Parker Prädifa Piston Seals C2

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The Parker Prädifa C2 piston seal meets the requirements of the manufacturers of hydraulic and pneumatic equipment for seals with the smallest possible housings. Although cross-sections and heights are very small the sealing performance is excellent. Extremely low friction is experienced because of the short contact to the sealing surface area. For installation in non-lubricated pneumatic systems (dry air) we recommend our profile E4 which fits into the same housings.

  • Good wear resistance.
  • Easier
  • Suitable for fully automatic
  • Assembly on the one-part piston is possible
  • High-temperature resistance in case of suitable compound
  • Excellent media resistance in case of suitable compound
  • Suitable compounds available for special requirements of the chemical process industry.
  • Suitable compounds available for special requirements of the food processing
  • Installation in closed and undercut

Range of application

Particularly recommended for pistons in hydraulic and pneumatic cylinders.

Operating pressure

Hydraulics                                                      ≤ 160 bar

Pneumatics                                                    ≤ 16 bar

Operating temperature

Hydraulics                                                      -25 °C to +100 °C

Pneumatics                                                     -25 °C to +80 °C

Sliding speed                                                  ≤ 0.5 m/s

1) Dependent upon cross-section and compound.

Compounds

Standard: N3584, NBR compound (≈ 80 Shore A).

For low temperatures: N8613, NBR compound (≈ 80 Shore A). For high temperatures: V3664, FKM compound (≈ 85 Shore A).

Installation

The Parker Praedifa profile C2 piston seals are manufactured undersized in relation to the nominal dimensions. Only after installation will the sealing lip diameter have the desired dimensions. This lip seal may easily be snapped into the grooves. Care should be taken that the seals are not pulled over sharp edges.

In the case of double-acting pistons, pressure peaks should be avoided. In such cases, sealing elements with larger cross-sections or other profiles with header rings should be used.

D d H L d1 Order code D d H L d1 Order code
4 1.5 1.7 2 3 C20010N3584 28 18 8 8.5 23 C22060N3584
5 2 2.2 2.5 4 C20014N3584 28 20 5.5 6 24 C22065N3584
6 2.5 2 2.3 4.5 C20023N3584 30 18 8 8.5 24 C23010N3584
6 3 3 3.5 5 C20025N3584 30 20 7 7.5 25 C23015N3584
7.5 4 2 2.3 6 C20033N3584 30 22 5.5 6 26 C23018N3584
8 3 3.5 4 5.5 C20035N3584 32 22 5 5.5 27 C23025N3584
8 5 4 4.5 7 C20045N3584 32 22 7 7.5 27 C23030N3584
9.5 4.5 3.5 4 7 C20065N3584 32 24 5.5 6 28 C23035N3584
10 3 4 4.5 6.5 C21010N3584 35 25 7 7.5 30 C23050N3584
10 5 3.5 4 7.5 C21020N3584 36 26 7 7.5 31 C23055N3584
10 6 4.2 4.7 8 C21029N3584 37 21 12 13 29 C23060N3584
11 6 4 4.5 8.5 C21035N3584 37 29 5.5 6 33 C23063N3584
12 6 4 4.5 9 C21040N3584 38 28 7 7.5 33 C23065N3584
12 8 3 3.5 10 C21045N3584 39.69 26.99 6.35 6.85 33.5 C23093N3584
13 7 4 4.5 10 C21055N3584 40 30 7 7.5 35 C24005N3584
13.5 8 4 4.5 11 C21058N3584 40 32 5.5 6 36 C24010N3584
14 6 5.5 6 10 C21063N3584 45 35 7 7.5 40 C24035N3584
14 8 4 4.5 11 C21066N3584 45 37 6 6.5 41 C24047N3584
15 7 5.5 6 11 C21070N3584 46 36 7 7.5 41 C24045N3584
16 8 5.5 6 12 C21080N3584 48 40 5.5 6 44 C24065N3584
16 10 4 4.5 13 C21083N3584 50 36 10 11 43 C25005N3584
16 10 6 6.5 13 C21086N3584 50 40 7 7.5 45 C25010N3584
17.5 11.7 3 3.5 14.8 C21088N3584 50 42 8 8.5 46 C25012N3584
18 10 5 5.5 14 C21091N3571 50.8 41.28 7.93 8.43 51 C25016N3584
18 10 5.5 6 14 C21092N3584 52 36 12 13 44 C25020N3584
18 12 4.2 4.7 15 C21093N3584 52 42 7 7.5 48 C25025N3584
19.05 10.5 5.5 6 15 C21097N3584 55 45 7 7.5 50 C25045N3584
20 10 7 7.5 15 C22005N3584 60 40 12 13 50 C26005N3584
20 12 5.5 6 16 C22010N3584 60 50 7 7.5 55 C26010N3584
20 14 4.2 4.7 17 C22012N3584 60 50 10 11 55 C26011N3584
22 14 5.5 6 18 C22020N3584 62 46 12 13 52 C26020N3584
24 16 5.5 6 20 C22030N3584 62 47 10 11 51.5 C26023N3584
25 17 5.5 6 21 C22040N3584 62 52 7 7.5 57 C26028N3584
26 18 5.5 6 22 C22050N3584 63 45 12 13 54 C26040N3584

 

D d H L d1 Order code D d H L d1 Order code
63 53 7 7.5 58 C26035N3584 135 115 14 15 125 C2D020N3584
65 49 12 13 57 C26045N3584 136 116 14 15 126 C2D025N3584
65 53 10 11 59 C26050N3584 140 115 18 19 127.5 C2E010N3584
65 55 7 7.5 60 C26055N3584 140 120 14 15 130 C2E015N3584
67 57 7 7.5 62 C26063N3584 140 125 10 11 132.5 C2E020N3584
68 58 7 7.5 63 C26070N3584 145 130 10 11 137.5 C2E040N3584
70 50 14 15 60 C27005N3584 150 135 10 11 142.5 C2F015N3584
70 54 12 13 62 C27010N3584 155 130 18 19 142.5 C2F025N3584
70 58 8.5 9.5 64 C27020N3584 155 135 15 16 145 C2F030N3582
74 62 8.5 9.5 68 C27035N3584 160 130 25 26 145 C2G011N3584
75 55 12 13 65 C27045N3584 160 140 14 15 150 C2G015N3584
75 59 12 13 67 C27047N3584 160 145 10 11 152.5 C2G020N3584
75 63 8.3 9.5 69 C27050N3584 175 145 18 19 160 C2H010N3584
80 60 14 15 70 C28005N3584 175 155 14 15 165 C2H020N3584
80 63 16 17 71.5 C28008N3584 180 160 14 15 170 C2J015N3584
80 64 8 8.5 72 C28011N3584 190 170 14 15 180 C2K015N3584
80 68 8.5 9.5 74 C28015N3584 200 180 14 15 190 C2L015N3584
85 73 8.5 9.5 79 C28045N3584 220 200 14 15 210 C2M015N3584
90 70 10 13 80 C29015N3584 225 200 17.5 18.5 212.5 C2M025N3584
90 78 8.3 9.5 84 C29025N3584 240 220 14 15 230 C2N015N3584
98.43 85.72 9.50 10.32 92 C29085N3584 250 230 14 15 240 C2N030N3584
100 80 13 16 90 C2A010N3584 260 240 14 15 250 C2O015N3584
100 85 9.3 10.5 92.5 C2A014N3584 270 250 14 15 260 C2O070N3510
100 85 10 13 92.5 C2A015N3584 280 260 14 15 270 C2P015N3584
100 88 8.3 9.5 94 C2A020N3584 295 275 14 15 285 C2P095N3510
100 90 7 7.5 95 C2A025N3584 300 280 15 16 290 C2Q010N3584
105 85 15 16 95 C2A040N3584 315 290 17 18 302.5 C2Q020N3584
110 95 10 11 102.5 C2B010N3584 350 320 21 22 335 C2Q030N3584
115 95 14 15 105 C2B015N3584 360 340 14 15 350 C2Q060N3584
120 100 15 16 110 C2C015N3584
120 105 10 11 112.5 C2C017N3584
125 105 16 17 115 C2C024N3584
125 110 10 11 117.5 C2C025N3584
130 115 10 11 122.5 C2D010N3584

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