Parker Prädifa Rod sealing Set ZJ

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The Parker Prädifa rod sealing set profile ZJ is a compact seal for hydraulic props and cylinders. The sealing ring consists of a rubber part with the fabric-reinforced dynamic surface, which provides low breakaway and low dynamic friction, even after long standstill periods, combined with a remarkable reduction of the wear. To prevent extrusion the sealing ring is equipped with a back-up ring.

Field of application:

Working pressure: ≤500

Working temperature: HFA-, HFB, and HFC-fluids: +5 to 60 ºC Mineral oil: —20 to +100 ºC

Surface speed: ≤ 0,1 m/s
Single-acting seal for piston rods.

Installation:

The design of the Parker Praedifa rod sealing set profile ZJ allows simple snap-in installation into closed housings.
To avoid damaging care should be taken that the seals are not pulled over sharp edges during installation. When used in mineral oil a helical groove should be
provided in the guiding part to avoid the build-up of drag pressure.

Compounds:

The standard compound for the sealing part is an NBR-based elastomer (Z5016) with a fabric-reinforced dynamic surface. The back-up rings are made of a polyacetal-based (W5001) material. For special requirements (pressure, temperature, speed, application in water, HFA-, HFB-fluids, etc.) please contact our Consultancy Service, so that suitable materials and/or designs can be recommended.

d D H L Item number 
30 42 12 13 ZJ 0030 00251
40 52 9 10 ZJ 0039 00251
40 55 11 12 ZJ 0042 00251
40 55 15 16 ZJ 0041 00251
45 60 11 12 ZJ 0045 00251
50 60 17,5 18,5 ZJ 0049 00251
50 65 15 16 ZJ 0050 00251
50 65 21 22 ZJ 0051 00251
60 72 9,5 10,5 ZJ 0061 00251
60 80 14 15 ZJ 0060 00251
63 78 11 12 ZJ 0064 00251
63 78 21 22 ZJ 0062 00251
63 83 14 15 ZJ 0063 00251
65 85 14 15 ZJ 0066 00251
70 85 20,5 22 ZJ 0069 00251
70 90 14 15 ZJ 0070 00251
75 90 21 22 ZJ 0071 00251
80 95 21 22 ZJ 0079 00251
80 100 14 15 ZJ 0080 00251
90 105 12 13 ZJ 0089 00251
90 105 12 13 ZJ 0090 00251
90 105 20,5 22 ZJ 0088 00251
90 110 14 15 ZJ 0090 00251
90 110 15 16 ZJ 0091 00251
95 115 13,5 14,5 ZJ 0095 00252
95 115 15 16 ZJ 0095 00251
100 115 17 18 ZJ 0102 00251
100 120 19 20 ZJ 0100 00251
100 125 19 20 ZJ 0104 00251
110 125 15 16 ZJ 0106 00251
115 130 12 13 ZJ 0114 00251
115 130 15 16 ZJ 0115 00251
115 130 21 22 ZJ 0116 00251
115 135 19 20 ZJ 0117 00251
120 135 22,5 24 ZJ 0120 00251
125 140 15 16 ZJ 0124 00251
125 140 19 20 ZJ 0126 00251
130 145 15 16 ZJ 0131 00251
135 150 20,5 22 ZJ 0135 00251
140 155 15 16 ZJ 0137 00251
140 155 21 22 ZJ 0138 00251
140 160 15 16 ZJ 0141 00251
140 160 19 20 ZJ 0140 00251
140 160 25 27 ZJ 0142 00251
150 165 15 16 ZJ 0143 00251
150 165 21 22 ZJ 0144 00251
152 164 12 13 ZJ 0152 00251
152 167 21 22 ZJ 0149 00251
152 170 19 20 ZJ 0154 00251
153 165 17 18 ZJ 0148 00251
155 170 15 16 ZJ 0150 00251
158,5 180 25 27 ZJ 0151 00251
160 175 15 16 ZJ 0162 00251
160 180 15 16 ZJ 0157 00251
160 180 26 28 ZJ 0161 00251
169,5 190 14 15 ZJ 0171 00251
170 185 15 16 ZJ 0168 00251
170 185 21 22 ZJ 0169 00251
176 196 21 22 ZJ 0176 00251
190 205 21 22 ZJ 0189 00251
200 215 21 22 ZJ 0200 00251
205 225 15 16 ZJ 0206 00251
210 225 21 22 ZJ 0209 00252
210 230 14 15 ZJ 0210 00252
210 230 21 22 ZJ 0212 00252
215 230 21 22 ZJ 0215 00251
230 250 14 15 ZJ 0230 00251
230 250 21 22 ZJ 0229 00251
245 265 19 20 ZJ 0245 00251
260 280 21,5 22,5 ZJ 0260 00251

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Parker

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