It is our advantages in various aspects that ensure that our Composite Thrust Bearings, Wear Pads, PTFE Products has distinctive features, high quality, and enjoys a high reputation in the market. Hope we can make progress together, seek common development and meet opportunities and challenges together. We always strive to reach the domestic leading and international advanced level in the field of product production and realize the goal of No.1 market share in the industry. We recruit talents to inject fresh blood into the development of the enterprise and enhance the forward momentum of the enterprise.
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 |
We have been working with suppliers, strategic partners and employees to provide China Factory Produces Hydraulic Piston Rod Seal Rings and services that exceed customer expectations. Quality service is the guarantee of our enterprise market share. We meet customers' requirements in all aspects and processes, so that our products and services are deeply trusted by customers, and we have established long-term cooperation and mutually beneficial relationships with them.
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