Our company has always been in line with the corporate tenet of 'thinking from the perspective of customers', using practical actions to provide new and old customers with comprehensive services and high-quality Composite Material Products, Hydraulic Guide Rings, Hydraulic Seals. While receiving information from each customer, we quickly propose solutions for them with our decades of experience. We will always adhere to the correct concept of righteousness and benefit, and build a world-class image of Chinese enterprises as responsible and accountable. Facing the severe situation, we always adhere to the principle of honest management and continuously improve the construction of our governance system. We adhere to the relevant diversification strategy with the enhancement of the competitiveness of our main business as the core, and accelerate the pace of corporate development.
In hydraulic cylinders the most commonly used guides are guide rings and guide strips. They accommodate radial loads of forces acting on the cylinder assembly and guide the rod in the cylinder head as well as the piston in the cylinder bore.
Our rod guide rings are made from round phenolic resin tubes, which is based on modified 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.
work more smoothly against the cylinder bore and the sealing surfaces
high resistance to insufficient lubrication at low speeds
certain self-lubricating properties
significantly longer service life
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 rod guide rings are precision machined according to tight tolerance specifications on the radial section of the guide. Therefore, they optimize guide load distribution and limit radial misalignment of components for best seal performance.
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's mission is to meet the ever-increasing needs of customers. With high technology and years of experience, we provide customers with excellent quality Forklit Cylinder Seals Hard Fabric Wear Ring. The fierce market competition makes the products updated frequently, which requires enterprises to respond quickly. We work together to promote the reform of development concept, development mode and corporate culture, so as to achieve high-quality development through comprehensive innovation.
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