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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
Rod diameter d (mm)
Groove Diameter d (mm)
Groove Diameter D (mm)
Seal width h (mm)
O-ring dimension
Inside diameter
Cross section
Details
Seal type
Manufacturers
Manufacturers
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Photo Code Name Producer Stock
Back up ring K81 52x60x1,9 K81-052 Back up ring K81 52x60x1,9 Kastas request
Back up ring RAE 52,07x2,62 L1 [2ERAE249] RAE 05207 00262 L1 Back up ring RAE 52,07x2,62 L1 [2ERAE249] Artic seals 6 weeks
Back up ring RAE 52,39x3,53 L1 [2ERAE437] RAE 05239 00353 L1 Back up ring RAE 52,39x3,53 L1 [2ERAE437] Artic seals 32
Static seal GDS/OR 52,4x3,53 PU GDS-832 Static seal GDS/OR 52,4x3,53 PU Guarnitec 17
Static seal SSA 52x46,6x6,2 [2ESSA181] SSA 0520 0466 062 C0 Static seal SSA 52x46,6x6,2 [2ESSA181] Artic seals 6 weeks
Back up ring AM 53x63x1,7 48005663 Back up ring AM 53x63x1,7 Aston seals 60
Back up ring K81 53,7x59,5x1 K81-053/2 Back up ring K81 53,7x59,5x1 Kastas 7
Back up ring K81 53,7x60x1,9 K81-053 Back up ring K81 53,7x60x1,9 Kastas 10
Back up ring K81 53x63x1,7 K81-053/1 Back up ring K81 53x63x1,7 Kastas 20
Back up ring MAE 53x63x1,7 L1 MAE 0530 0630 017 L1 Back up ring MAE 53x63x1,7 L1 Artic seals request
Back up ring RAE 53,34x5,34 L1 [2ERAE693] RAE 05334 00534 L1 Back up ring RAE 53,34x5,34 L1 [2ERAE693] Artic seals 60
Back up ring RAE 53,57x3,53 L1 [2ERAE441] RAE 05357 00353 L1 Back up ring RAE 53,57x3,53 L1 [2ERAE441] Artic seals 68
Back up ring RAE 53,65x2,62 L1 [2ERAE253] RAE 05365 00262 L1 Back up ring RAE 53,65x2,62 L1 [2ERAE253] Artic seals 6 weeks
Back up ring RAE 53,70x1,78 L1 [2ERAE252] RAE 05370 00178 L1 Back up ring RAE 53,70x1,78 L1 [2ERAE252] Artic seals 6 weeks
Back up ring RAE 53,98x3,53 L1 [2ERAE445] RAE 05398 00353 L1 Back up ring RAE 53,98x3,53 L1 [2ERAE445] Artic seals 18
Static seal SSA 53x48x3,6 [2ESSA505] SSA 0530 0480 036 C0 Static seal SSA 53x48x3,6 [2ESSA505] Artic seals 6 weeks
Static seal SSA 53x48x5,4 PU SSA 0530 0480 054 C0 Static seal SSA 53x48x5,4 PU Artic seals 109
Static seal K85 54x49,5x4,5 PU K85-054 PU Static seal K85 54x49,5x4,5 PU Kastas 17
Static seal SSA 54,4x48,7x5,3 [2ESSA185] SSA 0544 0487 053 C0 Static seal SSA 54,4x48,7x5,3 [2ESSA185] Artic seals 6 weeks
Static seal SSA 54x48,1x4,5 [2ESSA657] SSA 0540 0481 045 C0 Static seal SSA 54x48,1x4,5 [2ESSA657] Artic seals 6 weeks
Back up ring AM 55x60x1,3 48005665 Back up ring AM 55x60x1,3 Aston seals 31
Back up ring AM 55x65x1,7 48005666 Back up ring AM 55x65x1,7 Aston seals 43
Back up ring K81 55,7x60x1,3 K81-055/1 Back up ring K81 55,7x60x1,3 Kastas 13
Back up ring K81 55x59,8x2 K81-055/3 Back up ring K81 55x59,8x2 Kastas 18
Back up ring K81 55x60x1,3 K81-055/5 Back up ring K81 55x60x1,3 Kastas 20
Back up ring K81 55x63x1,9 K81-055 Back up ring K81 55x63x1,9 Kastas 34
Back up ring MAE 55x49,4x1,4 L1 MAE 0550 0494 014 L1 Back up ring MAE 55x49,4x1,4 L1 Artic seals 19
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 1
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 45
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 27
Static seal SSA 55x49,6x4,8 C0 [2ESSA691] SSA 0550 0496 048 C0 Static seal SSA 55x49,6x4,8 C0 [2ESSA691] Artic seals 40
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 37
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 K81 56x60,5x1,3 K81-056 Back up ring K81 56x60,5x1,3 Kastas 9
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 17
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 K81 57,6x63x2 K81-057 Back up ring K81 57,6x63x2 Kastas 33
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
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