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High-Performance EPDM Flat Seals

Application area Very well suited for use in: Water, glycoles and brake fluids (on glycol... more

Application area

Very well suited for use in:

Water, glycoles and brake fluids (on glycol base), acids (hydrochloric and nitric acid), bases (sodium hydroxide, potassium hydroxide), polar organic solvents (e.g. acetic acid), oxidizing media (e.g. peracetic acid).

Should not be used in:

Mineral fats, oils and waxes, fuels.

Product specification

Very good resistance to weather and aging

Good cold and thermal resistance

Good elastic behaviour

Good elongation at break and tearing strength

Very good resistance to polar media

Technical specification

Material: EPDM (ethylene-propylene-diene rubber)

Color: black

Crosslinking: peroxidic

Shore hardness A: 65° ±5 (test plate) (DIN 53505)

Temperature range: -25 to +120 °C

Density: approx. 1.30 g/cm3 (DIN 53505)

Tearing strength: >5 MPa (ISO 37)

Elongation at break: >200 % (DIN 53504)

General Information Flat seals are usually stamped as rings. For more complicated geometries,... more

General Information

Flat seals are usually stamped as rings. For more complicated geometries, the rings are frequently cut by means of plotter or water jet. Rings are defined by the dimensions of the internal and external diameter as well as by the total thickness of the ring but often also by nominal diameter and pressure stage according to DIN 2690, 2691 (or 2692). For the purpose of harmonizing standards, these former flat seal standards are summarized in the EU standard DIN.

EN 1514-1. Still, the following sub-descriptions serve the purpose of illustrating the individual shapes: former DIN 2690: now EN 1514-1 Form IBC for smooth flanges; former DIN 2691: now EN 1514-1 Form TG for flanges with groove and tongue.

Advantages compared with other sealing elements:

symmetrical cross section, simple compact design, easy installation, wide selection of materials, grooving not required

Most common application: Flange sealing against liquid or gaseous media; static or quasistatic applications only.

Further applications: Housing and cover sealings.

Method of operation: The flat seal is axially pressed when mounting. The axial press force has to be greater than the sum of all radially acting forces to eliminate the risk of leakage. Cross-sectional leakage (the leakage diffused through the sealing material) is minimized by the selection of the right material. An optimal grouting of the flat seal prevents surface leakage, i.e. leakage occurring between flange and seal.

Materials for special requirements:

These flat seals are especially suited for use in processes that must comply with TA-Luft requirements.

Form IBC for smooth flanges: NW 10 to 200, PN 2.5 to 63

Form TG for flanges with groove and tongue: NW 10 to 200, PN 10 to 160

Manufacturing: according to the latest standards, with an optimal tool park, for quick and flexible handling, the traceability of materials is guaranteed, all parts go through a quality check before packaging.

Item Image Design1 Inside Ø
mm
Outside Ø
mm
Height
mm
NW
mm
PN
bar
Unit
piece
Price
Euro*
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408976
IBC 18 39 3 10 6 10 34.00
408977
IBC 18 39 3 10 6 20 59.00
408978
IBC 18 46 3 10 40 10 34.00
408979
IBC 18 46 3 10 40 20 59.00
408980
IBC 18 56 3 10 63 10 34.00
408981
IBC 18 56 3 10 63 20 59.00
408982
IBC 22 44 3 15 6 10 34.00
408983
IBC 22 44 3 15 6 20 59.00
408984
IBC 22 51 3 15 40 10 34.00
408985
IBC 22 51 3 15 40 20 59.00
408986
IBC 21 61 3 15 63 10 34.00
408987
IBC 21 61 3 15 63 20 59.00
408988
IBC 27 54 3 20 6 10 48.00
408989
IBC 27 54 3 20 6 20 83.00
408990
IBC 27 61 3 20 40 10 48.00
408991
IBC 27 61 3 20 40 20 83.00
408992
IBC 25 72 3 20 63 10 48.00
408993
IBC 25 72 3 20 63 20 83.00
408994
IBC 34 64 3 25 6 10 48.00
408995
IBC 34 64 3 25 6 20 83.00
408996
IBC 34 71 3 25 40 10 48.00
408997
IBC 34 71 3 25 40 20 83.00
408998
IBC 30 82 3 25 63 10 48.00
408999
IBC 30 82 3 25 63 20 83.00
409000
IBC 43 76 3 32 6 10 59.00
409001
IBC 43 76 3 32 6 20 101.00
409002
IBC 43 82 3 32 40 10 59.00
409003
IBC 43 82 3 32 40 20 101.00
409004
IBC 41 88 3 32 63 10 59.00
409005
IBC 41 88 3 32 63 20 101.00
409006
IBC 49 86 3 40 6 10 59.00
409007
IBC 49 86 3 40 6 20 101.00
409008
IBC 49 92 3 40 40 10 59.00
409009
IBC 49 92 3 40 40 20 101.00
409010
IBC 47 103 3 40 63 10 59.00
409011
IBC 47 103 3 40 63 20 101.00
409012
IBC 61 96 3 50 6 10 69.00
409013
IBC 61 96 3 50 6 20 117.00
409014
IBC 61 107 3 50 40 10 69.00
409015
IBC 61 107 3 50 40 20 117.00
409016
IBC 59 113 3 50 63 10 69.00
409017
IBC 59 113 3 50 63 20 117.00
409018
IBC 77 116 3 65 6 10 100.00
409019
IBC 77 116 3 65 6 20 169.00
409020
IBC 77 127 3 65 40 10 100.00
409021
IBC 77 127 3 65 40 20 169.00
409022
IBC 73 138 3 65 63 10 100.00
409023
IBC 73 138 3 65 63 20 169.00
409024
IBC 89 132 3 80 6 10 109.00
409025
IBC 89 132 3 80 6 20 182.00
409026
IBC 89 142 3 80 40 10 109.00
409027
IBC 89 142 3 80 40 20 182.00
409028
IBC 86 148 3 80 63 10 109.00
409029
IBC 86 148 3 80 63 20 182.00
409030
IBC 115 152 3 100 6 10 118.00
409031
IBC 115 152 3 100 6 20 196.00
409032
IBC 115 162 3 100 16 10 118.00
409033
IBC 115 162 3 100 16 20 196.00
409034
IBC 115 168 3 100 40 10 118.00
409035
IBC 115 168 3 100 40 20 196.00
409036
IBC 110 174 3 100 63 10 118.00
409037
IBC 110 174 3 100 63 20 196.00
409038
IBC 141 182 3 125 6 5 89.00
409039
IBC 141 182 3 125 6 10 155.00
409040
IBC 141 192 3 125 16 5 89.00
409041
IBC 141 192 3 125 16 10 155.00
409042
IBC 141 194 3 125 40 5 89.00
409043
IBC 141 194 3 125 40 10 155.00
409044
IBC 135 210 3 125 63 5 89.00
409045
IBC 135 210 3 125 63 10 155.00
409046
IBC 169 207 3 150 6 5 105.00
409047
IBC 169 207 3 150 6 10 182.00
409048
IBC 169 218 3 150 16 5 105.00
409049
IBC 169 218 3 150 16 10 182.00
409050
IBC 169 224 3 150 40 5 105.00
409051
IBC 169 224 3 150 40 10 182.00
409052
IBC 163 247 3 150 63 5 105.00
409053
IBC 163 247 3 150 63 10 182.00
409054
IBC 220 262 3 200 6 5 122.00
409055
IBC 220 262 3 200 6 10 203.00
409056
IBC 220 273 3 200 16 5 122.00
409057
IBC 220 273 3 200 16 10 203.00
409058
IBC 220 284 3 200 25 5 122.00
409059
IBC 220 284 3 200 25 10 203.00
409060
IBC 220 290 3 200 40 5 122.00
409061
IBC 220 290 3 200 40 10 203.00
409062
IBC 210 309 3 200 63 5 122.00
409063
IBC 210 309 3 200 63 10 203.00
409064
TG 29 39 3 15 10 34.00
409065
TG 29 39 3 15 20 59.00
409066
TG 36 50 3 20 10 48.00
409067
TG 36 50 3 20 20 83.00
409068
TG 43 57 3 25 10 48.00
409069
TG 43 57 3 25 20 83.00
409070
TG 51 65 3 32 10 59.00
409071
TG 51 65 3 32 20 101.00
409072
TG 61 75 3 40 10 59.00
409073
TG 61 75 3 40 20 101.00
409074
TG 73 87 3 50 10 69.00
409075
TG 73 87 3 50 20 117.00
409076
TG 95 109 3 65 10 100.00
409077
TG 95 109 3 65 20 169.00
409078
TG 106 120 3 80 10 109.00
409079
TG 106 120 3 80 20 182.00
409080
TG 129 149 3 100 10 118.00
409081
TG 129 149 3 100 20 196.00
409082
TG 155 175 3 125 5 89.00
409083
TG 155 175 3 125 10 155.00
409084
TG 183 203 3 150 5 105.00
409085
TG 183 203 3 150 10 182.00
409086
TG 239 259 3 200 5 122.00
409087
TG 239 259 3 200 10 203.00
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