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| Profile | GDKK / GD1000K |
| Media | Mineral Oils, Water Based Fluids |
| Name | PTFE Back Up Ring |
| Type | Back Up Ring, Support Ring |
| Speed | 1m/s |
| Pressure | 0~45MPa |
| Payment Terms | T/T |
| Dimensions | D 40~1400 x d 26~1370mm |
| Temperature | -30°C to +120°C |
| Material | Virgin PTFE |
| Features | Low Friction, Fluid Resistant, No Stick-slip |
| Application | Metallurgy, Presses, Mining, Offshore |
| Seal Type | Static Seal / Back-up Rings |
| Place of Origin | China(mainland) |
| Certification | ISO9001, IATF16949, ISO14001, ISO45001 |
| Model Number | BG |
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Product Specification
| Profile | GDKK / GD1000K | Media | Mineral Oils, Water Based Fluids |
| Name | PTFE Back Up Ring | Type | Back Up Ring, Support Ring |
| Speed | 1m/s | Pressure | 0~45MPa |
| Payment Terms | T/T | Dimensions | D 40~1400 x d 26~1370mm |
| Temperature | -30°C to +120°C | Material | Virgin PTFE |
| Features | Low Friction, Fluid Resistant, No Stick-slip | Application | Metallurgy, Presses, Mining, Offshore |
| Seal Type | Static Seal / Back-up Rings | Place of Origin | China(mainland) |
| Certification | ISO9001, IATF16949, ISO14001, ISO45001 | Model Number | BG |
| High Light | Virgin PTFE Back Up Ring ，PTFE Backup Rings ，Support Rings Low Friction | ||
Virgin PTFE Back Up Ring Cut Support Rings BG
The GDKK is a double-acting piston compact seal, consisting of a slide ring, an elastic ring, two support rings, and two bearing rings. The bearing rings provide positioning and guidance, while the elastic ring provides pre-load and compensates for wear of the sealing ring. It is compatible with the sliding ring and integrated support rings to form a complete system, providing excellent sealing effects for hydraulic cylinders.
| GDKK / GD1000K Profile | Material | Elastomer ① | Slide ring ② | Support rings ③ | Bearing rings ④ | |
|
|
Standrad | HPU, NBR | PTFE-Bronze-Compound | POM, PA | POM, PA | |
| Special (upon request) | HNBR, FKM | PTFE-Carbon/graphite -compound | TPE | F-PTFE, PEEK |
| Pressure | Speed | Temperature | Media |
| 0~45MPa | 1m/s |
–30° C / +120° C |
hydraulic mineral oils, water based fluids |
| P/N | D | d | b | d2 | d3 | a | c | f | e |
| GDKK0400 | 40 | 26 | 32 | 32 | 36 | 3 | 15.5 | 8.25 | 7 |
| GDKK0450 | 45 | 31 | 32 | 37 | 41 | 3 | 15.5 | 8.25 | 7 |
| GDKK0500 | 50 | 34 | 39 | 42 | 46 | 3 | 20.5 | 9.25 | 7 |
| GDKK0560 | 56 | 40 | 39 | 48 | 52 | 3 | 20.5 | 9.25 | 7 |
| GDKK0630 | 63 | 47 | 39 | 55 | 59 | 3 | 20.5 | 9.25 | 7 |
| GDKK0650 | 65 | 49 | 39 | 57 | 61 | 3 | 20.5 | 9.25 | 7 |
| GDKK0700 | 70 | 54 | 39 | 62 | 66 | 3 | 20.5 | 9.25 | 7 |
| GDKK0750 | 75 | 59 | 39 | 67 | 71 | 3 | 20.5 | 9.25 | 7 |
| GDKK0800 | 80 | 62 | 43 | 72 | 76 | 3 | 22.5 | 10.25 | 7 |
| GDKK0850 | 85 | 67 | 43 | 77 | 81 | 3 | 22.5 | 10.25 | 7 |
| GDKK0900 | 90 | 72 | 43 | 82 | 86 | 3 | 22.5 | 10.25 | 7 |
| GDKK0950 | 95 | 77 | 43 | 87 | 91 | 3 | 22.5 | 10.25 | 7 |
| GDKK1000 | 100 | 82 | 43 | 92 | 96 | 3 | 22.5 | 10.25 | 10 |
| GDKK1100 | 110 | 92 | 43 | 102 | 106 | 3 | 22.5 | 10.25 | 10 |
| GDKK1150 | 115 | 97 | 43 | 107 | 111 | 3 | 22.5 | 10.25 | 10 |
| GDKK1200 | 120 | 102 | 43 | 112 | 116 | 3 | 22.5 | 10.25 | 10 |
| GDKK1250 | 125 | 103 | 53 | 115 | 121 | 4 | 26.5 | 13.25 | 10 |
| GDKK1300 | 130 | 108 | 53 | 120 | 126 | 4 | 26.5 | 13.25 | 10 |
| GDKK1400 | 140 | 118 | 53 | 130 | 136 | 4 | 26.5 | 13.25 | 10 |
| GDKK1500 | 150 | 128 | 53 | 140 | 146 | 4 | 26.5 | 13.25 | 10 |
| GDKK1600 | 160 | 138 | 53 | 150 | 156 | 4 | 26.5 | 13.25 | 10 |
| GDKK1700 | 170 | 148 | 57 | 160 | 166 | 6 | 26.5 | 15.25 | 10 |
| GDKK1800 | 180 | 158 | 57 | 170 | 176 | 6 | 26.5 | 15.25 | 10 |
| GDKK1900 | 190 | 165 | 64 | 180 | 186 | 4.5 | 31.5 | 16.25 | 10 |
| GDKK2000 | 200 | 175 | 64 | 190 | 196 | 4.5 | 31.5 | 16.25 | 10 |
| GDKK2100 | 210 | 185 | 71 | 200 | 206 | 8 | 31.5 | 19.75 | 12 |
| GDKK2200 | 220 | 195 | 71 | 210 | 216 | 8 | 31.5 | 19.75 | 12 |
| GDKK2250 | 225 | 200 | 71 | 215 | 221 | 8 | 31.5 | 19.75 | 12 |
| GDKK2300 | 230 | 205 | 85 | 220 | 226 | 15 | 31.5 | 26.75 | 12 |
| GDKK2400 | 240 | 205 | 85 | 230 | 236 | 15 | 31.5 | 26.75 | 12 |
| GDKK2500 | 250 | 225 | 85 | 240 | 246 | 15 | 31.5 | 26.75 | 12 |
| GDKK2750 | 275 | 250 | 85 | 265 | 271 | 15 | 31.5 | 26.75 | 12 |
| GDKK2800 | 280 | 255 | 85 | 270 | 276 | 15 | 31.5 | 26.75 | 12 |
| GDKK2900 | 290 | 265 | 85 | 280 | 286 | 15 | 31.5 | 26.75 | 12 |
| GDKK3000 | 300 | 275 | 85 | 290 | 296 | 15 | 31.5 | 26.75 | 12 |
| GDKK3100 | 310 | 280 | 80 | 298 | 304 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK3200 | 320 | 290 | 80 | 308 | 314 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK3500 | 350 | 320 | 80 | 338 | 344 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK3600 | 360 | 330 | 80 | 348 | 354 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK3800 | 380 | 350 | 80 | 368 | 374 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK4000 | 400 | 370 | 80 | 388 | 394 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK4200 | 420 | 390 | 80 | 408 | 414 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK4500 | 450 | 420 | 80 | 438 | 444 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK4800 | 480 | 450 | 80 | 468 | 474 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK5000 | 500 | 470 | 80 | 488 | 494 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK5400 | 540 | 510 | 80 | 528 | 534 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK5600 | 560 | 530 | 80 | 548 | 554 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK5800 | 580 | 550 | 80 | 568 | 574 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK6000 | 600 | 570 | 80 | 588 | 594 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK6300 | 630 | 600 | 80 | 618 | 624 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK6400 | 640 | 610 | 80 | 628 | 634 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK6500 | 650 | 620 | 80 | 638 | 644 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK6800 | 680 | 650 | 80 | 668 | 674 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK7000 | 700 | 670 | 80 | 688 | 694 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK7500 | 750 | 720 | 80 | 738 | 744 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK8000 | 800 | 770 | 80 | 788 | 794 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK1200X | 1200 | 1170 | 80 | 1188 | 1194 | 8.5 | 36.5 | 21.75 | 15 |
| GDKK1400X | 1400 | 1370 | 80 | 1388 | 1394 | 8.5 | 36.5 | 21.75 | 15 |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2023
Total Annual:
100-150
Employee Number:
50~60
Ecer Certification：
Verified Supplier
We are a technical service provider and strategic trade partner specializing in high-performance sealing technology and industrial components. Beyond serving the traditional power transmission sectors—such as hydraulic and pneumatic sealing—we provide specialized, custom-engineered... We are a technical service provider and strategic trade partner specializing in high-performance sealing technology and industrial components. Beyond serving the traditional power transmission sectors—such as hydraulic and pneumatic sealing—we provide specialized, custom-engineered...
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