Parker OK piston seal
OK piston seal is mainly used for heavy-duty hydraulic equipment, especially for double-acting piston. Such suitable seals working pressures up to 800bar, in some cases can be higher.
1. The advantages are:
● small shape.
● resistance to shock loading.
● Even after holding pressure for a long time, starting and running friction are low.
● As the hydraulic cylinder seals an opening structure, it can be installed without auxiliary tool in the overall piston.
● As the hydraulic cylinder seals special material properties under high pressure and large gap has strong anti-extrusion capability.
● applies to comply with international standards ISO7425-1 grooves.
● good abrasion resistance.
2. Materials:
Cylinder seals: Filled thermoplastic material (W5019).
Expansion loop: Shore hardness of about 70 groups of NBR rubber (N3571).
If the special requirements (pressure, temperature, speed, etc.), please consult our service department in order to recommend the right materials and structures.
3. Application:
Working pressure: ≤800bar
Working temperature: -30 to + 110 ° C
Surface speed: ≤1m / s
4. Installation:
Carefully remove the burr mounting groove and clean. Cylinder bore should be chamfered entrance. OK type seals can be loaded into closed groove.
OK piston ring
Order No. D * d * L
OK002500704 25 * 16 * 4.2
OK003200704 32 * 21 * 4.2
OK004000704 40 * 29 * 4.2
OK004000701 40 * 26.3 * 5.8
OK004900701 50 * 34.5 * 6.3
OK005000704 50 * 39 * 4.2
OK006100704 60 * 41.7 * 7
OK006000704 60 * 49 * 4.2
OK006300701 63 * 44.7 * 7
OK006200701 63 * 47.5 * 6.3
OK006400704 63 * 52 * 4.2
OK007000701 70 * 51.7 * 7
OK007000704 70 * 59 * 4.2
OK007500701 75 * 54 * 8
OK008000701 80 * 59 * 8
OK008300701 80 * 64.5 * 6.3
OK008500701 85 * 64 * 8
OK009000701 90 * 69 * 8
OK009100701 90 * 74.5 * 6.3
OK009500704 95 * 74 * 8
OK010000701 100 * 79 * 8
OK010100701 100 * 84.5 * 6.3
OK010500701 105 * 84 * 8
OK011000701 110 * 89 * 8
OK011100701 110 * 94.5 * 6.3
OK011500701 115 * 94 * 8
OK012000701 120 * 99 * 8
OK012500701 125 * 104 * 8
OK012400701 125 * 109.5 * 6.3
OK013000701 130 * 109 * 8
OK013500704 135 * 119.5 * 6.3
OK113500701 135 * 114 * 8
OK014000701 140 * 119 * 8
OK014500701 145 * 124 * 8
OK015000701 150 * 129 * 8
OK016000701 160 * 139 * 8
OK016500701 165 * 144 * 8
OK017000701 170 * 149 * 8
OK017500704 175 * 154 * 8
OK018000701 180 * 159 * 8
OK019000701 190 * 169 * 8
OK020000701 200 * 179 * 8
OK021000701 210 * 189 * 8
OK022000701 220 * 199 * 8
OK023000704 230 * 209 * 8
OK024000701 240 * 225 * 8
OK025000701 250 * 229 * 8
OK026000704 260 * 239 * 8
OK027000701 270 * 249 * 8
OK028000701 280 * 255.5 * 8
OK029000701 290 * 271 * 9.5
OK030000701 300 * 272 * 9.5
OK032000701 320 * 292 * 9.5
OK033000701 330 * 302 * 9.5
OK035000701 350 * 322 * 9.5
OK037000701 370 * 342 * 9.5
OK042000701 420 * 392 * 9.5
OK045100701 450 * 422 * 9.5
OK048000701 480 * 452 * 9.5
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