Parker Prädifa Piston Seals G5/G6

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The Parker Prädifa PDF cylinder seals profiles G5 and G6 are elastomer U-rings that due to their symmetrical shape and their pointed sealing lips need a support ring. These strikes can be made from all metal according to the information in this prospectus included drawing with dimension listor made of rubber. Round cords and standardized rings are suitable as rubber support rings. Plastic support rings are also possible.

Parker Praedifa Profiles G5 and G6 have a rectangular cross-section. In contrast to the G5 profile, the G6 profile has thicker sealing lips and therefore brushes the oil. When the engine is depressurized they extend even more intensely. These profiles are mainly called cylinder seals. It is also possible to use them to seal piston lengths. ln this case, however, no plastic support ring can be used. The profile G6 can also be provided with an outwardly sloping connection. Therefore they usually do not have a support ring, because the sealing edge is below the total height.

Scope of application:
Operating pressure: ≤ 160 bar hydraulic ≤16 bar pneumatics
operating temperature: -30 to + 100 C hydraulic  -30 to + 80o C pneumatic
speed: = 1.0 m/s pneumatics
Mainly for the most diverse devices in hydraulics and pneumatics, here only in connection with maintained compressed air.

Installation instructions:
The tolerance for the groove stitch should be h9
so that the sealing lip is sufficiently prevented from tension.
It would also be valued when very little friction is placed. The grooves for the cylinder seal can be made with the bottom so that the pressure against the cylinder wall is reduced. this applies only for pneumatic devices. In hydraulics, on the other hand, they are specified dimensions and tolerances.

D d H H Item number D d H H Item number
4 1,5 1,7 1 G6 0005N3584 23,8 11,6 12 6 G5 1023N3584
7 3 3 1,5 G6 0009N3584 23,8 13,6 12 6 G5 1060N3584
7,5 4 3 1,3 G6 0017N3584 24 13 6 2,7 G5 1050N3584
8 2 3,5 1,8 G6 0008N3584 24 15 7 3,5 G6 1068N3584
8 3 3,5 1,8 G6 0010N3584 24 16 6 2,5 G5 1105N3584
8 4,5 3 1,5 G6 0027N3584 25 10 8 4 G6 N35841025
10 3,8 4 2 G6 0015N3584 25 12 8 4 G6 N35841045
10 4 4 1,8 G6 0020N3584 25 15 8 3,2 G5 1082 N3584
10 4 5 2,5 G5 0010N3584 25 16 8 3,5 G5 1107 N3584
10 5 4 2,5 G6 0033N3584 40 25 11 5 G5 2060 N3584
10 6 4 2 G6 0049N3584 40 30 9 4,5 G6 3005 N3584
10 6 4,3 2,5 G6 0048N3584 40 32 5 2 G6 3020 N3584
11 5 5 2,3 G5 0020N3584 40 32 7 3 G6 3023 N3584
11 6 3 1,7 Gs 0023N3584 40 32 8 4,5 G6 3026 N3584
12 5 5 2,5 G6 0036N3584 40 33 6 4,5 G6 3030 N3584
12 6 4 2 G6 0045N3584 42 32 6 3 G5 3010 N3584
12 6 6 3,5 G5 0025N3584 43 20 12 6 G5 2020 N3584
12 8 4 2 G6 0066 N3584 43 26 10 5 G6 2065 N3584
12,3 6 3,5 1,7 G6 0046 N3584 44 44 10 5 G5 301 5 N3584
12,5 7 3,5 1,7 G5 0030 N3584 45 30 8 5 G6 3010 N3584
13 7 3,5 1,8 G5 0035 N3584 45 30 10 5 G6 3013 N3584
14 8 4 2 G5 0055 N3584 45 35 6 3 G5 3050 N3584
14 8 6 3 G6 0070 N3584 45 35 8 3,5 G6 3045 N3584
15 7 5 2 G5 0040 N3584 45 35 10 6 G6 3048 N3584
15 7 7 4,5 G6 0058 N3584 45,2 38,2 4 1,5 G6 3080 N3584
15 7,3 6 3,8 G5 0050 N3584 46 28 10 5 G6 2080 N3584
15 8 6 2,8 G6 0073 N3584 48 36 12 8 G6 3065 N3584
15 8 6 3,8 G6 0075 N3584 50 35 8 3,5 G5 3055 N3584
15 8 6 4,1 G5 0060 N3584 50 35 10 5 G6 3052 N3584
15 10 3,5 1,7 G6 1005 N3584 50 40 10 5 G6 4010 N3584
15 10 4 2 G6 1006 N3584 52 40 8 4 G5 4005 N3584
15 10 5 2,5 G6 1008 N3584 52 45 8 4,5 G6 4035 N3584
16 6 8 4 G6 0050 N3584 54 34 15 7 G6 3040 N3584
16 8 6 3 G5 0068 N3584 54 42 12 8 G6 4025 N3584
16 8 6 3,5 G6 0080 N3584 55 40 9,5 5 G6 4013 N3584
16 10 4 2 G6 101 2 N3584 55 40 10 4,5 G5 4010 N3584
17 5 9 5 G6 0040 N3584 55 42 6,5 3,2 G6 4028 N3584
17 9 6 3 G6 0086N3584 56 40 10 5 G5 4020 N3584
17 10 6 3 G6 1015 N3584 56 46 10 6 G5 4060 N3584
17,2 9,7 6 2,5 G5 0092 N3584 59,7 44,3 8 4 G5 4045 N3584
18 6 8 4 G5 0028 N3584 60 40 15 6 G5 4025 N3584
18 10 5 3,5 G6 101 N3584 60 45 10 4,5 G5 4046 N3584
18 10 6 1,8 G6 1021 N3584 62 50 10 4,5 G5 5005 N3584
18 11,3 4 1,8 G5 1020 N3584 62 50 12 6 G6 5015 N3584
18 12 4 2,2 G5 1028 N3584 63 45 10 4,5 G5 4055 N3584
18 12 4,5 2,5 G6 1035 N3584 124 112 12 8 G68020 N3584
19 12 4,5 4 G6 1036 N3584 128 117 10 6 G68035N3584
20 10 8 4,5 G5 1015 N3584 130 110 18 11 G68010 N3584
20 12 8 2 G61038N3584 132 120 12 8 G6C010 N3584
20 14 4 3 G6 1050N3584 140 115 18 9 G68030N3584
20 14 4 2,5 G6 1052N3584 140 120 18 12 G5C010 N3584
20 14 5 1,5 G6 1055N3584 140 128 12 6 G5C040 N3584
20 15 3 2,5 G6 1062 N3584 145 120 15 6 G5C015 N3584
21 12 5 5 G5 1032N3584 160 138 12 6 G5D075 N3584
22 8 10 3 G5 0075N3584 154 152 12 7,5 G6F020N3584
22 12 7 3 G5 0041N3584 175 155 13 6,5 G6F045N3584
22 14 4,5 3 G6 1058N3584 185 160 15 7,5 G6G015N3584
22 14 6 4,5 G6 1060N3584 190 170 13 5,2 G6H009 N3584
22 14 8 2 G6 1068N3584 215 195 15 7,5 G6K049N3584
22 15 4 2 G6 1065N3584 235 210 15 7,5 G5 L020 N3584
22 16 4 2 G6 1073N3584 249,5 236 12 7,5 G6M055 N3s84
22 16 6 3 G6 1074N3584 354 230 15 7,5 GS M005 N3584
23 15 14 5 G5 1079N3584 255 230 15 7,5 G5M010 N3584
23 16 6 3 G6 1076N3584 250 230 22 11 G5 M020 N3584
415 390 15 7,5 G6Q075 N3584

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