Parker Prädifa Wiper A6

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The function of the Prädifa wiper rings profile A6 is to prevent dust, dirt, grains of sand, and metal swarf from penetrating the dynamic rod guidance with increased radial clearance. This is achieved by a special design that largely prevents the development of chamfers, protects the guiding parts, and extends the working life of the seals. The wiper provides a technically accurate closure. No screw-rings or brackets are required for instaLlation. No close tolerances are necessary. It allows the effective scraping of the rod, even in the case of eccentricity “x” of up to 1,5 mm. according to the rod diameter.

Field of application:
Working  temperature: -35 to + 100  +5 to+60″C
Surface speed: <2 m/s
For underground equipment in th,
mobile hydraulics, valve spools,
ders etc.

lnstallation:
The wiper rings profile A6 may end
into grooves of simple design. screwrings are required for installation.

Compound:
Standard compound is a special
Shore hardness oÍ approx. 92 Sl
For special requirements (tem
etc.) please contact our consultancy department
so that suitable materials and sizes can be recommended.

 

d D H D1 L a n ‘x” Item number 
20 28 7 29.5 3,1 1,6 2,5 0,75 A6 2006 N3764
25 33 7 34,5 3.1 1,6 2,5 0,75 A6 2050 N3764
35 45 10 47 4.1 2,5 3 1 A6 3050 N3764
36 44 7 45,5 3,1 1,6 2,5 0,75 A6 3055 N3764
40 50 10 52 4,1 2,5 3 1 A6 4025 N3764
45 55 10 57 4,1 2,5 3 1 A6 4033 N3764
50 60 10 62 4,1 2,5 3 1 A6 5005 N3764
55 65 10 67 4,1 2,5 3 1 A6 5015 N3764
60 70 10 72 4,1 2,5 3 1 A6 6015 N3764
65 75 10 77 4,1 2,5 3 1 A6 6050 N3764
70 83 12 85 5,1 3 3,5 1 A6 7015 N3764
75 88 12 90 5,1 3 3,5 1 A6 7030 N3764
76,2 89,2 12 91,2 5,1 3 3,5 1 A6 7022 N3764
80 93 12 95 5,1 3 3,5 1 A6 8015 N3764
85 98 12 100 5,1 3 3,5 1 A6 8030 N3764
90 103 12 105 5,1 3 3,5 1 A6 9015 N3764
100 113 12 115 5,1 3 3,5 1 A6 A015 N3764
105 118 12 120 5,1 3 3,5 1 A6 A030 N3764
110 123 12 125 5,1 3 3,5 1 A6 B010 N3764
115 128 12 131 5,1 3 3,5 1 A6 B050 N3764
120 136 14 139 6,1 4 5 1,5 A6 C005 N3764
125 138 12 140 5,1 3 3,5 1 A6 C018 N3764
130 146 14 149 6,1 4 5 1,5 A6 D020 N3764
140 153 14 155 6,1 4 5 1,5 A6 E012 N3764
140 156 14 159 6.1 4 5 1,5 A6 E015 N3764
150 166 14 169 6,1 4 5 1,5 A6 F024 N3764
160 176 14 179 6,1 4 5 1,5 A6 G015 N3764
165 178 14 181 6,1 4 5 1,5 A6 G050 N3764
170 186 14 189 6,1 4 5 1,5 A6 H010 N3764
180 196 14 199 6,1 4 5 1,5 A6 J096 N3764
190 206 14 209 6,1 4 5 1,5 A6 K005 N3764
200 220 20 223 8,3 4,8 6 1,5 A6 L005 N3764
220 240 20 243 8,3 4,8 6 1,5 A6 M010 N3764
230 250 20 253 8,3 4,8 6 1,5 A6 M030 N3764
260 280 20 283 8,3 4,8 6 1,5 A6 O005 N3764

 

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Parker

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