Parker Prädifa Wiper A1 POM

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Category:

The function of the Parker Prädifa wiper rings profiles A1 is to prevent dust, dirt, grains of sand, and metal swarf from penetrating into the dynamic rod guidance.  This is achieved by a special design which largely prevents the development of chamfers, protects the guiding parts, and extends the working life of the seals, This wiper ring profile Al provides a technically accurate closure at the cylinder; no screw rings and brackets are required. No close tolerances are necessary and no metal inserts. The corrosion which may occur with metal-cased wipers will be prevented. For the groove recess, close tolerances are not required.

Field of application:

The Parker Praedifa wiper rings profile A1 is designed for axially operated rods in hydraulic props and cylinders,
plungers and rod-guidances.

Working temperature:                – 40 to + 100 °C

Surface speed:                            < 1 m/s

Installation:

The wiper ring profile A1 is supplied as a continuous ring. Any pressure on the back of the ring should be avoided. For rod diameters of 80 mm and larger the wiper rings profile Al made of POM may be snapped into close grooves. Pre-heating of the rings in water or oil will facilitate the assembly. However, the scrapers should not be warmed to more than + 80°C.

Compound:

Standard compound is a polyacetal-based material (POM).

d D H L a n Item number
65 80 13 6,5 2 2 A1 6032 W5000
80 95 13 6,2 2 2 A1 8004 W5000
90 105 13 6,5 2 2 A1 9009 W5000
100 115 13 6,5 2 2 A1  A015 W5000
110 125 13 6,5 2 2 A1 8017 W5000
115 130 13 6,5 2 2 A1 8039 W5000
120 132 10 5,5 1,5 1,5 A1  C010 W5000
125 135 7,5 5 1 1,5 A1  C018 W5000
135 147 10 5,5 1,5 1,5 A1 D025 W5000
140 155 13 6,5 2 2 A1  E013 W5000
150 165 13 6,5 2 2 A1  F008 W5000
152 167 13 6,5 2 2 A1  F022 W5000
153 163 10 5.5 1,5 1,5 A1  F023 W5000
160 172 10 5,5 1,5 1,5 A1 G010 W5000
162 172 10 5 1 1.5 A1 G016 W5000
168 183 13 6,5 2 2 A1 G083 W5000
170 185 13 6,5 2 2 A1  H014 W5000
190 200 7,5 5 1 1,5 A1  K009 W5000
190 200 10 5,5 1,5 1,5 A1  K010 W5000
190 205 13 6,5 2 2 A1  K019 W5000
200 215 13 6,5 2 2 A1 L005 W5000
205 220 13 6,5 2 2 A1  L006 W5000
210 225 13 6,5 2 2 A1  L010 W5000
222 237 13 6,5 _ 2 2 A1 M012 W5000
224 239 13 6,5 2 2 A1 M014 W5000
225 240 13 6,5 2 2 Al M015 W5000
230 245 13 6,5 2 2 A1 M016 W5000
245 260 13 6,5 2 2 A1  N025 W5000
250 265 13 6.5 2 2 A1 N039 W5000
265 280 13 6,5 2 2 A1 O013 W50

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Parker

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