The company adopts the industry’s advanced Step Seals, Fabric WR Wear Ring Hydraulic Cylinder Seal, PTFE Guide Tapes production equipment and professional technical personnel. Every process of Step Seals, Fabric WR Wear Ring Hydraulic Cylinder Seal, PTFE Guide Tapes production has been strictly controlled, with professional quality and perfect after-sales The service is trusted by users. We are aiming at building the most competitive enterprise and striding forward on the road of building a century-old enterprise with a long history. We always adhere to the principle of 'honesty and pragmatism, mutual benefit and win-win', and try our best to provide customers with all-round services. We sincerely look forward to your inquiry with full enthusiasm and rigorous attitude.
Our piston wear rings are composed of phenolic resin reinforced with ultra strong special fiber, added with solid lubricants, processed under certain temperature and pressure. Compare to other fiber-reinforced (cotton fiber, polyester fiber, polyamide fiber and so on) phenolic products, this material has the largest compressive strength, it is suitable used as back-up rings for mine, coal machinery and equipment.
Product parameter
Color | Grey | |
Material | Phenolic resin reinforced with ultra strong special fiber PFC-7) | |
Density | 1.2-1.4g/cm³ | 0.043-0.051lb/in³ |
Tensile Strength | 74MPa | 10730PSI |
Ultimate Compressive Strength | 460MPa | 66700PSI |
Impact Strength | 45 J/m | |
Rockwell Hardness | 110HRM | |
Coefficient of friction | 0.15-0.25(Dry) | |
Temperature | -40° to 200° C | -104° to 392° F |
Product application
Kintowe piston wear rings guide pistons and piston rods in a hydraulic cylinder, minimizing transverse forces and preventing metal-to-metal contact. Use of wear rings reduces friction and optimizes the performance of piston and rod seals.
Product details
Machining tolerances
Height: 0/-0.30
Thickness: 0/-0.05
Outer diameter(OD): ±0.1
Inner diameter(ID): ±0.1
Cut gap could be in angle cut, butt cut, step cut
Outer diameter(OD) | ≤100 | 100<OD<200 | 200≤OD<400 | 400≤OD<600 |
Cut gap | 2 | 3 | 4 | 5 |
Limit deviation | ±1 | ±1 | ±1 | ±1 |
Product Qualification
Piston guide rings
OD x ID x H | OD x ID x H | OD x ID x H | OD x ID x H | |||
16 x 11 x 5.6 | 50 x 45 x 5.6 | 75 x 70 x 5.6 | 120 x 114 x 13 | |||
16 x 12.9 x 4 | 50 x 45 x 6.3 | 75 x 70 x 9.7 | 120 x 114 x 20 | |||
50 x 45 x 9.7 | 120 x 114 x 30 | |||||
18 x 13 x 5.6 | 50 x 46 x 12 | 80 x 72 x 12 | 120 x 114 x 40 | |||
18 x 14.9 x 4 | 50 x 46.9 x 4 | 80 x 74 x 13 | 120 x 115 x 9.7 | |||
80 x 74 x 20 | ||||||
20 x 15 x 5.6 | 55 x 50 x 4 | 80 x 74 x 25 | 125 x 119 x 13 | |||
20 x 16.9 x 4 | 55 x 50 x 5.6 | 125 x 119 x 15 | ||||
55 x 50 x 9.7 | 80 x 75 x 5.6 | 125 x 119 x 20 | ||||
25 x 20 x 5.6 | 55 x 50 x 25 | 80 x 75 x 9.7 | 125 x 119 x25 | |||
25 x 21.9 x 4 | 80 x 75 x 15 | 125 x 119 x 30 | ||||
60 x 54 x 10 | 125 x 120 x 9.7 | |||||
30 x 24 x 10 | 60 x 54 x 13 | 85 x 79 x 30 | ||||
30 x 25 x 5.6 | 60 x 54 x 20 | 85 x 80 x 5.6 | 130 x 124 x 13 | |||
30 x 26.9 x 4 | 60 x 54 x 30 | 85 x 80 x 9.7 | 130 x 124 x 30 | |||
130 x 125 x 9.7 | ||||||
32 x 27 x 5.6 | 60 x 55 x 5.6 | 90 x 84 x 13 | ||||
32 x 28.9 x 4 | 60 x 55 x 6.3 | 90 x 84 x 20 | 135 x 129 x 13 | |||
60 x 55 x 9.7 | 90 x 85 x 5.6 | |||||
35 x 30 x 5.6 | 90 x 85 x 9.7 | 140 x 134 x 13 | ||||
35 x 31.9 x 4 | 63 x 57 x 13 | 140 x 134 x 20 | ||||
63 x 57 x 20 | 95 x 89 x 13 | 140 x 134 x 25 | ||||
40 x 34 x 10 | 63 x 58 x 5.6 | 95 x 90 x 9.7 | 140 x 134 x 30 | |||
40 x 35 x 5.6 | 63 x 58 x 6.3 | 140 x 135 x 9.7 | ||||
40 x 35 x 9.7 | 63 x 58 x 9.7 | 100 x 94 x 13 | 140 x 135 x 15 | |||
40 x 36 x 10 | 63 x 58 x 10 | 100 x 94 x 20 | ||||
40 x 36.9 x 4 | 100 x 94 x 25 | 145 x 139 x 30 | ||||
65 x 59 x 13 | 100 x 94 x 30 | |||||
45 x 39 x 10 | 65 x 59 x 20 | 100 x 95 x 9.7 | 150 x 144 x 13 | |||
45 x 40 x 5.6 | 65 x 60 x 5.6 | 150 x 144 x 20 | ||||
45 x 41 x 12 | 65 x 60 x 9.7 | 110 x 104 x 13 | 150 x 144 x 30 | |||
45 x 41.9 x 4 | 110 x 104 x 20 | 150 x 144 x 40 | ||||
70 x 64 x 13 | 110 x 104 x 30 | 150 x 145 x 9.7 | ||||
50 x 44 x 10 | 70 x 64 x 20 | 110 x 105 x 9.7 | 150 x 145 x 15 | |||
70 x 65 x 5.6 | 110 x 105 x 15 | |||||
70 x 65 x 9.7 | 155 x 149 x 13 | |||||
70 x 65 x 20 | 115 x 109 x 13 | |||||
115 x 110 x 9.7 | ||||||
OD x ID x H | OD x ID x H | OD x ID x H | ||||
160 x 154 x 13 | 210 x 205 x 9.7 | 300 x 292 x 20 | ||||
160 x 154 x 15 | 210 x 205 x 15 | 300 x 292 x 25 | ||||
160 x 154 x 19.5 | 300 x 292 x 40 | |||||
160 x 154 x 30 | 220 x 212 x 20 | 300 x 295 x 15 | ||||
160 x 154 x 35 | 220 x 212 x 30 | 300 x 295 x 25 | ||||
160 x 154 x 50 | 220 x 214 x 19.5 | |||||
220 x 214 x 30 | 400 x 392 x 30 | |||||
160 x 155 x 9.7 | 220 x 215 x 9.7 | |||||
160 x 155 x 15 | 220 x 215 x 15 | |||||
170 x 160 x 20 | 230 x 225 x 15 | |||||
170 x 164 x 19.5 | ||||||
170 x 164 x 20 | 240 x 232 x 25 | |||||
170 x 164 x 30 | 240 x 232 x 40 | |||||
170 x 165 x 9.7 | 240 x 235 x 9.7 | |||||
170 x 165 x 15 | 240 x 235 x 15 | |||||
180 x 172 x 40 | 250 x 242 x 20 | |||||
180 x 174 x 13 | 250 x 242 x 25 | |||||
180 x 174 x 19.5 | 250 x 242 x 40 | |||||
180 x 174 x 30 | 250 x 244 x 19.5 | |||||
180 x 175 x 9.7 | 250 x 244 x 50 | |||||
180 x 175 x 15 | ||||||
250 x 245 x 9.7 | ||||||
190 x 184 x 25 | 250 x 245 x 15 | |||||
190 x 184 x 30 | ||||||
190 x 185 x 9.7 | 260 x 255 x 9.7 | |||||
190 x 185 x 15 | 260 x 255 x 15 | |||||
200 x 192 x 25 | 270 x 262 x 25 | |||||
200 x 194 x 20 | 270 x 262 x 30 | |||||
200 x 194 x 30 | ||||||
200 x 194 x 50 | 280 x 272 x 25 | |||||
280 x 275 x 15 | ||||||
200 x 195 x 9.7 | 280 x 275 x 25 | |||||
200 x 195 x 15 | ||||||
200 x 195 x 20 |
Rod guide rings
ID x OD x H | ID x OD x H | ID x OD x H | ID x OD x H | |||
12 x 15 x 6.3 | 30 x 33.1 x 4 | 45 x 49 x 15 | 65 x 70 x 9.7 | |||
12 x 15.1 x4 | 30 x 34 x 10 | 45 x 50 x 5.6 | 65 x 71 x 13 | |||
30 x 35 x 5.6 | 45 x 50 x 9.7 | 65 x 71 x 20 | ||||
14 x 17.1 x 4 | 45 x 51 x 13 | 65 x 71 x 40 | ||||
32 x 35 x 5.6 | 45 x 51 x 20 | |||||
15 x 18.1 x 4 | 32 x 35.1 x 4.2 | 45 x 51 x 40 | 70 x 75 x 9.7 | |||
32 x 36 x 10 | 70 x 76 x 13 | |||||
16 x 19 x 6 | 32 x 36 x 15 | 50 x 55 x 5.6 | 70 x 76 x 20 | |||
16 x 19.1 x 4 | 32 x 36 x 20 | 50 x 55 x 9.7 | 70 x 76 x 30 | |||
16 x 20 x 10 | 50 x 55 x 15 | 70 x 76 x 40 | ||||
32 x 37 x 5.6 | 50 x 56 x 13 | 70 x 76 x 50 | ||||
18 x 21.1 x 4 | 32 x 37 x 9.7 | 50 x 56 x 20 | ||||
32 x 38 x 10 | 50 x 56 x 30 | 75 x 80 x 9.7 | ||||
20 x 23 x 10 | 75 x 81 x 13 | |||||
20 x 23.1 x4 | 35 x 38 x 10 | 55 x 60 x 5.6 | 75 x 81 x 20 | |||
20 x 24 x 5.6 | 35 x 39 x 20 | 55 x 60 x 9.7 | 75 x 81 x 30 | |||
35 x 40 x 5.6 | 75 x 81 x 60 | |||||
22 x 25 x 10 | 35 x 40 x 9.7 | 56 x 61 x 5.6 | ||||
22 x 25.1 x 4 | 35 x 41 x 10 | 56 x 61 x 9.7 | 80 x 85 x 9.7 | |||
56 x 62 x 13 | 80 x 85 x 15 | |||||
25 x 28 x 6 | 36 x 40 x 10 | 56 x 62 x 16 | 80 x 86 x 13 | |||
25 x 28 x 10 | 36 x 40 x 30 | 56 x 62 x 30 | 80 x 86 x 20 | |||
25 x 28 x 20 | 36 x 41 x 5.6 | 56 x 62 x 40 | ||||
25 x 28.1 x 4 | 36 x 41 x 9.7 | 80 x 86 x 25 | ||||
25 x 28.1 x 4.2 | 36 x 42 x 10 | 60 x 65 x 5.6 | 80 x 86 x 30 | |||
60 x 65 x 9.7 | 80 x 86 x 40 | |||||
25 x 29 x 5.6 | 40 x 43 x 5.6 | 60 x 65 x 15 | 80 x 86 x 50 | |||
25 x 29 x 10 | 40 x 44 x 10 | 60 x 66 x 13 | ||||
25 x 29 x 20 | 40 x 44 x 20 | 60 x 66 x 20 | 85 x 90 x 9.7 | |||
25 x 30 x 5.6 | 40 x 44 x 25 | 60 x 66 x 30 | 85 x 90 x 15 | |||
25 x 31 x 10 | 40 x 45 x5.6 | 85 x 91 x 13 | ||||
40 x 45 x 9.7 | 63 x 68 x 5.6 | 85 x 91 x 20 | ||||
28 x 31.1 x 4 | 63 x 68 x 9.7 | 85 x 91 x 25 | ||||
28 x 32 x 10 | 40 x 46 x 10 | 63 x 68 x 15 | ||||
28 x 33 x 5.6 | 40 x 46 x 15 | 63 x 69 x 13 | ||||
28 x 34 x 10 | 40 x 46 x 20 | 63 x 69 x 20 | ||||
40 x 46 x 25 | 63 x 69 x 30 | |||||
ID x OD x H | ID x OD x H | ID x OD x H | ||||
90 x 95 x 9.7 | 125 x 131 x 13 | 180 x 185 x 9.7 | ||||
90 x 95 x 15 | 125 x 131 x 30 | 180 x 185 x 15 | ||||
90 x 96 x 13 | 125 x 131 x 40 | 180 x 186 x 19.5 | ||||
90 x 96 x 20 | 125 x 131 x 50 | |||||
90 x 96 x 30 | 195 x 203 x 25 | |||||
90 x 96 x 40 | 125 x 133 x 20 | |||||
125 x 133 x 30 | 200 x 205 x 15 | |||||
95 x 100 x 9.7 | 125 x 133 x 45 | 200 x 205 x 25 | ||||
95 x 100 x 15 | 125 x 133 x 60 | |||||
220 x 218 x 25 | ||||||
100 x 105 x 9.7 | 127 x 133 x 13 | |||||
100 x 105 x 15 | 220 x 225 x 15 | |||||
130 x 135 x 9.7 | 220 x 225 x 25 | |||||
100 x 106 x 13 | 130 x 135 x 15 | 220 x 228 x 25 | ||||
100 x 106 x 20 | ||||||
100 x 106 x 25 | 135 x 141 x 90 | 235 x 243 x 30 | ||||
100 x 106 x 30 | ||||||
100 x 106 x 40 | 140 x 145 x 9.7 | 250 x 255 x 15 | ||||
100 x 106 x 50 | 140 x 145 x 15 | 250 x 255 x 25 | ||||
105 x 111 x 20 | 140 x 146 x 13 | 255 x 263 x 25 | ||||
140 x 146 x 20 | ||||||
110 x 115 x 9.7 | 140 x 146 x 25 | 264 x 272 x 24 | ||||
110 x 115 x 15 | 140 x 146 x 40 | |||||
110 x 116 x 13 | 140 x148 x 20 | 305 x 313 x 25 | ||||
110 x 116 x 20 | ||||||
110 x 116 x 30 | 150 x 155 x 9.7 | 365 x 373 x 35 | ||||
150 x 155 x 15 | ||||||
115 x 121 x 20 | 150 x 156 x 19.5 | |||||
150 x 156 x 30 | ||||||
120 x 125 x 9.7 | 150 x 158 x 20 | |||||
120 x 125 x 15 | ||||||
120 x 126 x 40 | 160 x 165 x 9.7 | |||||
120 x 126 x 50 | 160 x 165 x 15 | |||||
160 x 166 x 30 | ||||||
125 x 130 x 9.7 | 160 x 168 x 30 | |||||
125 x 130 x 15 | 160 x 168 x 40 |
Our company has introduced many sets of advanced processing equipment and technology to expand the processing capacity of our Hydraulic Piston&Rod Un/Uhs/Uns Seal Ring with Blue and Green Color. The company takes the construction of high-standard, high-quality products and service facilities as the central connotation of corporate culture. We are committed to continuing to promote social responsibility work such as integrity management, innovation-driven, green development, caring for employees, giving back to the society, and building an ecosystem.
Hot Tags: rod wear rings, China, suppliers, manufacturers, factory, customized, bulk, pricelist, quotation, in stock, free sample, Composite Spherical Bearings, Graphite Phenolic Resin Bushings, Bushings, Flange Bearings, Filled PTFE Tubes, Rod Guide Rings