PS-18
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Piston Seal PU O‑ring NBR 70 Type: PS-18
Dimensions: 100 x 84.5 x 6.3Part number: 281247In StockMore Details -
Piston Seal PU O‑ring NBR 70 Type: PS-18
Dimensions: 100 x 84.5 x 6.3Part number: 6537227Delivery time: ± 8 weeksMore Details - Piston Seal PU O‑ring NBR 70 Type: PS-18
Dimensions: 100 x 89 x 4.2Part number: 423927In StockMore Details - Piston Seal PU O‑ring NBR 70 Type: PS-18
Dimensions: 105 x 89.5 x 6.3Part number: 423928In StockMore Details - Piston Seal PU O‑ring NBR 70 Type: PS-18
Dimensions: 105 x 89.5 x 6.3Part number: 6537228Delivery time: ± 8 weeksMore Details - Piston Seal PU O‑ring NBR 70 Type: PS-18
Dimensions: 110 x 94.5 x 6.3Part number: 423929In StockMore Details
PS-18
Description
The PS-18 is a double acting piston seal for light to medium duty applications. This seal is made of a polyurethane seal ring and a NBR elastomer ring as energizer.
| Funtion | Standard material | Temperature (°C) | Temperature (°C) | Speed | Pressure |
| Double acting | PU + NBR | to -30 | to 100 | to 0,5 m/s | to max. 25 MPA |
Product advantages
- good static and dynamic sealing effect
- low axial housing heights
- simple groove design, one-piece piston possible
- easy installation
- high abrasion resistance
Applications
- light to medium duty industrial application
- loading platforms
- injection molding machines
Installation
This seal is easy to install on a one-piece piston. It is important that the assembly tools are made of soft material and have no sharp edges. Before installation the sealing element must be oiled with system oil.
We can also produce this piston seal on request in the materials below. This is our type DK140.
| Material | Color | Dimensions |
| Polyurethane 72° Shore D (Z51®) | Naturel | 0 to 300 mm |
| Polyurethane 58° Shore D (Z52®) | Naturel | 0 to 300 mm |
| Polyurethane 57° Shore D | Blue | 0 to 500 mm |
| Virgin PTFE | White | 0 to 500 mm |
| PTFE with 40 % Brons | Brown | 0 to 500 mm |
| PTFE with 25 % Carbon | Gray | 0 to 500 mm |
| PTFE with 15 % Glas en 5% MoS2 | Gray | 0 to 210 mm |
| PTFE with 25 % Glass | White | 0 to 150 mm |
| PTFE with15 % Graphite | Black | 0 to 150 mm |
| PTFE with1 % Turquoise | Turquoise | 0 to 150 mm |
| UHMW-PE | Naturel | 0 to 130 mm |
Sizes
| Seal Supply | D (H9) | d (h9) | B (-0 / +0,2) | r | n |
| 423890 | 15,00 | 7,50 | 3,20 | 0,6 | 3 |
| 423891 | 16,00 | 8,50 | 3,20 | 0,6 | 3 |
| 423892 | 20,00 | 12,50 | 3,20 | 0,6 | 3 |
| 423893 | 22,00 | 14,50 | 3,20 | 0,6 | 3 |
| 423894 | 25,00 | 14,00 | 4,20 | 1 | 4 |
| 423895 | 25,00 | 17,50 | 3,20 | 0,6 | 3 |
| 423896 | 30,00 | 22,50 | 3,20 | 0,6 | 3 |
| 6537189 | 30,00 | 25,10 | 2,20 | 0,4 | 3 |
| 423897 | 32,00 | 21,00 | 4,20 | 1 | 4 |
| 423898 | 32,00 | 24,50 | 3,20 | 0,6 | 3 |
| 6537192 | 35,00 | 24,00 | 4,20 | 1 | 4 |
| 423899 | 35,00 | 27,50 | 3,20 | 0,6 | 3 |
| 423900 | 38,00 | 30,50 | 3,20 | 0,6 | 3 |
| 423901 | 40,00 | 24,50 | 6,30 | 1,3 | 5 |
| 423902 | 40,00 | 29,00 | 4,20 | 1 | 4 |
| 423903 | 40,00 | 32,50 | 3,20 | 0,6 | 3 |
| 6537198 | 42,00 | 31,00 | 4,20 | 1 | 4 |
| 423904 | 45,00 | 29,50 | 6,30 | 1,3 | 5 |
| 327549 | 45,00 | 34,00 | 4,20 | 1 | 4 |
| 423905 | 48,00 | 37,00 | 4,20 | 1 | 4 |
| 423906 | 49,00 | 38,00 | 4,20 | 1 | 4 |
| 423907 | 50,00 | 34,50 | 6,30 | 1,3 | 5 |
| 423908 | 50,00 | 39,00 | 4,20 | 1 | 4 |
| 423909 | 52,00 | 36,50 | 6,30 | 1,3 | 5 |
| 423910 | 54,00 | 43,00 | 4,20 | 1 | 4 |
| 423911 | 55,00 | 39,50 | 6,30 | 1,3 | 5 |
| 356573 | 55,00 | 44,00 | 4,20 | 1 | 4 |
| 6537210 | 57,00 | 46,00 | 4,20 | 1 | 4 |
| 423912 | 57,15 | 46,15 | 4,20 | 1 | 4 |
| 423913 | 60,00 | 44,50 | 6,30 | 1,3 | 5 |
| 423914 | 60,00 | 49,00 | 4,20 | 1 | 4 |
| 423917 | 63,00 | 47,50 | 6,30 | 1,3 | 5 |
| 423915 | 63,00 | 52,00 | 4,20 | 1 | 4 |
| 423916 | 63,50 | 52,50 | 4,20 | 1 | 4 |
| 356572 | 65,00 | 49,50 | 6,30 | 1,3 | 5 |
| 423918 | 65,00 | 54,00 | 4,20 | 1 | 4 |
| 423919 | 70,00 | 54,50 | 6,30 | 1,3 | 5 |
| 469758 | 70,00 | 57,00 | 6,30 | 1,3 | 5 |
| 423920 | 70,00 | 59,00 | 4,20 | 1 | 4 |
| 423921 | 75,00 | 59,50 | 6,30 | 1,3 | 5 |
| 423922 | 75,00 | 64,00 | 4,20 | 1 | 4 |
| 6575206 | 80,00 | 59,00 | 8,10 | 1,3 | 7 |
| 423923 | 80,00 | 64,50 | 6,30 | 1,3 | 5 |
| 423924 | 80,00 | 69,00 | 4,20 | 1 | 4 |
| 423925 | 85,00 | 69,50 | 6,30 | 1,3 | 5 |
| 6537224 | 90,00 | 69,00 | 8,10 | 1,3 | 7 |
| 329117 | 90,00 | 74,50 | 6,30 | 1,3 | 5 |
| 423926 | 95,00 | 79,50 | 6,30 | 1,3 | 5 |
| 281247 | 100,00 | 84,50 | 6,30 | 1,3 | 5 |
| 423927 | 100,00 | 89,00 | 4,20 | 1 | 4 |
| 423928 | 105,00 | 89,50 | 6,30 | 1,3 | 5 |
| 423929 | 110,00 | 94,50 | 6,30 | 1,3 | 5 |
| 423930 | 115,00 | 94,00 | 8,10 | 1,3 | 7 |
| 423931 | 115,00 | 99,50 | 6,30 | 1,3 | 5 |
| 423932 | 120,00 | 104,50 | 6,30 | 1,3 | 5 |
| 423933 | 125,00 | 104,00 | 8,10 | 1,3 | 7 |
| 423934 | 125,00 | 109,50 | 6,30 | 1,3 | 5 |
| 423935 | 130,00 | 114,50 | 6,30 | 1,3 | 5 |
| 423936 | 135,00 | 114,00 | 8,10 | 1,3 | 7 |
| 423937 | 140,00 | 119,00 | 8,10 | 1,3 | 7 |
| 6537235 | 140,00 | 124,50 | 6,30 | 1,3 | 5 |
| 423938 | 150,00 | 129,00 | 8,10 | 1,3 | 7 |
| 423939 | 160,00 | 139,00 | 8,10 | 1,3 | 7 |
| 423940 | 170,00 | 149,00 | 8,10 | 1,3 | 7 |
| 423941 | 180,00 | 159,00 | 8,10 | 1,3 | 7 |
| 423942 | 200,00 | 179,00 | 8,10 | 1,3 | 7 |
| 6539230 | 210,00 | 189,00 | 8,10 | 1,3 | 7 |
| 6537241 | 220,00 | 199,00 | 8,10 | 1,3 | 7 |
| 6539231 | 230,00 | 209,00 | 8,10 | 1,3 | 7 |
| 6539232 | 240,00 | 219,00 | 8,10 | 1,3 | 7 |
| 423943 | 250,00 | 229,00 | 8,10 | 1,3 | 7 |
