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| Type | Hydraulic Buffer Seal |
| Material | PTFE Bronze + NBR |
| Payment Terms | T/T |
| Seal Type | Stepseal / Piston Buffer Seal |
| Temperature | -30℃~+110℃ |
| Diameter Range | 5mm~2000mm |
| Certification | ISO9001, IATF16949, ISO14001, ISO45001 |
| Model Number | GSD |
| Place of Origin | China(mainland) |
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Product Specification
| Type | Hydraulic Buffer Seal | Material | PTFE Bronze + NBR |
| Payment Terms | T/T | Seal Type | Stepseal / Piston Buffer Seal |
| Temperature | -30℃~+110℃ | Diameter Range | 5mm~2000mm |
| Certification | ISO9001, IATF16949, ISO14001, ISO45001 | Model Number | GSD |
| Place of Origin | China(mainland) | ||
| High Light | Single Acting Hydraulic Buffer Seal ，Hydraulic Buffer Seal Low Friction ，Teflon Stepseal 2K | ||
Piston Buffer Seal Teflon Step Seal 2K GSD
The 2K Piston Step seal is a single-acting piston seal designed for high-performance reciprocating hydraulic systems. It excels in demanding heavy-duty applications, delivering reliable leakage control under both high and low-pressure conditions, as well as high-frequency operations.
| Pressure | Speed | Temperature | Media |
| 0~60MPa | 5m/s |
–30° C / +120° C(depends on the o-ring material) |
hydraulic mineral oils, water based fluids |
| DN H9-Standard | DN H9-Light Load | DN H9-Heavy Load | d1 h9 | L1+0.2 | r1 | S max-10 Mpa | S max-20 Mpa | S max-40 Mpa | d2 |
| 8-16.9 | 17-26.9 | - | DN-4.9 | 2.2 | 0.4 | 0.3 | 0.2 | 0.15 | 1.78 |
| 17-26.9 | 27-59.9 | - | DN-7.3 | 3.2 | 0.6 | 0.4 | 0.25 | 0.15 | 2.62 |
| 27-59.9 | 60-199.9 | 17-26.9 | DN-10.7 | 4.2 | 1 | 0.4 | 0.25 | 0.2 | 3.53 |
| 60-199.9 | 200-255.9 | 27-59.9 | DN-15.1 | 6.3 | 1.3 | 0.5 | 0.3 | 0.2 | 5.33 |
| 200-255.9 | 256-669.9 | 60-199.9 | DN-20.5 | 8.1 | 1.8 | 0.6 | 0.35 | 0.25 | 7 |
| 256-669.9 | 670-99.9 | 200-255.9 | DN-24.0 | 8.1 | 1.8 | 0.6 | 0.35 | 0.25 | 7 |
| 670-999.9 | - | 256-669.9 | DN-27.3 | 9.5 | 2.5 | 0.7 | 0.5 | 0.3 | 8.4 |
| >1000 | >1000 | >1000 | DN-38.0 | 13.8 | 3 | 1 | 0.7 | 0.6 | 12 |
| P/N | DN H9 | d1 h9 | L1+0.2 |
| GSD0080 | 8 | 3.1 | 2.2 |
| GSD0100 | 10 | 5.1 | 2.2 |
| GSD0120 | 12 | 7.1 | 2.2 |
| GSD0150 | 15 | 10.1 | 2.2 |
| GSD0180 | 18 | 10.7 | 3.2 |
| GSD0200 | 20 | 12.7 | 3.2 |
| GSD0220 | 22 | 14.7 | 3.2 |
| GSD0250 | 25 | 17.7 | 3.2 |
| GSD0270 | 27 | 16.3 | 4.2 |
| GSD0280 | 28 | 17.3 | 4.2 |
| GSD0300 | 30 | 19.3 | 4.2 |
| GSD0320 | 32 | 21.3 | 4.2 |
| GSD0350 | 35 | 24.3 | 4.2 |
| GSD0360 | 36 | 25.3 | 4.2 |
| GSD0380 | 38 | 27.3 | 4.2 |
| GSD0400 | 40 | 29.3 | 4.2 |
| GSD0450 | 45 | 34.3 | 4.2 |
| GSD0480 | 48 | 37.3 | 4.2 |
| GSD0500 | 50 | 39.3 | 4.2 |
| GSD0520 | 52 | 41.3 | 4.2 |
| GSD0550 | 55 | 44.3 | 4.2 |
| GSD0600 | 60 | 44.9 | 6.3 |
| GSD0630 | 63 | 47.9 | 6.3 |
| GSD0640 | 64 | 48.9 | 6.3 |
| GSD0650 | 65 | 49.9 | 6.3 |
| GSD0700 | 70 | 54.9 | 6.3 |
| GSD0750 | 75 | 59.9 | 6.3 |
| GSD0800 | 80 | 64.9 | 6.3 |
| GSD0850 | 85 | 69.9 | 6.3 |
| GSD0900 | 90 | 74.9 | 6.3 |
| GSD0950 | 95 | 79.9 | 6.3 |
| GSD1000 | 100 | 84.9 | 6.3 |
| GSD1100 | 110 | 94.9 | 6.3 |
| GSD1200 | 120 | 104.9 | 6.3 |
| GSD1250 | 125 | 104.5 | 6.3 |
| GSD1300 | 130 | 114.9 | 6.3 |
| GSD1350 | 135 | 119.9 | 6.3 |
| GSD1400 | 140 | 124.9 | 6.3 |
| GSD1450 | 145 | 129.9 | 6.3 |
| GSD1500 | 150 | 134.9 | 6.3 |
| GSD1550 | 155 | 139.9 | 6.3 |
| GSD1600 | 160 | 144.9 | 6.3 |
| GSD1650 | 165 | 149.9 | 6.3 |
| GSD1700 | 170 | 154.9 | 6.3 |
| GSD1750 | 175 | 159.9 | 6.3 |
| GSD1800 | 180 | 164.9 | 6.3 |
| GSD1900 | 190 | 174.9 | 6.3 |
| GSD2000 | 200 | 184.9 | 6.3 |
| GSD2100 | 210 | 189.5 | 8.1 |
| GSD2200 | 220 | 204.9 | 6.3 |
| GSD2300 | 230 | 209.5 | 8.1 |
| GSD2400 | 240 | 219.5 | 8.1 |
| GSD2500 | 250 | 229.5 | 8.1 |
| GSD2560 | 256 | 232 | 8.1 |
| GSD2600 | 260 | 236 | 8.1 |
| GSD2700 | 270 | 246 | 8.1 |
| GSD2800 | 280 | 256 | 8.1 |
| GSD2900 | 290 | 266 | 8.1 |
| GSD3000 | 300 | 276 | 8.1 |
| GSD3100 | 310 | 286 | 8.1 |
| GSD3200 | 320 | 299.5 | 8.1 |
| GSD3300 | 330 | 306 | 8.1 |
| GSD3400 | 340 | 316 | 8.1 |
| GSD3500 | 350 | 326 | 8.1 |
| GSD3600 | 360 | 336 | 8.1 |
| GSD3700 | 370 | 346 | 8.1 |
| GSD3800 | 380 | 356 | 8.1 |
| GSD3900 | 390 | 366 | 8.1 |
| GSD4000 | 400 | 376 | 8.1 |
| GSD4100 | 410 | 386 | 8.1 |
| GSD4200 | 420 | 396 | 8.1 |
| GSD4300 | 430 | 406 | 8.1 |
| GSD4400 | 440 | 416 | 8.1 |
| GSD4500 | 450 | 426 | 8.1 |
| GSD4600 | 460 | 436 | 8.1 |
| GSD4700 | 470 | 446 | 8.1 |
| GSD4800 | 480 | 456 | 8.1 |
| GSD4900 | 490 | 466 | 8.1 |
| GSD5000 | 500 | 476 | 8.1 |
| GSD5100 | 510 | 486 | 8.1 |
| GSD5200 | 520 | 496 | 8.1 |
| GSD5300 | 530 | 506 | 8.1 |
| GSD5400 | 540 | 516 | 8.1 |
| GSD5500 | 550 | 526 | 8.1 |
| GSD5600 | 560 | 536 | 8.1 |
| GSD5700 | 570 | 546 | 8.1 |
| GSD5800 | 580 | 556 | 8.1 |
| GSD5900 | 590 | 566 | 8.1 |
| GSD6000 | 600 | 576 | 8.1 |
| GSD6100 | 610 | 586 | 8.1 |
| GSD6200 | 620 | 596 | 8.1 |
| GSD6300 | 630 | 606 | 8.1 |
| GSD6400 | 640 | 616 | 8.1 |
| GSD6500 | 650 | 626 | 8.1 |
| GSD6600 | 660 | 636 | 8.1 |
| GSD6700 | 670 | 642.7 | 9.5 |
| GSD6800 | 680 | 652.7 | 9.5 |
| GSD6900 | 690 | 662.7 | 9.5 |
| GSD7000 | 700 | 672.7 | 9.5 |
| GSD7100 | 710 | 682.7 | 9.5 |
| GSD7200 | 720 | 692.7 | 9.5 |
| GSD7300 | 730 | 702.7 | 9.5 |
| GSD7400 | 740 | 712.7 | 9.5 |
| GSD7500 | 750 | 722.7 | 9.5 |
| GSD7600 | 760 | 732.7 | 9.5 |
| GSD7700 | 770 | 742.7 | 9.5 |
| GSD7800 | 780 | 752.7 | 9.5 |
| GSD7900 | 790 | 762.7 | 9.5 |
| GSD8000 | 800 | 772.7 | 9.5 |
| GSD9000 | 900 | 872.7 | 9.5 |
| GSD9200 | 920 | 892.7 | 9.5 |
| GSDX1000 | 1000 | 972.7 | 9.5 |
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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