SWKS Seal, with over 10 years experience, is one of the leading piston seal ring for hydraulic cylinders manufacturers and suppliers in China. And we also offer the customized service catering to your special requirement. Please be free to buy the rubber products with competitive price from us.
Piston Cup Seals
| Materials | PU |
| Size | 40*55*10,and so on |
| Temperature | -30~120 |
| MOQ | 10 pieces |
| Packing | PP bag inside,carton box outside |
| Other Size We Also Have | ||||
| 16-22-4 | 55-65-6 | 75-90-9 | 105-120-9 | 120-140-15 |
| 25-32-5 | 55-68-10 | 75-90-10 | 105-120-10 | 125-140-9 |
| 25-33-5 | 55-70-9 | 75-95-12 | 105-125-12 | 125-140-10 |
| 30-40-6 | 55-70-10 | 80-90-6 | 105-125-15 | 130-145-9 |
| 30-40-7 | 55-75-12 | 80-90-8 | 110-125-9 | 130-145-10 |
| 35-45-6 | 60-70-6 | 80-93-10 | 110-125-10 | 130-150-10 |
| 35-45-7 | 60-75-9 | 80-95-9 | 110-130-10 | 130-150-12 |
| 35-50-9 | 60-75-10 | 80-95-10 | 110-130-12 | 130-150-13 |
| 38-48-6 | 60-73-10 | 80-100-12 | 110-130-13 | 130-150-16 |
| 40-50-6 | 63-75-6 | 85-100-9 | 110-130-15 | 135-150-9 |
| 40-50-7 | 65-75-6 | 85-100-10 | 115-130-9 | 140-155-9 |
| 40-50-8 | 65-78-10 | 85-105-12 | 115-130-10 | 140-150-6 |
| 40-55-9 | 65-80-9 | 90-105-9 | 115-130-15 | 140-160-10 |
| 40-55-12 | 65-80-10 | 90-105-10 | 115-135-12 | 140-160-12 |
| 45-55-6 | 65-80-12 | 90-110-12 | 115-135-16 | 140-160-13 |
| 45-55-7 | 65-85-12 | 90-110-13 | 115-140-15 | 140-160-16 |
| 45-60-9 | 70-80-6 | 95-110-9 | 118-133-9 | 150-165-9 |
| 45-60-10 | 70-83-10 | 95-110-10 | 120-135-9 | 150-170-12 |
| 45-65-12 | 70-85-9 | 95-115-12 | 120-135-10 | 160-180-16 |
| 50-60-6 | 70-85-10 | 98-112-8.5 | 120-140-13 | 160-175-9 |
| 50-65-9 | 70-90-12 | 100-115-9 | 120-140-10 | 210-230-12 |
| 50-63-10 | 75-85-6 | 100-115-10 | 120-140-12 | 220-240-12 |
| 50-69-9 | 75-88-10 | 100-120-12 | 120-140-13 | 250-270-12 |
Hydraulic systems are sealed using a combination of specialized seals. The main tasks of hydraulic seals are to retain hydraulic fluids, to exclude solid or liquid contaminations, maintain rod and pistons alignment and to maintain the hydraulic pressure. In extreme cases, seals need to withstand high pressures, extreme temperatures and transverse forces within the cylinder. Thus in the application, the function of Hydraulic Seals goes far beyond preventing fluid leakage.
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