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Special seals

Special seals

Special seals are designed for demanding applications where standard sealing elements are insufficient. We offer:

  • Sealing rings for high-pressure washers – resistant to pressurized water and fluctuating temperatures. Made from abrasion-resistant materials to ensure long service life and tightness in cleaning systems.

  • Rotary seals for excavator slewing columns – used in the rotating joints of construction equipment. These seals prevent hydraulic oil leakage and protect against ingress of dirt and moisture.

  • Custom seals – manufactured according to customer specifications, including non-standard shapes, materials, or operating conditions (e.g., high pressure, unusual media, extreme temperatures).

Thanks to advanced materials and precision engineering, our special seals provide durability and performance even in the harshest operating environments.

Photo Code Name Producer Stock
Rotary seal K702-8x12,9x2,2 TB+NBR CNC 48004453 Rotary seal K702-8x12,9x2,2 TB+NBR CNC Kastas 7
LOW PRESSURE SEAL K152 12x20x5,8 K152-012 LOW PRESSURE SEAL K152 12x20x5,8 Kastas 16
Rotary seal K702 12x16,9x2,2 48005457 Rotary seal K702 12x16,9x2,2 Kastas 34
HIGH PRESSURE SEAL K151 14x24x7 K151-014 HIGH PRESSURE SEAL K151 14x24x7 Kastas 14
LOW PRESSURE SEAL K152 14x22x5,7 K152-014/1 LOW PRESSURE SEAL K152 14x22x5,7 Kastas 14
LOW PRESSURE SEAL K152 14x22x6,5 K152-014 LOW PRESSURE SEAL K152 14x22x6,5 Kastas 18
HIGH PRESSURE SEAL K151 15x24x7,25 K151-015 HIGH PRESSURE SEAL K151 15x24x7,25 Kastas 13
HIGH PRESSURE SEAL K151 16x26x7 K151-016 HIGH PRESSURE SEAL K151 16x26x7 Kastas 20
LOW PRESSURE SEAL K152 16x24x4,6 K152-016/2 LOW PRESSURE SEAL K152 16x24x4,6 Kastas 27
LOW PRESSURE SEAL K152 16x24x5,8 [6.365-354] K152-016/1 LOW PRESSURE SEAL K152 16x24x5,8 [6.365-354] Kastas 11
LOW PRESSURE SEAL K152 16x24x6,5 K152-016 LOW PRESSURE SEAL K152 16x24x6,5 Kastas 10
Rotary seal K702 16x21x2u TB+NBR 48002476 Rotary seal K702 16x21x2u TB+NBR Kastas request
HIGH PRESSURE SEAL K151 18x28x7,2 K151-018/1 HIGH PRESSURE SEAL K151 18x28x7,2 Kastas request
HIGH PRESSURE SEAL K151 18x28x8 K151-018 HIGH PRESSURE SEAL K151 18x28x8 Kastas 11
LOW PRESSURE SEAL K152 18x25x4,5 K152-018/2 LOW PRESSURE SEAL K152 18x25x4,5 Kastas 21
LOW PRESSURE SEAL K152 18x26x4,5 K152-018/3 LOW PRESSURE SEAL K152 18x26x4,5 Kastas 21
LOW PRESSURE SEAL K152 18x26x5,4 [6.365-333] K152-018/1 LOW PRESSURE SEAL K152 18x26x5,4 [6.365-333] Kastas 36
LOW PRESSURE SEAL K152 18x26x6,5 K152-018 LOW PRESSURE SEAL K152 18x26x6,5 Kastas 45
Rotary seal K702 18x23x2u TB+NBR 48002477 Rotary seal K702 18x23x2u TB+NBR Kastas request
HIGH PRESSURE SEAL K151 20x30x8 K151-020 HIGH PRESSURE SEAL K151 20x30x8 Kastas 16
HIGH PRESSURE SEAL K151 20x32x8 K151-020/2 HIGH PRESSURE SEAL K151 20x32x8 Kastas 17
HIGH PRESSURE SEAL K151 20x35x7 K151-020/1 HIGH PRESSURE SEAL K151 20x35x7 Kastas 17
LOW PRESSURE SEAL K152 20x28x5,5 K152-020/1 LOW PRESSURE SEAL K152 20x28x5,5 Kastas 6 weeks
LOW PRESSURE SEAL K152 20x28x6 K152-020 LOW PRESSURE SEAL K152 20x28x6 Kastas 61
Pneumatic seal CUP 35,8x20x7,9 PU [2ECUP102] CUP 0350 B0 Pneumatic seal CUP 35,8x20x7,9 PU [2ECUP102] Artic seals 30
Rotary seal K702 20x27,5x3,2 48005459 Rotary seal K702 20x27,5x3,2 Kastas 548
Rotary seal K702-20x24,9x2,2 48005458 Rotary seal K702-20x24,9x2,2 Kastas 35
Rotary seal K702 22x29,5x3,2 TB+NBR 48003613 Rotary seal K702 22x29,5x3,2 TB+NBR Kastas 38
Rotary seal K702 22x32,7x4,2 48001331 Rotary seal K702 22x32,7x4,2 Kastas 24
HIGH PRESSURE SEAL K151 25x35x8 K151-025 HIGH PRESSURE SEAL K151 25x35x8 Kastas 12
Rotary seal K702 25x32,5x3,2 48005460 Rotary seal K702 25x32,5x3,2 Kastas 127
Rotary seal K702 25x35,7x4,2 48002523 Rotary seal K702 25x35,7x4,2 Kastas 100
Rotary seal K702 30x37,5x3,2 48005461 Rotary seal K702 30x37,5x3,2 Kastas 28
Rotary seal K702 36x43,5x3,2 48005462 Rotary seal K702 36x43,5x3,2 Kastas 92
Rotary seal K702 40x47,5x3 48002308 Rotary seal K702 40x47,5x3 Kastas 31
Rotary seal K702 40x51x4,2 48005463 Rotary seal K702 40x51x4,2 Kastas 121
Rotary seal K702 40x51x4,2 TB+FPM 48003268 Rotary seal K702 40x51x4,2 TB+FPM Kastas request
Pneumatic seal CUP 41,0x27x7,9 PU [2ECUP103] CUP 0400 B0 Pneumatic seal CUP 41,0x27x7,9 PU [2ECUP103] Artic seals request
Rotary seal K702 45x56x4,2 48005464 Rotary seal K702 45x56x4,2 Kastas request
Rotary seal K702 50x61x4,2 48005465 Rotary seal K702 50x61x4,2 Kastas 24
Rotary seal K702-50x57,5x3,2 TB+NBR 48004915 Rotary seal K702-50x57,5x3,2 TB+NBR Kastas request
Rotary seal K702-50x57,5x4,2 TB+NBR 48007162 Rotary seal K702-50x57,5x4,2 TB+NBR Kastas request
Rod seal 51x61,4x6,4 T20 PU 40422494 Rod seal 51x61,4x6,4 T20 PU Simrit request
Rotary seal 51x61x5,1 R05B PU CNC 48002537 Rotary seal 51x61x5,1 R05B PU CNC OEM 1
Rotary seal K702 55x66x4,2 48005466 Rotary seal K702 55x66x4,2 Kastas 8
Rotary seal K702 56x67x4,2 48005467 Rotary seal K702 56x67x4,2 Kastas 100
Rotary seal K702 60x67,5x3,1 48002115 Rotary seal K702 60x67,5x3,1 Kastas 31
Rotary seal K702 60x71x4,2 48005468 Rotary seal K702 60x71x4,2 Kastas 104
Rotation seal GDR 60x70x5 GDR 0600 0700 050 C0 Rotation seal GDR 60x70x5 Artic seals 42
Rotary seal K702 65x76x4,2 48005469 Rotary seal K702 65x76x4,2 Kastas 43
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