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Static seals

Static seals

Static seals are used to prevent fluid leakage between stationary components in hydraulic and pneumatic systems. Unlike dynamic seals, static seals do not move relative to each other but must resist high pressure and maintain sealing integrity over time.

Backup rings support primary sealing elements like O-rings by preventing their extrusion under pressure. These rings are typically made from hard polymers such as PTFE or nylon, increasing the durability of the sealing system.

Static sealing rings provide tight sealing between fixed parts such as flange connections or valve seats. They can be made from elastomers, plastics, or composites depending on the application requirements.

Key features include high resistance to extrusion and deformation, compatibility with various fluids and temperatures, and precise dimensions to ensure reliable sealing.

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Hydraulic seals dimension
Groove Diameter d (mm)
Groove Diameter D (mm)
Seal width h (mm)
Details
Seal type
Manufacturers
Manufacturers
38
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37
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25
Photo Code Name Producer Stock
Back up ring MAE 55x49,4x1,4 L1 MAE 0550 0494 014 L1 Back up ring MAE 55x49,4x1,4 L1 Artic seals 49
Back up ring MAE 55x60x1,3 L1 MAE 0550 0600 013 L1 Back up ring MAE 55x60x1,3 L1 Artic seals request
Back up ring MAE 55x65x1,7 L1 MAE 0550 0650 017 L1 Back up ring MAE 55x65x1,7 L1 Artic seals request
Back up ring RAE 55,25x2,62 L1 [2ERAE257] RAE 05525 00262 L1 Back up ring RAE 55,25x2,62 L1 [2ERAE257] Artic seals 6 weeks
Back up ring RAE 55,56x3,53 L1 [2ERAE449] RAE 05556 00353 L1 Back up ring RAE 55,56x3,53 L1 [2ERAE449] Artic seals 17
Flange seal 55,0x63,4x2,85 PU A402 PU A402-055 Flange seal 55,0x63,4x2,85 PU A402 PU ALP 50
Flange seal FSA 55,1x63,5x2,85 C0 2" [2EFSA246] FSA 2000 C0 Flange seal FSA 55,1x63,5x2,85 C0 2" [2EFSA246] Artic seals 75
Static seal K82 55x63,40x2,85 PU K82-055 PU Static seal K82 55x63,40x2,85 PU Kastas 23
Static seal K83 55x60,4x6,2 PU K83-055 PU Static seal K83 55x60,4x6,2 PU Kastas 7
Static seal SSA 55x49,6x4,8 C0 [2ESSA691] SSA 0550 0496 048 C0 Static seal SSA 55x49,6x4,8 C0 [2ESSA691] Artic seals 39
Static seal SSA 55x49,6x6,2 PU SSA 0550 0496 062 C0 Static seal SSA 55x49,6x6,2 PU Artic seals 83
Static seal SSA 55x49,9x5,3 [2ESSA193] SSA 0550 0499 053 C0 Static seal SSA 55x49,9x5,3 [2ESSA193] Artic seals 85
Static seal SSA 55x50,5x5 [2ESSA634] SSA 0550 0505 050 C0 Static seal SSA 55x50,5x5 [2ESSA634] Artic seals 60
Static seal SSA 55x50,5x6,4 [2ESSA635] SSA 0550 0505 064 C0 Static seal SSA 55x50,5x6,4 [2ESSA635] Artic seals 6 weeks
Static seal SSA 55x50x6,7 [2ESSA630] SSA 0550 0500 067 C0 Static seal SSA 55x50x6,7 [2ESSA630] Artic seals 6 weeks
Static seal SSA 55x51x3,5 [2ESSA197] SSA 0550 0510 035 C0 Static seal SSA 55x51x3,5 [2ESSA197] Artic seals 6 weeks
Back up ring AP 56,82x2,62 48005781 Back up ring AP 56,82x2,62 Aston seals 79
Back up ring K81 56x60,5x1,3 K81-056 Back up ring K81 56x60,5x1,3 Kastas 19
Back up ring RAE 56,52x5,34 L1 [2ERAE697] RAE 05652 00534 L1 Back up ring RAE 56,52x5,34 L1 [2ERAE697] Artic seals 60
Back up ring RAE 56,74x3,53 L1 [2ERAE453] RAE 05674 00353 L1 Back up ring RAE 56,74x3,53 L1 [2ERAE453] Artic seals 11
Back up ring RAE 56,82x2,62 L1 [2ERAE261] RAE 05682 00262 L1 Back up ring RAE 56,82x2,62 L1 [2ERAE261] Artic seals 6 weeks
Back up ring RAE 56,87x1,78 L1 [2ERAE267] RAE 05687 00178 L1 Back up ring RAE 56,87x1,78 L1 [2ERAE267] Artic seals 6 weeks
Back up ring AP 57,15x3,53 48005829 Back up ring AP 57,15x3,53 Aston seals 80
Back up ring K81 57,6x63x2 K81-057 Back up ring K81 57,6x63x2 Kastas 27
Back up ring RAE 57,15x3,53 L1 [2ERAE457] RAE 05715 00353 L1 Back up ring RAE 57,15x3,53 L1 [2ERAE457] Artic seals request
Static seal GDS/OR 57,15x3,53 PU GDS-835 Static seal GDS/OR 57,15x3,53 PU Guarnitec 42
Static seal GDS/OR 57,71x65,79x4,0 [58,74x3,53] PU GDS-836 Static seal GDS/OR 57,71x65,79x4,0 [58,74x3,53] PU OEM 19
Static seal SSA 57,2x51,2x5,3 [2ESSA205] SSA 0572 0512 053 C0 Static seal SSA 57,2x51,2x5,3 [2ESSA205] Artic seals 6 weeks
Static seal SSA 57x52,2x4,1 [2ESSA201] SSA 0570 0522 041 C0 Static seal SSA 57x52,2x4,1 [2ESSA201] Artic seals 6 weeks
Back up ring AM 58x63x1,3 48005668 Back up ring AM 58x63x1,3 Aston seals 10
Back up ring AP 58,74x3,53 48005830 Back up ring AP 58,74x3,53 Aston seals 35
Back up ring K81 58,7x65x1,9 K81-058/2 Back up ring K81 58,7x65x1,9 Kastas 20
Back up ring MAE 58x63x1,3 L1 [2EMAE171] MAE 0580 0630 013 L1 Back up ring MAE 58x63x1,3 L1 [2EMAE171] Artic seals 26
Back up ring RAE 58,42x2,62 L1 [2ERAE265] RAE 05842 00262 L1 Back up ring RAE 58,42x2,62 L1 [2ERAE265] Artic seals 6 weeks
Back up ring RAE 58,74x3,53 L1 [2ERAE461] RAE 05874 00353 L1 Back up ring RAE 58,74x3,53 L1 [2ERAE461] Artic seals request
Static seal K85 58x53,4x3,9 PU K85-058 PU Static seal K85 58x53,4x3,9 PU Kastas 10
Back up ring AP 59,69x5,34 48005878 Back up ring AP 59,69x5,34 Aston seals 80
Back up ring K81 59x63,5x1,3 K81-059 Back up ring K81 59x63,5x1,3 Kastas 5
Back up ring RAE 59,69x5,34 L1 [2ERAE701] RAE 05969 00534 L1 Back up ring RAE 59,69x5,34 L1 [2ERAE701] Artic seals 16
Back up ring RAE 59,92x3,53 L1 [2ERAE465] RAE 05992 00353 L1 Back up ring RAE 59,92x3,53 L1 [2ERAE465] Artic seals 81
Back up ring AM 60x65x1,3 48004920 Back up ring AM 60x65x1,3 Aston seals 41
Back up ring AM 60x70x1,7 48004921 Back up ring AM 60x70x1,7 Aston seals 100
Back up ring K81 60x65x1,3 K81-060/2 Back up ring K81 60x65x1,3 Kastas 13
Back up ring K81 60x70x1,7 K81-060/1 Back up ring K81 60x70x1,7 Kastas 29
Back up ring MAE 60x65x1,3 L1 MAE 0600 0650 013 L1 Back up ring MAE 60x65x1,3 L1 Artic seals request
Back up ring MAE 60x68x2,0 L1 MAE 0600 0680 020 L1 Back up ring MAE 60x68x2,0 L1 Artic seals 6 weeks
Back up ring RAE 60,00x2,62 L1 [2ERAE269] RAE 06000 00262 L1 Back up ring RAE 60,00x2,62 L1 [2ERAE269] Artic seals 6 weeks
Back up ring RAE 60,05x1,78 L1 [2ERAE270] RAE 06005 00178 L1 Back up ring RAE 60,05x1,78 L1 [2ERAE270] Artic seals 6 weeks
Back up ring RAE 60,33x3,53 L1 [2ERAE469] RAE 06033 00353 L1 Back up ring RAE 60,33x3,53 L1 [2ERAE469] Artic seals 76
Flange seal 60,2x69,0x3,30 PU A402 PU A402-060,20 Flange seal 60,2x69,0x3,30 PU A402 PU ALP 94
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