Parker Prädifa Rod Seals Q3

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The Parker Prädifa rod seal profile Q3 is a compact seal consisting of a fabric reinforced “U”-ring with an integral rubber sealing part. The Parker Praedifa sealing edges at the rubber part wipe off the film of liquid on the rod surface due to their radial preload. Therefore an excellent sealing performance will be achieved, even at low pressures or in case of zero pressure movements of the rod. Higher pressures will be transferred to the fabric-reinforced “U”-ring, which due to its construction will prevent extrusion.

Field of application:

Working pressure:                   ≤ 250 bar

Working temperature:         —30 to + 100 °C

Surface speed:                          ≤ 0,5 m/s

Mainly for the sealing of plungers, piston rods, valve slides. Also suitable for valve spools and rotating oil conducts. When choosing a seal for a particular diameter, it is best to select the one with the largest possible cross-section.

Installation:

When specifying the sealing area it must be taken into consideration that the pressure can fully act upon the seal. Therefore there must be some clearance in the axial direction. To avoid damaging the sealing edges, care should be taken that the seals are not drawn over sharp edges during installation.

Compound:

NBR-based elastomers, resistant to mineral oils. are used for the rubber part as well as for the fabric-reinforced part. Special compounds are available on request.

For special requirements (pressure, temperature, speed, etc.) please contact our Consultancy Service, so that suitable materials and/or designs can be recommended.

d D H L Item number 
8 15 6 6,5 Q3 0030 Z5002
10 17 6 6,5 Q3 1017 Z5048
12 19 6 6,5 Q3 1019 Z5048
12 19 6,5 7 Q3 1020 Z5002
12 20 7 7,5 Q3 1025 Z5002
14 22 6 6,5 Q3 1039 Z5048
14 22 8 8,5 Q3 1040 Z5002
15 23 6 6,5 Q3 1043 Z5048
16 24 6 6,5 Q3 1059 Z5048
16 24 7 7,5 Q3 1060 Z5002
16 26 8 8,5 03 1065 Z5002
18 25 7 7,5 Q3 1084 Z5002
18 26 6 6,5 Q3 1086 Z5048
18 26 7 7,5 Q3 1085 Z5002
18 28 9 10 Q3 1088 Z5002
20 26 5 5,5 Q3 2005 Z5002
20 28 6 6,5 Q3 2009 Z5048
20 28 7 7,5 Q3 2010 Z5002
20 30 8 8,5 Q3 2015 Z5002
20 30 10 11 Q3 2016 Z5002
22 30 6 6,5 Q3 2019 Z5048
22 30 7 7,5 Q3 2020 Z5002
22 30 8 8,5 Q3 2022 Z5002
22 32 7 7,5 Q3 2025 Z5002
22 32 9 10 Q3 2028 Z5002
24 32 6 6,5 Q3 2034 Z5048
25 32 6 6,5 Q3 2045 Z5002
25 33 6 6,5 Q3 2047 Z5048
25 33 7 7,5 Q3 2048 Z5002
25 35 9 10 Q3 2052 Z5002
25 37 10 11 Q3 2055 Z5002
25 40 10 11 Q3 2058 Z5002
28 36 6 6,5 Q3 2074 Z5048
28 36 7 7,5 03 2075 Z5002
28 38 8,5 9 Q3 2078 Z5002
28 40 9 10 Q3 2081 Z5002
28 40 12 13 Q3 2084 Z5002
28 44 15 16 Q3 2088 Z5002
30 37 6 6,5 Q3 3005 Z5002
30 38 6 6,5 Q3 3007 Z5048
30 38 8 8,5 03 3008 Z5002
30 40 9 10 Q3 3011 Z5002
30 45 8,5 9 Q3 3014 Z5002
32 40 6 6,5 Q3 3019 Z5048
32 40 7 7,5 Q3 3020 Z5002
32 42 9 10 03 3023 Z5002
32 44 10 11 Q3 3025 Z5002
32 45 10 11 Q3 3032 Z5002
33 45 10 11 Q3 3035 Z5002
35 42 7 7,5 Q3 3045 Z5002
35 43 6 6,5 03 3049 Z5048
35 43 7 7,5 Q3 3050 Z5002
35 45 9 10 Q3 3054 Z5002
35 45 10 11 Q3 3057 Z5002
35 50 12 13 03 3060 Z5002
36 43 6 6,5 Q3 3070 Z5002
36 44 6 6,5 Q3 3072 Z5002
36 44 8 8,5 Q3 3073 Z5002
36 48 9 10 Q3 3078 Z5002
40 48 6 6,5 Q3 4004 Z5048
40 48 8 8,5 03 4005 Z5002
40 50 9 10 Q3 4009 Z5002
40 50 10 11 Q3 4012 Z5002
40 52 15 16 Q3 4015 Z5002
40 55 10 11 Q3 4018 Z5002
40 56 9 10 Q3 4021 Z5003
42 50 6 6,5 Q3 4031 Z5048
42 50 7 7,5 Q3 4030 Z5002
45 53 8 8,5 Q3 4040 Z5002
45 55 7,5 8 Q3 4044 Z5048
45 60 10 11 Q3 4045 Z5002
45 60 11 12 Q3 4048 Z5002
45 60 15 16 Q3 4053 Z5002
47 57 9 10 Q3 4065 Z5048
48 60 10 11 Q3 4080 Z5002
50 58 8 8,5 Q3 5005 Z5002
50 58 12 13 Q3 5008 Z5002
50 60 6,7 7,2 Q3 5011 Z5002
50 60 7,5 8 Q3 5010 Z5048
50 62 10 11 03 5012 Z5002
50 62 12 13 03 5015 Z5002
50 65 10 11 Q3 5021 Z5002
52 68 12 13 Q3 5025 Z5003
53 65 10 11 Q3 5032 Z5002
55 63 8 8,5 Q3 5045 Z5002
55 65 75 8 Q3 5046 Z5048
55 70 15 16 03 5052 Z5002
56 66 75 8 Q3 5059 Z5048
56 68 10 11 Q3 5060 Z5002
56 71 12 13 Q3 5063 Z5002
60 68 10 11 Q3 6003 Z5002
60 70 7,5 8 Q3 6004 Z5048
60 72 10 11 Q3 6005 Z5002
60 75 12 13 03 6010 Z5002
60 76 9 10 Q3 6013 Z5003
60 80 2 13 Q3 6018 Z5003
63 75 9 10 Q3 6028 Z5048
63 75 12 13 Q3 6030 Z5002
63 78 12 13 03 6033 Z5002
65 73 8 8,5 Q3 6040 Z5002
65 77 9 10 Q3 6043 Z5048
65 77 10 11 Q3 6044 Z5002
65 80 12 13 Q3 6050 Z5002
70 78 6 6,5 03 7006 Z5002
70 78 10 11 Q3 7007 Z5002
70 82 9 10 Q3 7008 Z5048
70 85 12 13 Q3 7010 Z5002
70 90 11 12 Q3 7015 Z5003
75 85 10 11 Q3 7040 Z5002
75 87 9 10 Q3 7043 Z5048
75 90 15 16 Q3 7045 Z5002
75 95 11 12 Q3 7048 Z5003
78 86 10 11 Q3 7075 Z5002
78 88 12 13 Q3 7080 Z5002
80 88 10 11 Q3 8005 Z5002
80 92 9 10 Q3 8008 Z5048
80 95 12 13 Q3 8010 Z5002
80 100 12 13 03 8015 Z5003
81 89 8 8,5 Q3 8025 Z5002
85 97 9 10 Q3 8042 Z5048
85 100 15 16 03 8045 Z5002
85 110 20 21 Q3 8060 Z5003
90 100 9 10 Q3 9010 Z5002
90 102 9 10 Q3 9011 Z5048
90 105 12 13 Q3 9015 Z5002
90 110 11 12 Q3 9020 Z5003
92 102 10 11 Q3 9030 Z5002
95 110 12 13 03 9045 Z5002
100 115 11,3 12,3 Q3 A009 Z5048
100 115 12 13 Q3 A010 Z5002
100 115 15 16 Q3 A015 Z5002
104 116 12 13 Q3 A040 Z5002
105 120,2 12 13 Q3 A051 Z5004
105 125 10 11 Q3 A055 Z5003
106 118 12 13 Q3 A065 Z5002
110 125 11,3 12,3 Q3 B009 Z5048
110 125 12 13 Q3 B010 Z5002
110 130 11 12 Q3 B020 Z5002
115 130 11,3 12,3 Q3 B041 Z5048
115 130 15 16 Q3 B040 Z5002
118 134 14 15 03 B085 Z5003
120 140 18 19 Q3 C010 Z5003
125 140 11,3 12,3 Q3 CO27 Z5002
125 145 18 19 Q3 C040 Z5003
128 140 12 13 Q3 C075 Z5002
130 150 11 12 Q3 D010 Z5003
134 146 12 13 Q3 D040 Z5002
135 150 12 13 Q3 D055 Z5002
140 152 12 13 Q3 E010 Z5002
140 160 15 16 Q3 E012 Z5003
145 165 11 12 Q3 E040 Z5003
150 170 15 16 Q3 F013 Z5003
152 164 12 13 03 F030 Z5002
160 180 11 12 Q3 G010 Z5002
160 180 15 16 03 G015 Z5003
165 185 11 12 Q3 G040 Z5003
165 185 16 17 Q3 G045 Z5003
170 185 12,5 13,5 03 H010 Z5002
170 190 11 12 Q3 H015 Z5003
180 200 11 12 Q3 J015 Z5003
180 200 15 16 Q3 J018 Z5003
195 220 20 21 Q3 K040 Z5003
200 220 15 16 Q3 L020 Z5003
210 235 19 20 Q3 L047 Z5003
215 240 20 21 Q3 L065 Z5003
225 250 20 21 Q3 M025 Z5003
245 275 25 26 Q3 N055 Z5003
260 290 25 26 Q3 0010 Z5003
300 330 25 26 Q3 0003 Z5003
310 340 25 26 Q3 Q012 Z5003
430 460 22 23 Q3 R030 Z5003

Merk

Parker

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