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DF310
Design Introduction
Kintowe DF310 swivel pressure seal is designed specifically for use in hydraulic swivel joints. The seal assembly consists of a carbon filled PTFE seal ring energized by an NBR O-ring . For aggressive media an FKM O-ring can be substituted . The face material and design provides high abrasion resistance and low friction to allow running at low rotational speeds with minimal stick-slip. The low friction is helped by the groove in the sliding face, which provides an oil reservoir. The groove also reduces the contact area with the roating counterfaceand allows a higher contact pressure. The circular recess in the outer diameter increases the contact of the face with the O-ring and minimises the possibility of the sealing components roating relative to each other.
Advantages
●High temperature capability
●Low friction, minimal stick-slip
●Low counterface wear
●Good extrusion resistance
Specification
| Фd1 | ФD1 | L1 | O-Ring | PART No. | Фd1 | ФD1 | L1 | O-Ring | PART No. | |
| 28 | 39.00 | 4.2 | 32.92*3.53 | DF3100280 | 130 | 141.00 | 4.2 | 136.12*3.53 | DF3101300 | |
| 38 | 49.00 | 4.2 | 40.87*3.53 | DF3100380 | 140 | 151.00 | 4.2 | 145.64*3.53 | DF3101400 | |
| 40 | 51.00 | 4.2 | 44.04*3.53 | DF3100400 | 140 | 155.50 | 6.3 | 142.24*5.33 | DF3101401 | |
| 40 | 55.50 | 6.3 | 43.82*5.33 | DF3100401 | 150 | 161.00 | 4.2 | 151.99*3.53 | DF3101500 | |
| 42 | 53.00 | 4.2 | 47.22*3.53 | DF3100420 | 160 | 171.00 | 4.2 | 164.69*3.53 | DF3101600 | |
| 45 | 56.00 | 4.2 | 50.39*3.53 | DF3100450 | 160 | 175.50 | 6.3 | 164.47*5.33 | DF3101601 | |
| 48 | 59.00 | 4.2 | 53.57*3.53 | DF3100480 | 170 | 181.00 | 4.2 | 177.39*3.53 | DF3101700 | |
| 50 | 61.00 | 4.2 | 53.57*3.53 | DF3100500 | 180 | 191.00 | 4.2 | 183.74*3.53 | DF3101800 | |
| 52 | 63.00 | 4.2 | 56.74*3.53 | DF3100520 | 190 | 205.50 | 6.3 | 196.44*3.53 | DF3101900 | |
| 56 | 67.00 | 4.2 | 59.92*3.53 | DF3100560 | 190 | 201.00 | 4.2 | 196.44*3.53 | DF3101901 | |
| 60 | 71.00 | 4.2 | 63.09*3.53 | DF3100600 | 200 | 215.50 | 6.3 | 208.92*5.33 | DF3102000 | |
| 63 | 74.00 | 4.2 | 66.27*3.53 | DF3100630 | 210 | 225.50 | 6.3 | 215.27*5.33 | DF3102100 | |
| 65 | 76.00 | 4.2 | 69.44*3.53 | DF3100650 | 220 | 235.50 | 6.3 | 227.97*5.33 | DF3102200 | |
| 70 | 81.00 | 4.2 | 75.79*3.53 | DF3100700 | 230 | 245.50 | 6.3 | 234.32*5.33 | DF3102300 | |
| 75 | 86.00 | 4.2 | 78.97*3.53 | DF3100750 | 240 | 255.50 | 6.3 | 247.02*5.33 | DF3102400 | |
| 80 | 91.00 | 4.2 | 85.32*3.53 | DF3100800 | 250 | 265.50 | 6.3 | 253.37*5.33 | DF3102500 | |
| 80 | 95.50 | 6.3 | 85.09*5.33 | DF3100801 | 280 | 301.00 | 8.1 | 291.47*6.99 | DF3102800 | |
| 85 | 96.00 | 4.2 | 88.49*3.53 | DF3100850 | 300 | 321.00 | 8.1 | 304.17*6.99 | DF3103000 | |
| 86 | 101.50 | 6.3 | 91.44*5.33 | DF3100860 | 320 | 341.00 | 8.1 | 329.57*6.99 | DF3103200 | |
| 87 | 102.50 | 6.3 | 91.44*5.33 | DF3100870 | 350 | 371.00 | 8.1 | 354.57*6.99 | DF3103500 | |
| 90 | 101.00 | 4.2 | 94.84*3.53 | DF3100900 | 360 | 381.00 | 8.1 | 367.67*6.99 | DF3103600 | |
| 100 | 111.00 | 4.2 | 104.37*3.53 | DF3101000 | 400 | 421.00 | 8.1 | 405.26*6.99 | DF3104000 | |
| 110 | 121.00 | 4.2 | 113.89*3.53 | DF3101100 | 420 | 441.00 | 8.1 | 430.66*6.99 | DF3104200 | |
| 105 | 116.00 | 4.2 | 110.72*3.53 | DF3101050 | 450 | 471.00 | 8.1 | 456.06*6.99 | DF3104500 | |
| 115 | 126.00 | 4.2 | 120.24*3.53 | DF3101150 | 480 | 501.00 | 8.1 | 494.16*6.99 | DF3104800 | |
| 120 | 131.00 | 4.2 | 123.42*3.53 | DF3101200 | 500 | 521.00 | 8.1 | 506.86*6.99 | DF3105000 | |
| 125 | 136.00 | 4.2 | 129.77*3.53 | DF3101250 |