Parker Prädifa Wiper AM

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The Prädifa Scraper AM has the task of preventing dust, dirt, sand, and metal chips from entering the hydraulic cylinder. This is achieved through its special shape. Scoring is largely avoided, the guide parts are protected and the service life of the seals is extended. An oversize in diameter ensures a tight fit in the groove and thus prevents the ingress of foreign bodies on the outer diameter of the scraper. The wiper ring product series AM can simply be pressed into the cylinder liner and does not require any special locking rings.

  • Good wear resistance.
  • Suitable for fully automatic
  • High-temperature resistance in case of suitable compound
  • Excellent media resistance in case of suitable compound

Range of application

Hydraulic and pneumatic cylinders, valve lifters, etc.

Operating temperature                                    -35 °C to +100 °C

Pneumatics                                                   -35 °C to +80 °C

Sliding speed                                                    ≤ 2 m/s

Compounds

The standard compound for the rubber part of the wiper is an NBR elastomer with a hardness of approx. 90 Shore A (Z5053). Additionally, a large number of dimensions is also available with FKM elastomer (Z5066).

Installation

The profile AM wiper rings are manufactured with a slightly oversized outer diameter D, thus ensuring a secure press-fit in the groove DH8 after installation. Any contact of the wiper lip with piston rod eyes or other connecting parts should be avoided.

d D H h/L a Order code d D H h/L a Order code
6 13 4.5 3 0.6 AM0018Z5053 56 66 8 5 1 AM5051Z5053
10 16 4.5 3 0.6 AM1016Z5053 56 66 10 7 1.4 AM5052Z5053
10 20 8 5 1 AM1020Z5053 60 70 10 7 1.4 AM6007Z5053
12 20 6 4 0.8 AM1029Z5053 60 74 8 5 0.8 AM6008Z5053
12 22 8 5 1 AM1030Z5053 63 75 10 7 1.4 AM6035Z5053
14 22 4 3 0.6 AM1035Z5053 63 83 8 5 1 AM6043Z5053
16 22 4 3 0.6 AM1053Z5053 65 75 10 7 1.4 AM6050Z5053
16 26 8 5 1 AM1055Z5053 70 80 10 7 1.4 AM7008Z5053
18 28 10 7 1.4 AM1080Z5053 75 85 10 7 1.4 AM7050Z5053
20 28 5 3.5 0.8 AM2001Z5053 80 90 10 7 1.4 AM8009Z5053
20 30 6 4 0.8 AM2003Z5053 84 94 8 5 1 AM8044Z5053
20 30 10 7 1.4 AM2005Z5053 85 95 10 7 1.4 AM8050Z5053
22 28 9 5 1 AM2012Z5053 90 100 7 5 1 AM9009Z5053
22 32 10 7 1.4 AM2015Z5053 90 100 10 7 1.4 AM9010Z5053
24 35 8 5 1 AM2435Z5053 95 106 10 7 1.4 AM9507Z5053
25 35 10 7 1.4 AM2048Z5053 100 110 7 5 1 AMA007Z5053
28 40 10 7 1.4 AM2087Z5053 100 110 10 7 1.4 AMA010Z5053
30 40 8 5 1 AM3010Z5053 110 120 10 7 1.4 AMB020Z5053
30 40 10 7 1.4 AM3012Z5053 115 125 10 7 1.4 AMB050Z5053
32 45 8 4 0.8 AM3020Z5053 120 130 10 7 1.4 AMC030Z5053
32 45 10 7 1.4 AM3022Z5053 125 140 12 9 1.8 AMC050Z5053
35 45 10 7 1.4 AM3050Z5053 130 145 12 9 1.8 AMD001Z5053
36 45 10 7 1.4 AM3054Z5053 140 155 12 9 1.8 AME005Z5053
36 46 8 5 1 AM3055Z5053 150 166 12 8 1.8 AMF003Z5053
40 50 8 5 1 AM4004Z5053 160 176 12 8 1.8 AMG008Z5053
40 50 10 7 1.4 AM4005Z5053 165 180 12 8 1.8 AMG060Z5053
45 55 10 7 1.4 AM4050Z5053 170 185 14 10 2 AMH015Z5053
45 60 10 7 1.4 AM4052Z5053 180 195 14 10 2 AMJ009Z5053
50 56 8 5 1 AM5004Z5053 200 220 16 12 2.4 AML020Z5053
50 60 8 5 1 AM5007Z5053 240 260 16 12 2.4 AMN010Z5092
50 60 10 7 1.4 AM5006Z5053
50 65 8 5 1 AM5010Z5053
55 63 10 7 1.4 AM5050Z5053
55 65 10 7 1.4 AM5048Z5053

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