636, 322.0560719, 322.0560711, 322.056071I, 322.0560766, 322.0600703, 322.0600750, 322.0600753, 322.0630788, 322.063078I, 322.0630836, 322.8650802, 322.0650802, 322.0700807, 322.0700851, 322.070085I, 322.0700902, 322.0700903, 322.0700906, 322.0750952, 322.0750953, 322.0800951, 322.0800952, 322.080095I, 322.0801002, 322.0801003, 322.0801006, 322.0851002, 322.0901007, 322.090105I, 322.0901052, 322.0901109, 322.0901102, 322.0901101, 322.0901106, 322.0951153, 322.0961042, 322.1001203, 322.1001201, 322.1001250, 322.1101250, 322.1101302, 322.1101303, 322.1101301, 322.1101350, 322.1201402, 322.1241322, 322.1251456, 322.1251500, 322.1301504, 322.1401606, 322.1401650, 322.1451600, 322.1581662, 322.1601850, 322.1601905, 322.1802050, 322.1802105, 322.1852000, 322.1982062, 322.1982082, 322.2002250, 322.2002305, 322.2182304, 322.2202505, 322.2502805, 322.2803105, 322.3203602, 322.3604002
Installation drawingLogement Gorge Joint de tige - Housing Groove Gland Rod seal BECA 322

Materials

PU

Polyurethane is a material that has the elastic properties of rubber. The proportion in its composition (diisocyanate, polyol, chain extender) is determined by its properties. This material is characterised by a strong mechanical resistance, good wear resistance, high elastic modulus, good flexibility and a very good ozone and oxidation resistance.

Chemical resistance Pure aliphatic hydrocarbons (propane, butane)
Mineral oils and greases
Silicone oils and greases
Water up to +50°C
Compatibility issue Ketones, esters, ethers, alcohols and glycols
Hot water, steam, alkalis, amines and acids
Temperature range

-30°C/+90°C
-30°C / +110°C with our PUHT (short term peak at 150°C)

NBR

Nitrile rubber (NBR) is the general term for acrylonitrile-butadiene copolymer. The ACN content can vary between 18% and 50%. While the acrylonitrile content is important, the resistance to oil and fuel is more so. Conversely, the elasticity and compression set are not as good. The NBR has good mechanical properties and good wear resistance. However, its resistance to atmospheric agents and the ozone is relatively low.

Chemical resistance Aliphatic hydrocarbons (propane, butane, petroleum, diesel fuel)
Mineral oils and greases
Fire-resistant fluids (HFA, HFB and HFC)
Diluted acids, low-temperature alkaline and saline solutions
Water (up to +100°C max)
Compatibility issue Fuels with high aromatic content
Aromatic hydrocarbons (benzene)
Chlorinated hydrocarbons (trichlorethylene)
Polar solvents (ketone, acetone, acetic acid, ethylene-ester)
Strong acids
Glycol-based brake fluids
Atmospheric and ozone agents
Temperature range -30°C/+100°C
-40°C / +100°C with our low-temperature NBR

Polyoxymethylene - POM

Polyoxymethylene (POM or polyacetal) belongs to the thermoplastics, which have a number of advantages - strong mechanical resistance, good creep strength, high resistance to shocks, particularly at low temperatures, good wear resistance, good sliding coefficient, excellent machinability and good dielectric properties. The low water absorption coefficient, unlike polyamide (PA), also gives this material an excellent dimensional stability.

Chemical resistance

Aliphatic hydrocarbons (propane, butane, petroleum, diesel fuel)
Mineral oils and greases
Fire-resistant fluids (HFA, HFB and HFC)
Water

Compatibility issue Acids
Temperature range -50°C/+115°C

Technical data

Housing Groove Gland Rod Seal - BECA 322

Extrusion gaps

Pressure
MPa
Radial extrusion gap
F/2
20 MPa 0.30
25 MPa 0.25
35 MPa 0.15
40 MPa 0.10
45 MPa 0.07

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
3.00 0.20 0.40 2.00
4.00 0.40 0.60 2.50
5.00 0.80 1.00 2.50
7.50 0.80 1.00 4.00
10.00 0.80 1.00 5.00
118 dimensions found
322.0060146
Standard request
6,00 14,00 5,70 6,30
322.0080166
Standard request
8,00 16,00 5,70 6,30
322.0100186
Standard request
10,00 18,00 5,70 6,30
322.0100208
Standard request
10,00 20,00 7,30 8,00
322.0120206
Standard request
12,00 20,00 5,70 6,30
322.0120228
Standard request
12,00 22,00 7,30 8,00
322.0140226
Standard request
14,00 22,00 5,70 6,30
322.0140248
Standard request
14,00 24,00 7,30 8,00
322.0160246
Standard request
16,00 24,00 5,70 6,30
322.0160268
Standard request
16,00 26,00 7,30 8,00
322.0180255
Standard request
18,00 25,00 5,00 5,60
322.0180266
Standard request
18,00 26,00 5,70 6,30
322.0180288
Standard request
18,00 28,00 7,30 8,00
322.0200275
Standard request
20,00 27,00 5,20 5,60
322.020028I
Standard request
20,00 28,00 5,70 6,30
322.0200308
Standard request
20,00 30,00 7,30 8,00
322.022030I
Standard request
22,00 30,00 5,70 6,30
322.0220328
Standard request
22,00 32,00 7,30 8,00
322.0250325
Standard request
25,00 32,00 5,00 5,60
322.025033I
Standard request
25,00 33,00 5,70 6,30
322.0250358
Standard request
25,00 35,00 7,30 8,00
322.028036I
Standard request
28,00 36,00 5,70 6,30
322.028038I
Standard request
28,00 38,00 7,20 8,00
322.0280388
Standard request
28,00 38,00 7,30 8,00
322.0280432
Standard request
28,00 43,00 11,50 12,50
322.0300386
Standard request
30,00 38,00 5,70 6,30
322.032040I
Standard request
32,00 40,00 5,70 6,30
322.032042I
Standard request
32,00 42,00 7,20 8,00
322.0320428
Standard request
32,00 42,00 7,30 8,00
322.0320472
Standard request
32,00 47,00 11,50 12,50
322.0350436
Standard request
35,00 43,00 5,70 6,30
322.036044I
Standard request
36,00 44,00 5,70 6,30
322.036046I
Standard request
36,00 46,00 7,20 8,00
322.0360468
Standard request
36,00 46,00 7,30 8,00
322.0360481
Standard request
36,00 48,00 9,00 10,00
322.0360512
Standard request
36,00 51,00 11,50 12,50
322.040050I
Standard request
40,00 50,00 7,20 8,00
322.0400508
Standard request
40,00 50,00 7,30 8,00
322.0400552
Standard request
40,00 55,00 11,50 12,50
322.0420506
Standard request
42,00 50,00 5,70 6,30
322.045055I
Standard request
45,00 55,00 7,20 8,00
322.0450558
Standard request
45,00 55,00 7,30 8,00
322.0450601
Standard request
45,00 60,00 10,00 11,00
322.0450602
Standard request
45,00 60,00 11,50 12,50
322.050060I
Standard request
50,00 60,00 7,20 8,00
322.0500608
Standard request
50,00 60,00 7,30 8,00
322.0500609
Standard request
50,00 60,00 8,00 9,00
322.0500621
Standard request
50,00 62,00 9,00 10,00
322.0500652
Standard request
50,00 65,00 11,50 12,50
322.0550636
Standard request
55,00 63,00 5,70 6,30
322.0560719
Standard request
56,00 71,00 9,50 10,50
322.0560711
Standard request
56,00 71,00 10,00 11,00
322.056071I
Standard request
56,00 71,00 11,50 12,50
322.0560766
Standard request
56,00 76,00 15,00 16,00
322.0600703
Standard request
60,00 70,00 12,00 13,00
322.0600750
Standard request
60,00 75,00 10,00 11,00
322.0600753
Standard request
60,00 75,00 11,50 12,50
322.0630788
Standard request
63,00 78,00 7,50 8,00
322.063078I
Standard request
63,00 78,00 11,50 12,50
322.0630836
Standard request
63,00 83,00 15,00 16,00
322.8650802
Standard request
65,00 80,00 8,00 9,00
322.0650802
Standard request
65,00 80,00 11,50 12,50
322.0700807
Standard request
70,00 80,00 6,50 7,50
322.0700851
Standard request
70,00 85,00 10,00 11,00
322.070085I
Standard request
70,00 85,00 11,50 12,50
322.0700902
Standard request
70,00 90,00 12,00 13,00
322.0700903
Standard request
70,00 90,00 13,50 14,50
322.0700906
Standard request
70,00 90,00 15,00 16,00
322.0750952
Standard request
75,00 95,00 12,00 13,00
322.0750953
Standard request
75,00 95,00 13,50 14,50
322.0800951
Standard request
80,00 95,00 10,50 11,50
322.0800952
Standard request
80,00 95,00 11,00 12,00
322.080095I
Standard request
80,00 95,00 11,50 12,50
322.0801002
Standard request
80,00 100,00 11,50 12,50
322.0801003
Standard request
80,00 100,00 13,50 14,50
322.0801006
Standard request
80,00 100,00 15,00 16,00
322.0851002
Standard request
85,00 100,00 12,00 0,00
322.0901007
Standard request
90,00 100,00 6,50 7,50
322.090105I
Standard request
90,00 105,00 11,50 12,50
322.0901052
Standard request
90,00 105,00 12,50 13,50
322.0901109
Standard request
90,00 110,00 9,50 10,00
322.0901102
Standard request
90,00 110,00 11,40 12,50
322.0901101
Standard request
90,00 110,00 11,50 12,50
322.0901106
Standard request
90,00 110,00 15,00 16,00
322.0951153
Standard request
95,00 115,00 13,50 14,50
322.0961042
Standard request
96,00 104,00 11,10 12,00
322.1001203
Standard request
100,00 120,00 13,50 14,50
322.1001201
Standard request
100,00 120,00 15,00 16,00
322.1001250
Standard request
100,00 125,00 19,00 20,00
322.1101250
Standard request
110,00 125,00 9,60 10,60
322.1101302
Standard request
110,00 130,00 12,00 13,00
322.1101303
Standard request
110,00 130,00 13,50 14,50
322.1101301
Standard request
110,00 130,00 15,00 16,00
322.1101350
Standard request
110,00 135,00 19,00 20,00
322.1201402
Standard request
120,00 140,00 11,50 12,50
322.1241322
Standard request
124,00 132,00 11,10 12,00
322.1251456
Standard request
125,00 145,00 15,00 16,00
322.1251500
Standard request
125,00 150,00 19,00 20,00
322.1301504
Standard request
130,00 150,00 13,50 14,50
322.1401606
Standard request
140,00 160,00 15,00 16,00
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