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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
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25
Photo Code Name Producer Stock
Back up ring AM 40x50x1,7 48005656 Back up ring AM 40x50x1,7 Aston seals 49
Back up ring AP 40,87x3,53 48005813 Back up ring AP 40,87x3,53 Aston seals 80
Back up ring AP 40,95x2,62 48005771 Back up ring AP 40,95x2,62 Aston seals 80
Back up ring K81 40,7x45x1,3 K81-040/2 Back up ring K81 40,7x45x1,3 Kastas 2
Back up ring K81 40x45x1,3 K81-040 Back up ring K81 40x45x1,3 Kastas 13
Back up ring MAE 40x45x1,3 L1 MAE 0400 0450 013 L1 Back up ring MAE 40x45x1,3 L1 Artic seals request
Back up ring MAE 40x50x1,7 L1 [2EMAE038] MAE 0400 0500 017 L1 Back up ring MAE 40x50x1,7 L1 [2EMAE038] Artic seals request
Back up ring RAE 40,65x5,34 L1 [2ERAE677] RAE 04065 00534 L1 Back up ring RAE 40,65x5,34 L1 [2ERAE677] Artic seals 25
Back up ring RAE 40,87x3,53 L1 [2ERAE393] RAE 04087 00353 L1 Back up ring RAE 40,87x3,53 L1 [2ERAE393] Artic seals 28
Back up ring RAE 40,95x2,62 L1 [2ERAE221] RAE 04095 00262 L1 Back up ring RAE 40,95x2,62 L1 [2ERAE221] Artic seals 6 weeks
RAA 40x50x2 R2 [2ERAA163] RAA 0400 0500 020 R2 RAA 40x50x2 R2 [2ERAA163] Artic seals 77
Static seal K83 40x46x3 PU K83-040 PU Static seal K83 40x46x3 PU Kastas 24
Static seal K84 40x32,8x3,4 PU K84-040/1 PU Static seal K84 40x32,8x3,4 PU Kastas 33
Static seal K84 40x33,5x4,8 PU K84-040 PU Static seal K84 40x33,5x4,8 PU Kastas 19
Static seal K85 40x35,2x5,4 PU K85-040 PU Static seal K85 40x35,2x5,4 PU Kastas 28
Static seal SSA 40x33,8x6 [2ESSA119] SSA 0400 0338 060 C0 Static seal SSA 40x33,8x6 [2ESSA119] Artic seals 40
Static seal SSA 40x34,4x4,8 PU SSA 0400 0344 048 C0 Static seal SSA 40x34,4x4,8 PU Artic seals 89
Static seal SSA 40x35,4x5,4 [2ESSA123] SSA 0400 0354 054 C0 Static seal SSA 40x35,4x5,4 [2ESSA123] Artic seals 126
Static seal SSA 40x36x5 [2ESSA125] SSA 0400 0360 050 C0 Static seal SSA 40x36x5 [2ESSA125] Artic seals 63
Static seal SSA 40x37x3,3 [2ESSA126] SSA 0400 0370 033 C0 Static seal SSA 40x37x3,3 [2ESSA126] Artic seals 6 weeks
Back up ring AP 41,28x3,53 48005814 Back up ring AP 41,28x3,53 Aston seals 80
Back up ring RAE 41,00x1,78 L1 [2ERAE085] RAE 04100 00178 L1 Back up ring RAE 41,00x1,78 L1 [2ERAE085] Artic seals 6 weeks
Back up ring RAE 41,28x3,53 L1 [2ERAE397] RAE 04128 00353 L1 Back up ring RAE 41,28x3,53 L1 [2ERAE397] Artic seals 6
Static seal SSA 41x36x3,7 [2ESSA639] SSA 0410 0360 037 C0 Static seal SSA 41x36x3,7 [2ESSA639] Artic seals 523
Static seal SSA 41x37x3,4 [2ESSA641] SSA 0410 0370 034 C0 Static seal SSA 41x37x3,4 [2ESSA641] Artic seals 6 weeks
Back up ring AM 42,5x50x2 48005657 Back up ring AM 42,5x50x2 Aston seals 78
Back up ring AP 42,86x3,53 48005815 Back up ring AP 42,86x3,53 Aston seals 80
Back up ring RAE 42,52x2,62 L1 [2ERAE225] RAE 04252 00262 L1 Back up ring RAE 42,52x2,62 L1 [2ERAE225] Artic seals 6 weeks
Back up ring RAE 42,86x3,53 L1 [2ERAE401] RAE 04286 00353 L1 Back up ring RAE 42,86x3,53 L1 [2ERAE401] Artic seals request
Static seal GDS/OR 42,86x49,76x4,0 [72,86x3,53] GDS-826 Static seal GDS/OR 42,86x49,76x4,0 [72,86x3,53] OEM 10
Static seal K83 42x50x6,4 K83-042 PU Static seal K83 42x50x6,4 Kastas 24
Static seal SSA 42x36,4x4,8 PU SSA 0420 0364 048 C0 Static seal SSA 42x36,4x4,8 PU Artic seals 123
Static seal SSA 42x38x3,2 [2ESSA132] SSA 0420 0380 032 C0 Static seal SSA 42x38x3,2 [2ESSA132] Artic seals 6 weeks
Static seal SSA 42x38x5 [2ESSA133] SSA 0420 0380 050 C0 Static seal SSA 42x38x5 [2ESSA133] Artic seals 6 weeks
Static seal US 42,93x52,38x3,25 NBR 48005043 Static seal US 42,93x52,38x3,25 NBR OEM request
Back up ring AM 43x48x1,3 48005658 Back up ring AM 43x48x1,3 Aston seals 80
Back up ring MAE 43x48x1,3 L1 MAE 0430 0480 013 L1 Back up ring MAE 43x48x1,3 L1 Artic seals 81
Back up ring RAE 43,82x5,34 L1 [2ERAE681] RAE 04382 00534 L1 Back up ring RAE 43,82x5,34 L1 [2ERAE681] Artic seals 6 weeks
Static seal SSA 43x37,4x5,3 [2ESSA135] SSA 0430 0374 053 C0 Static seal SSA 43x37,4x5,3 [2ESSA135] Artic seals 6 weeks
Back up ring AP 44,04x3,53 48005816 Back up ring AP 44,04x3,53 Aston seals 60
Back up ring AP 44,12x2,62 48005773 Back up ring AP 44,12x2,62 Aston seals 80
Back up ring AP 44,45x3,53 48005817 Back up ring AP 44,45x3,53 Aston seals 78
Back up ring RAE 44,04x3,53 L1 [2ERAE405] RAE 04404 00353 L1 Back up ring RAE 44,04x3,53 L1 [2ERAE405] Artic seals 4
Back up ring RAE 44,12x2,62 L1 [2ERAE229] RAE 04412 00262 L1 Back up ring RAE 44,12x2,62 L1 [2ERAE229] Artic seals 50
Back up ring RAE 44,17x1,78 L1 [2ERAE089] RAE 04417 00178 L1 Back up ring RAE 44,17x1,78 L1 [2ERAE089] Artic seals 6 weeks
Back up ring RAE 44,45x3,53 L1 [2ERAE409] RAE 04445 00353 L1 Back up ring RAE 44,45x3,53 L1 [2ERAE409] Artic seals 17
Static seal K85 44x39,5x4,5 PU K85-044 PU Static seal K85 44x39,5x4,5 PU Kastas 12
Static seal SSA 44,5x38,5x5,3 PU SSA 0445 0385 053 C0 Static seal SSA 44,5x38,5x5,3 PU Artic seals 54
Back up ring AM 45x50x1,3 48005660 Back up ring AM 45x50x1,3 Aston seals request
Back up ring AM 45x55x1,7 48005661 Back up ring AM 45x55x1,7 Aston seals 80
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