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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)
Details
Seal type
Manufacturers
Manufacturers
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Photo Code Name Producer Stock
Back up ring AP 50,47x2,62 48005777 Back up ring AP 50,47x2,62 Aston seals 69
Back up ring K81 50x55x1,3 K81-050 Back up ring K81 50x55x1,3 Kastas 19
Back up ring K81 50x60x1,7 K81-050/2 Back up ring K81 50x60x1,7 Kastas 12
Back up ring MAE 50x55x1,3 L1 MAE 0500 0550 013 L1 Back up ring MAE 50x55x1,3 L1 Artic seals request
Back up ring MAE 50x60x1,7 L1 [2EMAE145] MAE 0500 0600 017 L1 Back up ring MAE 50x60x1,7 L1 [2EMAE145] Artic seals request
Back up ring RAE 50,16x5,34 L1 [2ERAE689] RAE 05016 00534 L1 Back up ring RAE 50,16x5,34 L1 [2ERAE689] Artic seals 33
Back up ring RAE 50,39x3,53 L1 [2ERAE429] RAE 05039 00353 L1 Back up ring RAE 50,39x3,53 L1 [2ERAE429] Artic seals 41
Back up ring RAE 50,47x2,62 L1 [2ERAE245] RAE 05047 00262 L1 Back up ring RAE 50,47x2,62 L1 [2ERAE245] Artic seals 6 weeks
Back up ring RAE 50,52x1,78 L1 [2ERAE097] RAE 05052 00178 L1 Back up ring RAE 50,52x1,78 L1 [2ERAE097] Artic seals 6 weeks
Back up ring RAE 50,80x3,53 L1 [2ERAE433] RAE 05080 00353 L1 Back up ring RAE 50,80x3,53 L1 [2ERAE433] Artic seals 32
Buffer seal 50,8x63,6x3,1 RB08 PU 48001438 Buffer seal 50,8x63,6x3,1 RB08 PU OEM 64
Static seal K83 50x58x6,4 PU K83-050 PU Static seal K83 50x58x6,4 PU Kastas 26
Static seal K84 50x44,4x4,8 PU K84-050/1 PU Static seal K84 50x44,4x4,8 PU Kastas 11
Static seal K84 50x44,4x6,2 PU K84-050 PU Static seal K84 50x44,4x6,2 PU Kastas 25
Static seal K85 50x44,6x6,2 PU K85-050/1 PU S Static seal K85 50x44,6x6,2 PU Kastas 16
Static seal K85 50x44,6x6,2 PU K85-050/1 PU Static seal K85 50x44,6x6,2 PU Kastas 18
Static seal K85 50x45,4x5,4 PU K85-050 PU Static seal K85 50x45,4x5,4 PU Kastas 17
Static seal K85 50x45,4x5,4 PU K85-050 PU S Static seal K85 50x45,4x5,4 PU Kastas 10
Static seal SSA 50,5x45,5x4,2 [2ESSA178] SSA 0505 0455 042 C0 Static seal SSA 50,5x45,5x4,2 [2ESSA178] Artic seals 46
Static seal SSA 50,5x46x3,5 [2ESSA653] SSA 0505 0460 035 C0 Static seal SSA 50,5x46x3,5 [2ESSA653] Artic seals 94
Static seal SSA 50,6x44,5x5,5 [2ESSA656] SSA 0506 0445 055 C0 Static seal SSA 50,6x44,5x5,5 [2ESSA656] Artic seals 84
Static seal SSA 50,8x45,2x5,3 [2ESSA179] SSA 0508 0452 053 C0 Static seal SSA 50,8x45,2x5,3 [2ESSA179] Artic seals 64
Static seal SSA 50x40,6x6,6 [2ESSA803] SSA 0500 0406 066 C0 Static seal SSA 50x40,6x6,6 [2ESSA803] Artic seals 9
Static seal SSA 50x43,8x5,6 [2ESSA626] SSA 0500 0438 056 C0 Static seal SSA 50x43,8x5,6 [2ESSA626] Artic seals 6 weeks
Static seal SSA 50x43,8x6 PU SSA 0500 0438 060 C0 Static seal SSA 50x43,8x6 PU Artic seals 1
Static seal SSA 50x44,4x5,3 PU SSA 0500 0444 053 C0 Static seal SSA 50x44,4x5,3 PU Artic seals 57
Static seal SSA 50x44,6x6,2 PU SSA 0500 0446 062 C0 Static seal SSA 50x44,6x6,2 PU Artic seals 97
Static seal SSA 50x45,4x3,9 C0 [2ESSA674] SSA 0500 0454 039 C0 Static seal SSA 50x45,4x3,9 C0 [2ESSA674] Artic seals request
Static seal SSA 50x45,4x5,4 [2ESSA174] SSA 0500 0454 054 C0 Static seal SSA 50x45,4x5,4 [2ESSA174] Artic seals 32
Static seal SSA 50x46,1x4,2 [2ESSA212] SSA 0500 0461 042 C0 Static seal SSA 50x46,1x4,2 [2ESSA212] Artic seals 6 weeks
Static seal SSA 50x47,5x3,6 [2ESSA177] SSA 0500 0475 036 C0 Static seal SSA 50x47,5x3,6 [2ESSA177] Artic seals 6 weeks
Back up ring MAE 51,5x45,9x1,4 L1 MAE 0515 0459 014 L1 Back up ring MAE 51,5x45,9x1,4 L1 Artic seals 6 weeks
Static seal BDSL 51,69x63,50x3,25 48007004 Static seal BDSL 51,69x63,50x3,25 OEM request
Static seal K84-51x46,4x3,9 PU K84-051 PU Static seal K84-51x46,4x3,9 PU Kastas 11
Static seal SSA 51x46,4x3,9 [2ESSA643] SSA 0510 0464 039 C0 Static seal SSA 51x46,4x3,9 [2ESSA643] Artic seals 6 weeks
Static seal SSA 51x46,5x3,5 PU SSA 0510 0465 035 C0 Static seal SSA 51x46,5x3,5 PU Artic seals 1302
Static seal SSA 51x46,5x5 [2ESSA613] SSA 0510 0465 050 C0 Static seal SSA 51x46,5x5 [2ESSA613] Artic seals 6 weeks
Back up ring AP 52,07x2,62 48005778 Back up ring AP 52,07x2,62 Aston seals 21
Back up ring AP 52,39x3,53 48005824 Back up ring AP 52,39x3,53 Aston seals 30
Back up ring K81 52x60x1,9 K81-052 Back up ring K81 52x60x1,9 Kastas 13
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 18
Static seal GDS/OR 52,4x3,53 PU GDS-832 Static seal GDS/OR 52,4x3,53 PU Guarnitec 35
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 52
Back up ring AP 53,57x3,53 48005825 Back up ring AP 53,57x3,53 Aston seals 61
Back up ring K81 53,7x59,5x1 K81-053/2 Back up ring K81 53,7x59,5x1 Kastas 10
Back up ring K81 53,7x60x1,9 K81-053 Back up ring K81 53,7x60x1,9 Kastas 18
Back up ring K81 53x63x1,7 K81-053/1 Back up ring K81 53x63x1,7 Kastas 11
Back up ring MAE 53x63x1,7 L1 MAE 0530 0630 017 L1 Back up ring MAE 53x63x1,7 L1 Artic seals request
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