Parker Prädifa Rod Seals C1

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The Parker Prädifa C1 rod seal is a U-ring with an interference fit on the outer diameter. Excellent sealing performance is achieved with minimal profile width and height. Extremely low friction due to the short seal contact area. Use in pneumatic equipment is only possible with constant lubricant supply, e.g. oiled air. For non-oiled (dry air) pneumatic systems, we recommend our E5 product series.

Good wear resistance.

  • Easy installation.
  • High-temperature resistance in case of suitable compound selection.
  • Excellent media resistance in case of suitable compound selection.
  • Suitable compounds available for special requirements of the chemical process industry.
  • Suitable compounds available for special requirements of the food processing industry.
  • Installation in closed and undercut housings.

Range of application

The Parker Praedifa C1 rod seal is particularly suitable for plungers, piston rods, stems, and valve lifters as well as for slowly operating pneumatic rotors (v ≤ 0.2 m/s).

Operating pressure 1)

Hydraulics                                                      ≤ 160 bar

Pneumatics                                                    ≤ 16 bar

Rotary transmissions                                   ≤ 20 bar Operating temperature

Hydraulics                                                      -35 °C to +100 °C

Pneumatics                                                    -35 °C to +80 °C

Sliding speed

Hydraulics                                                      ≤ 0.5 m/s

Pneumatics                                                    ≤ 1 m/s

Rotary transmissions                                   ≤ 0.2 m/s

Recommendation for rotary transmissions: P × v ≤ 3

(Definition see catalogue „Hydraulic Seals“, chapter „Rotary Seals“, introduction).

 

1) Dependent upon cross-section and compound.

 

Compounds

Standard: N3571, NBR compound (≈ 70 Shore A).

For low temperatures: N8602, NBR compound (≈ 70 Shore A). For high temperatures: V3664, FKM compound (≈ 85 Shore A).

 

Installation

The profile C1 rod seals are manufactured oversized on the external diameters in relation to the nominal dimensions. This ensures the required tight fit. Only after installation, the sealing lip diameter will show the desired dimensions. Profile C1 can easily be snapped into the grooves.

When choosing a seal for a particular diameter, it is best to select the one with the largest possible cross-section.

Note: For nominal diameters, ≤ 25 mm an open housing is recommended, according to the seals cross-section and the position of the groove (stuffing box installation).

 

d D H L Order code d D H L Order code
2 7 3.5 4 C10003N3571 11 18 4.5 5 C11025N3571
3 7 3 3.5 C10005N3571 12 18.5 4.5 5 C11028N3571
3 9 4.5 5 C10009N3571 12 19 4.5 5 C11030N3571
3 10 5 5.5 C10011N3571 12 20 5.5 6 C11033N3571
4 8 3 3.5 C10013N3571 12.75 19.2 3.8 4.3 C11035N3571
4 9 3.5 4 C10016N3571 13 17.5 2.8 3.3 C11036N3571
4 10 4.2 4.7 C10019N3571 13.8 22 5.5 6 C11037N3571
4 12 4.5 5 C10022N3571 14 19 3.5 4 C11039N3571
4 12 5.5 6 C10024N3571 14 20 4.8 5.3 C11040N3571
4 14 5.8 6.3 C10028N3571 14 22 5.5 6 C11041N3571
4.5 8 3 3.5 C10032N3571 14 25 8 8.5 C11042N3571
5 9 2.5 3 C10035N3571 15 22 5 5.5 C11044N3571
5 10 4 4.5 C10038N3571 16 22.5 4.5 5 C11049N3571
5 12 4.5 5 C10041N3571 16 23 5.5 6 C11051N3571
6 10 3 3.5 C10055N3571 16 24 5.5 6 C11053N3571
6 12 4.2 4.7 C10058N3571 16 26 7 7.5 C11056N3571
6 13 5 5.5 C10059N3571 17 25 5.5 6 C11060N3571
6 15 7 7.5 C10062N3571 18 25 4.5 5 C11062N3571
6 16 5 5.5 C10065N3571 18 25 5.5 6 C11063N3571
7 13 4 4.5 C10070N3571 18 26 5.5 6 C11066N3571
8 14 4 4.5 C10074N3571 18.5 25.5 5.5 6 C11074N3571
8 14.5 4.5 5 C10077N3571 20 26 4 4.5 C12003N3571
8 16 5.5 6 C10080N3571 20 26 4.8 5.3 C12005N3571
8 18 8 8.5 C10083N3571 20 28 5.5 6 C12009N3571
9 14 3.5 4 C10087N3571 20 28 8 8.5 C12013N3571
9.3 14 3 3.5 C10090N3571 20 30 7 7.5 C12020N3571
9.5 18.5 7 7.5 C10094N3571 20 32 7 7.5 C12022N3571
10 13.6 2.3 2.7 C11002N3571 22 29 5.5 6 C12025N3571
10 15 3.5 4 C11005N3571 22 30 5.5 6 C12029N3571
10 16 4.5 5 C11008N3571 23 31 5.5 6 C12038N3571
10 16 6 6.5 C11011N3571 24 32 5.5 6 C12043N3571
10 18 5.5 6 C11015N3571 25 32 5.5 6 C12053N3571
10 20 7 7.5 C11018N3571 25 33 5.5 6 C12058N3571
11 17 4 4.5 C11022N3571 25 33 8 8.5 C12061N3571

 

d D H L Order code d D H L Order code
25 35 6 6.5 C12064N3571 54 64 7 7.5 C15035N3571
25 35 7 7.5 C12065N3571 55 65 7 7.5 C15040N3571
25 37 8.5 9.5 C12069N3571 56 66 7 7.5 C15043N3571
25 40 10 11 C12075N3571 57 67 7 7.5 C15053N3571
26 36 7 7.5 C12078N3571 58 68 7 7.5 C15058N3571
28 36 5.5 6 C12085N3571 60 72 8.5 9.5 C16005N3571
28 38 7 7.5 C12089N3571 60 80 14 15 C16010N3571
30 38 5.5 6 C13005N3571 63 73 7 7.5 C16025N3571
30 38 8 8.5 C13010N3571 63 75 8.5 9.5 C16035N3571
30 40 7 7.5 C13015N3571 63 78 8.5 9.5 C16036N3584
30 42 8 8.5 C13019N3571 64 76 7.5 8 C16040N3571
30 42 8.5 9.5 C13020N3571 65 77 8.5 9.5 C16055N3571
32 40 5.5 6 C13025N3571 68 80 8.5 9.5 C16070N3571
32 42 7 7.5 C13030N3571 70 82 8.5 9.5 C17003N3571
33 43 7 7.5 C13035N3571 75 87 8.5 9.5 C17020N3571
34 44 7 7.5 C13040N3571 75 95 14 15 C17030N3571
35 43 8 8.5 C13045N3571 80 90 7 7.5 C18010N3571
35 45 7 7.5 C13050N3571 80 92 8.5 9.5 C18015N3571
36 46 7 7.5 C13055N3571 80 100 14 15 C18025N3571
36 50 10 11 C13057N3571 85 97 8.5 9.5 C18040N3571
38 48 7 7.5 C13060N3571 85 100 10 11 C18045N3571
40 48 8 8.5 C14010N3571 90 102 8.5 9.5 C19015N3571
40 50 7 7.5 C14015N3571 90 110 16 17 C19018N3571
40 52 8.5 9.5 C14020N3571 95 107 8.5 9.5 C19035N3571
42 52 7 7.5 C14025N3571 100 110 7 7.5 C1A010N3571
44 54 7 7.5 C14030N3571 100 115 10 11 C1A015N3571
45 55 7 7.5 C14035N3571 105 120 10 11 C1A051N3571
46 56 7 7.5 C14046N3571 105 125 12 13 C1A055N3571
47 57 7 7.5 C14055N3571 110 125 10 11 C1B015N3571
48 58 7 7.5 C14060N3571 110 130 14 15 C1B020N3571
50 58 8 8.5 C15005N3571 115 130 10 11 C1B040N3571
50 60 7 7.5 C15010N3571 120 135 10 11 C1C015N3571
50 63 8.5 9.5 C15015N3571 120 140 14 15 C1C020N3571
50 66 11 12 C15020N3571 125 140 10 11 C1C035N3571

 

d D H L Ordercode
125 145 12 13 C1C037N3571
130 145 10 11 C1D015N3571
135 150 10 11 C1D035N3571
140 160 14 15 C1E015N3571
145 165 13 14 C1E050N3571
150 170 14 15 C1F020N3571
155 170 10 11 C1F053N3571
160 180 14 15 C1G015N3571
160 184 15 16 C1G024N3571
170 190 14 15 C1H007N3571
170 194 15 16 C1H010N3571
180 200 14 15 C1J005N3571
190 210 14 15 C1K010N3571
200 220 14 15 C1L015N3571
200 230 15 16 C1L025N3571
210 230 14 15 C1L040N3571
225 250 14 15 C1M020N3571
235 265 21 22 C1M030N3571
240 270 20 21 C1N035N3571
260 280 14 15 C1O007N3571
260 290 21 22 C1O010N3571
280 310 20 21 C1O031N3571
320 350 20 21 C1Q050N3571

Merk

Parker

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