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shirmeyx@dshseals.com
Hydraulic seals, Piston Seals , Oil Seals Manufacturer Supplier for over 20 years .
DSI are double acting composite rod seals composed of a filled PTFE friction ring and pre-tightened rubber O-ring. They can be assembled in grooves according to standard ISO 7425/2. For reciprocating hydraulic systems. Excellent performance in high, medium, low pressure and high load, high frequency conditions. Especially suitable for long strokes. Suitable for larger rod diameters in fluids and high pressures such as bulldozers, excavators, forging machines, brick presses, rolling mills, servo valves and other machine tools.
Advantages
Optimal seal for static and dynamic applications.
Low coefficient of friction; no stick-slip effect.
Excellent wear resistance and extrusion resistance.
Wide temperature range and excellent chemical resistance, depending on the material chosen for the O-ring.
◆◆ PTFE+NBR/FKM
| Material description | PTFE filled Bronze, PTFE filled carbon fiber and MoS2, PTFE filled Graphite, PTFE filled PI, PTFE filled Ekonol, PU and so on. |
| Available Color | Black, green, coffee, white, red, blue, gold and so on |
| Material Strength | High precision, excellent wear resistance, good self-lubricating performance, environmental protection. |
| temperature | -45~+200℃ |
| speed | ≤15m/s |
| pressure | ≤60MPa |
| Medium | Mineral oil based hydraulic fluids,barely flammable hydraulic fluids,water,air and others. |
| Applied device | Special cylinders / Pumps and valves / Machine tools / Robotics / Servo equipment, etc. |
◆◆ Slide Ring for Rod - DSI
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| Technical Data | |||||||
| Pressure | Temperature | Sliding speed | Medium | ||||
| Standard | ≤60 MPa | -45 ... +200 ℃ | ≤15 m/s | Mineral oil based hydraulic fluids,barely flammable hydraulic fluids, water,air and others. | |||
| Material | |||||||
| 0-ring | Slide ring | ||||||
| Standard | NBR | PTFE-Bronze | |||||
| Special(on request) | FKM | PTFE-carbon | |||||
| Pressure | 160bar | 250bar | 400bar | ||||
| Max Gap E | E≤0.6mm | E≤0.4mm | E≤0.2mm | ||||
| Order Example for standard version: | |||||||
| Diameter d=80mm | |||||||
| Order Code: DSI 80*95.1*6.3 | |||||||
| Installation Dimension table based on Metric Size(mm) | |||||||
| d h9 | D H9 | L +0.2 | d1 | R1≤ | |||
| 3~18 | d+4.9 | 2.2 | 1.8 | 0.4 | |||
| 8~36 | d+7.3 | 3.2 | 2.65 | 0.4 | |||
| 19~200 | d+10.7 | 4.2 | 3.55 | 0.8 | |||
| 38~250 | d+15.1 | 6.3 | 5.3 | 1.2 | |||
| 100~400 | d+20.5 | 8.1 | 7 | 1.6 | |||
| 250~760 | d+24 | 8.1 | 7 | 1.6 | |||
| 650~1500 | d+27.3 | 9.5 | 8.6 | 2 | |||
| 1000~1500 | d+38 | 13.8 | 12 | 2 | |||
| Order Number | d h9 | D H9 | L +0.2 | Order Number | d h9 | D H9 | L +0.2 | |
| DSI0030 | 3 | 7.9 | 2.2 | DSI0300 | 30 | 40.7 | 4.2 | |
| DSI0040 | 4 | 8.9 | 2.2 | DSI0320L | 32 | 39.3 | 3.2 | |
| DSI0050 | 5 | 9.9 | 2.2 | DSI0320 | 32 | 42.7 | 4.2 | |
| DSI0060 | 6 | 10.9 | 2.2 | DSI0350L | 35 | 42.3 | 3.2 | |
| DSI0080L | 8 | 12.9 | 2.2 | DSI0350 | 35 | 45.7 | 4.2 | |
| DSI0080 | 8 | 15.3 | 3.2 | DSI0360L | 36 | 43.3 | 3.2 | |
| DSI0100L | 10 | 14.9 | 2.2 | DSI0360 | 36 | 46.7 | 4.2 | |
| DSI0100 | 10 | 17.3 | 3.2 | DSI0380L | 38 | 48.7 | 4.2 | |
| DSI0120L | 12 | 16.9 | 2.2 | DSI0380 | 38 | 53.1 | 6.3 | |
| DSI0120 | 12 | 19.3 | 3.2 | DSI0400L | 40 | 50.7 | 4.2 | |
| DSI0140L | 14 | 18.9 | 2.2 | DSI0400 | 40 | 55.1 | 6.3 | |
| DSI0140 | 14 | 21.3 | 3.2 | DSI0420L | 42 | 52.7 | 4.2 | |
| DSI0160L | 16 | 20.9 | 2.2 | DSI0420 | 42 | 57.1 | 6.3 | |
| DSI0160 | 16 | 23.3 | 3.2 | DSI0450L | 45 | 55.7 | 4.2 | |
| DSI0180L | 18 | 22.9 | 2.2 | DSI0450 | 45 | 60.1 | 6.3 | |
| DSI0180 | 18 | 25.3 | 3.2 | DSI0480L | 48 | 58.7 | 4.2 | |
| DSI0200L | 20 | 27.3 | 3.2 | DSI0480 | 48 | 63.1 | 6.3 | |
| DSI0200 | 20 | 30.7 | 4.2 | DSI0500L | 50 | 60.7 | 4.2 | |
| DSI0220L | 22 | 29.3 | 3.2 | DSI0500 | 50 | 65.1 | 6.3 | |
| DSI0220 | 22 | 32.7 | 4.2 | DSI0550L | 55 | 65.7 | 4.2 | |
| DSI0240L | 24 | 31.3 | 3.2 | DSI0550 | 55 | 70.1 | 6.3 | |
| DSI0250 | 24 | 34.7 | 4.2 | DSI0600L | 60 | 70.7 | 4.2 | |
| DSI0250L | 25 | 32.3 | 3.2 | DSI0600 | 60 | 75.1 | 6.3 | |
| DSI0260 | 25 | 35.7 | 4.2 | DSI0630L | 63 | 73.7 | 4.2 | |
| DSI0280L | 28 | 35.3 | 3.2 | DSI0630 | 63 | 78.1 | 6.3 | |
| DSI0280 | 28 | 38.7 | 4.2 | DSI0640L | 64 | 74.7 | 4.2 | |
| DSI0300L | 30 | 37.3 | 3.2 | DSI0640 | 79.1 | 6.3 | ||
| Order Number | d h9 | D H9 | L +0.2 | Order Number | d h9 | D H9 | L +0.2 | |
| DSI0650L | 65 | 75.7 | 4.2 | DSI1600L | 160 | 170.7 | 4.2 | |
| DSI0650 | 65 | 80.1 | 6.3 | DSI1600 | 160 | 175.1 | 6.3 | |
| DSI0700L | 70 | 80.7 | 4.2 | DSI1650L | 165 | 175.7 | 4.2 | |
| DSI0700 | 70 | 85.1 | 6.3 | DSI1650 | 165 | 180.1 | 6.3 | |
| DSI0720L | 72 | 82.7 | 4.2 | DSI1700L | 170 | 180.7 | 4.2 | |
| DSI0720 | 72 | 87.1 | 6.3 | DSI1700 | 170 | 185.1 | 6.3 | |
| DSI0750L | 75 | 85.7 | 4.2 | DSI1750L | 175 | 185.7 | 4.2 | |
| DSI0750 | 75 | 90.1 | 6.3 | DSI1750 | 175 | 190.1 | 6.3 | |
| DSI0800L | 80 | 90.7 | 4.2 | DSI1800L | 180 | 190.7 | 4.2 | |
| DSI0800 | 80 | 95.1 | 6.3 | DSI1800 | 180 | 195.1 | 6.3 | |
| DSI0850L | 85 | 95.7 | 4.2 | DSI1850 | 185 | 200.1 | 6.3 | |
| DSI0850 | 85 | 100.1 | 6.3 | DSI1900L | 190 | 200.7 | 4.2 | |
| DSI0900L | 90 | 100.7 | 4.2 | DSI1900 | 190 | 205.1 | 6.3 | |
| DSI0900 | 90 | 105.1 | 6.3 | DSI2000L | 200 | 215.1 | 6.3 | |
| DSI0950L | 95 | 105.7 | 4.2 | DSI2000 | 200 | 220.5 | 8.1 | |
| DSI0950 | 95 | 110.1 | 6.3 | DSI2100L | 210 | 225.1 | 6.3 | |
| DSI1000L | 100 | 110.7 | 4.2 | DSI2100 | 210 | 230.5 | 8.1 | |
| DSI1000 | 100 | 115.1 | 6.3 | DSI2200L | 220 | 235.1 | 6.3 | |
| DSI1050L | 105 | 115.7 | 4.2 | DSI2200 | 220 | 240.5 | 8.1 | |
| DSI1050 | 105 | 120.1 | 6.3 | DSI2300L | 230 | 245.1 | 6.3 | |
| DSI1100L | 110 | 120.7 | 4.2 | DSI2300 | 230 | 250.5 | 8.1 | |
| DSI1100 | 110 | 125.1 | 6.3 | DSI2400L | 240 | 255.1 | 6.3 | |
| DSI1150L | 115 | 125.7 | 4.2 | DSI2400 | 240 | 260.5 | 8.1 | |
| DSI1150 | 115 | 130.1 | 6.3 | DSI2500L | 250 | 265.1 | 6.3 | |
| DSI1200L | 120 | 130.7 | 4.2 | DSI2500 | 250 | 270.5 | 8.1 | |
| DSI1200 | 120 | 135.1 | 6.3 | DSI2600L | 260 | 280.5 | 8.1 | |
| DSI1250L | 125 | 135.7 | 4.2 | DSI2600 | 260 | 284 | 8.1 | |
| DSI1250 | 125 | 140.1 | 6.3 | DSI2700L | 270 | 290.5 | 8.1 | |
| DSI1300L | 130 | 140.7 | 4.2 | DSI2700 | 270 | 294 | 8.1 | |
| DSI1300 | 130 | 145.1 | 6.3 | DSI2800L | 280 | 300.5 | 8.1 | |
| DSI1350L | 135 | 145.7 | 4.2 | DSI2800 | 280 | 304 | 8.1 | |
| DSI1350 | 135 | 150.1 | 6.3 | DSI2900L | 290 | 310.5 | 8.1 | |
| DSI1400L | 140 | 150.7 | 4.2 | DSI2900 | 290 | 314 | 8.1 | |
| DSI1400 | 140 | 155.1 | 6.3 | DSI3000L | 300 | 320.5 | 8.1 | |
| DSI1450L | 145 | 155.7 | 4.2 | DSI3000 | 300 | 324 | 8.1 | |
| DSI1450 | 145 | 160.1 | 6.3 | DSI3100L | 310 | 330.5 | 8.1 | |
| DSI1500L | 150 | 160.7 | 4.2 | DSI3100 | 310 | 334 | 8.1 | |
| DSI1500 | 150 | 165.1 | 6.3 | DSI3200L | 320 | 340.5 | 8.1 | |
| DSI1550L | 155 | 165.7 | 4.2 | DSI3200 | 320 | 344 | 8.1 | |
| DSI1550 | 155 | 170.1 | 6.3 | DSI3300L | 330 | 350.5 | 8.1 | |
| Order Number | d h9 | D H9 | L +0.2 | Order Number | d h9 | D H9 | L +0.2 | |
| DSI3300 | 330 | 354 | 8.1 | DSI5500 | 550 | 574 | 8.1 | |
| DSI3400L | 340 | 360.5 | 8.1 | DSI5800 | 580 | 604 | 8.1 | |
| DSI3400 | 340 | 364 | 8.1 | DSI5900 | 590 | 614 | 8.1 | |
| DSI3500L | 350 | 370.5 | 8.1 | DSI6000 | 600 | 624 | 8.1 | |
| DSI3500 | 350 | 374 | 8.1 | DSI6100 | 610 | 634 | 8.1 | |
| DSI3600L | 360 | 380.5 | 8.1 | DSI6200 | 620 | 644 | 8.1 | |
| DSI3600 | 360 | 384 | 8.1 | DSI6300 | 630 | 654 | 8.1 | |
| DSI3700L | 370 | 390.5 | 8.1 | DSI6400 | 640 | 664 | 8.1 | |
| DSI3700 | 370 | 394 | 8.1 | DSI6500 | 650 | 677.3 | 9.5 | |
| DSI3800L | 380 | 400.5 | 8.1 | DSI6600 | 660 | 687.3 | 9.5 | |
| DSI3800 | 380 | 404 | 8.1 | DSI6700 | 670 | 697.3 | 9.5 | |
| DSI3900L | 390 | 410.5 | 8.1 | DSI6800 | 680 | 707.3 | 9.5 | |
| DSI3900 | 390 | 414 | 8.1 | DSI6900 | 690 | 717.3 | 9.5 | |
| DSI4000L | 400 | 420.5 | 8.1 | DSI7000 | 700 | 727.3 | 9.5 | |
| DSI4000 | 400 | 424 | 8.1 | DSI7100 | 710 | 737.3 | 9.5 | |
| DSI4100 | 410 | 434 | 8.1 | DSI7500 | 750 | 777.3 | 9.5 | |
| DSI4200 | 420 | 444 | 8.1 | DSI7700 | 770 | 797.3 | 9.5 | |
| DSI4300 | 430 | 454 | 8.1 | DSI8000 | 800 | 827.3 | 9.5 | |
| DSI4400 | 440 | 464 | 8.1 | DSI8500 | 850 | 877.3 | 9.5 | |
| DSI4500 | 450 | 474 | 8.1 | DSI8700 | 870 | 897.3 | 9.5 | |
| DSI4600 | 460 | 484 | 8.1 | DSI9000 | 900 | 927.3 | 9.5 | |
| DSI4700 | 470 | 494 | 8.1 | DSI9500 | 950 | 977.3 | 9.5 | |
| DSI4800 | 480 | 504 | 8.1 | DSI9600 | 960 | 987.3 | 9.5 | |
| DSI4900 | 490 | 514 | 8.1 | DSI10000 | 1000 | 1038 | 13.8 | |
| DSI5000 | 500 | 524 | 8.1 | DSI11200 | 1120 | 1158 | 13.8 | |
| DSI5100 | 510 | 534 | 8.1 | DSI12000 | 1200 | 1238 | 13.8 | |
| DSI5200 | 520 | 544 | 8.1 | DSI13000 | 1300 | 1338 | 13.8 | |
| DSI5300 | 530 | 554 | 8.1 | DSI13300 | 1330 | 1368 | 13.8 | |
| DSI5400 | 540 | 564 | 8.1 | DSI14000 | 1400 | 1438 | 13.8 |
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