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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 RAE 34,65x1,78 L1 [2ERAE077] RAE 03465 00178 L1 Back up ring RAE 34,65x1,78 L1 [2ERAE077] Artic seals 6 weeks
Static seal SSA 34x28,4x5,3 [2ESSA647] SSA 0340 0284 053 C0 Static seal SSA 34x28,4x5,3 [2ESSA647] Artic seals 54
Static seal SSA 34x30x5 [2ESSA098] SSA 0340 0300 050 C0 Static seal SSA 34x30x5 [2ESSA098] Artic seals 43
Back up ring AM 35x40x1,3 48005653 Back up ring AM 35x40x1,3 Aston seals 129
Back up ring K81 35x40x1,3 K81-035 Back up ring K81 35x40x1,3 Kastas 14
Back up ring MAE 33x38x1,3 L1 MAE 0330 0380 013 L1 Back up ring MAE 33x38x1,3 L1 Artic seals 6 weeks
Back up ring MAE 35x40x1,3 L1 MAE 0350 0400 013 L1 Back up ring MAE 35x40x1,3 L1 Artic seals 1
Static seal K83 35x39,5x4,5 K83-035 PU Static seal K83 35x39,5x4,5 Kastas 27
Static seal K85 35x30,5x4,5 PU K85-035 PU Static seal K85 35x30,5x4,5 PU Kastas 18
Static seal SSA 35x30,4x5 [2ESSA100] SSA 0350 0304 050 C0 Static seal SSA 35x30,4x5 [2ESSA100] Artic seals request
Static seal SSA 35x30,5x4,5 C0 [2ESSA796] SSA 0350 0305 045 C0 Static seal SSA 35x30,5x4,5 C0 [2ESSA796] Artic seals 24
Static seal SSA 35x31x5 [2ESSA101] SSA 0350 0310 050 C0 Static seal SSA 35x31x5 [2ESSA101] Artic seals 40
Static seal SSA 35x32x3,5 [2ESSA102] SSA 0350 0320 035 C0 Static seal SSA 35x32x3,5 [2ESSA102] Artic seals 6 weeks
Back up ring K81-36x40x1,8 K81-036/1 Back up ring K81-36x40x1,8 Kastas 12
Back up ring MAE 36x44x1,5 L1 MAE 0360 0440 015 L1 Back up ring MAE 36x44x1,5 L1 Artic seals 6 weeks
Back up ring RAE 36,09x3,53 L1 [2ERAE381] RAE 03609 00353 L1 Back up ring RAE 36,09x3,53 L1 [2ERAE381] Artic seals 118
Back up ring RAE 36,14x2,62 L1 [2ERAE209] RAE 03614 00262 L1 Back up ring RAE 36,14x2,62 L1 [2ERAE209] Artic seals 6 weeks
Flange seal 36,1x44,5x2,85 PU A402 PU A402-036,10 Flange seal 36,1x44,5x2,85 PU A402 PU ALP 860
Flange seal 36,2x45,0x3,30 PU A402 PU A402-036,20 Flange seal 36,2x45,0x3,30 PU A402 PU ALP 343
Flange seal FSA 36,10x44,50x2,85 PU 1,1/4" [2EFSA148] FSA 1250 C0 Flange seal FSA 36,10x44,50x2,85 PU 1,1/4" [2EFSA148] Artic seals request
Static seal K82 36,10x44,50x2,85 PU 1,1/4" K82-036,10 PU Static seal K82 36,10x44,50x2,85 PU 1,1/4" Kastas 21
Static seal K82 36,10x44,50x2,85 PU 1,1/4" Static seal K82 36,10x44,50x2,85 PU 1,1/4" Kastas request
Static seal SSA 36x30,4x4,5 [2ESSA104] SSA 0360 0304 045 C0 Static seal SSA 36x30,4x4,5 [2ESSA104] Artic seals 6 weeks
Static seal SSA 36x32x5 [2ESSA105] SSA 0360 0320 050 C0 Static seal SSA 36x32x5 [2ESSA105] Artic seals 50
Back up ring AP 37,69x3,53 48005811 Back up ring AP 37,69x3,53 Aston seals 70
Back up ring MAE 37x42x1,3 L1 [2EMAE168] MAE 0370 0420 013 L1 Back up ring MAE 37x42x1,3 L1 [2EMAE168] Artic seals 39
Back up ring RAE 37,47x5,34 L1 [2ERAE673] RAE 03747 00534 L1 Back up ring RAE 37,47x5,34 L1 [2ERAE673] Artic seals 6 weeks
Back up ring RAE 37,69x3,53 L1 [2ERAE385] RAE 03769 00353 L1 Back up ring RAE 37,69x3,53 L1 [2ERAE385] Artic seals 29
Back up ring RAE 37,77x2,62 L1 [2ERAE213] RAE 03777 00262 L1 Back up ring RAE 37,77x2,62 L1 [2ERAE213] Artic seals 6 weeks
Back up ring RAE 37,82x1,78 L1 [2ERAE081] RAE 03782 00178 L1 Back up ring RAE 37,82x1,78 L1 [2ERAE081] Artic seals 6 weeks
Static seal SSA 37x30,8x4,5 [2ESSA109] SSA 0370 0308 045 C0 Static seal SSA 37x30,8x4,5 [2ESSA109] Artic seals 6 weeks
Back up ring K81 38,1x50,8x3,0 PU 48001436 Back up ring K81 38,1x50,8x3,0 PU unknown 10
Back up ring MAE 38x42x1,3 L1 MAE 0380 0420 013 L1 Back up ring MAE 38x42x1,3 L1 Artic seals 50
DIN3869 seal 38,8x45,8x2 (G 1 1/4 A) NBR 48004312 DIN3869 seal 38,8x45,8x2 (G 1 1/4 A) NBR OEM 201
Static seal SSA 38,6x34x4 [2ESSA116] SSA 0386 0340 040 C0 Static seal SSA 38,6x34x4 [2ESSA116] Artic seals 38
Static seal SSA 38x31,8x4,5 [2ESSA113] SSA 0380 0318 045 C0 Static seal SSA 38x31,8x4,5 [2ESSA113] Artic seals 40
Static seal SSA 38x32,4x4,5 [2ESSA114] SSA 0380 0324 045 C0 Static seal SSA 38x32,4x4,5 [2ESSA114] Artic seals 6 weeks
Static seal US 38,96x47,75x3,25 NBR 999004 Static seal US 38,96x47,75x3,25 NBR OEM request
Back up ring RAE 39,34x2,62 L1 [2ERAE217] RAE 03934 00262 L1 Back up ring RAE 39,34x2,62 L1 [2ERAE217] Artic seals 6 weeks
Back up ring RAE 39,69x3,53 L1 [2ERAE389] RAE 03969 00353 L1 Back up ring RAE 39,69x3,53 L1 [2ERAE389] Artic seals 43
Static seal SSA 39x33,4x5,3 [2ESSA117] SSA 0390 0334 053 C0 Static seal SSA 39x33,4x5,3 [2ESSA117] Artic seals 6 weeks
Back up ring AM 40x45x1,3 48005655 Back up ring AM 40x45x1,3 Aston seals 9
Back up ring AM 40x50x1,7 48005656 Back up ring AM 40x50x1,7 Aston seals 79
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 23
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 30
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
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