Inch SPGW Piston Seal Hydraulic provides reliable bidirectional sealing for hydraulic cylinders, helping reduce leakage, lower friction, and improve operating stability in demanding industrial and mobile machinery applications.
The Inch SPGW Piston Seal Hydraulic is designed for double-acting hydraulic cylinders requiring stable sealing in both movement directions. Its symmetrical structure helps maintain consistent sealing performance, reduce internal leakage, and support smooth hydraulic operation in high-load industrial and mobile equipment.
This seal is widely used in hydraulic systems for construction equipment, agricultural machinery, mining machinery, marine equipment, and oil & gas applications. With low friction, strong wear resistance, and reliable dynamic sealing capability, it is a practical choice for demanding cylinder applications.
For hydraulic cylinders facing leakage, friction, and unstable piston movement, the Inch SPGW Piston Seal Hydraulic offers a dependable sealing solution. Its double-acting design supports pressure from both directions, helping improve cylinder efficiency, extend service life, and reduce maintenance frequency in heavy-duty hydraulic applications.
| TYPE | D1 | d1 | L1 | ORDER SIZE |
| JSPGW | 3 | 2.522 | 0.579 | 3*2.522*0.579 |
| JSPGW | 3-1/4 | 2.772 | 0.579 | 3-1/4*2.772*0.579 |
| JSPGW | 3-1/2 | 3.02 | 0.579 | 3-1/2*3.02*0.579 |
| JSPGW | 4 | 3.522 | 0.579 | 4*3.522*0.579 |
| JSPGW | 4-1/2 | 4.02 | 0.579 | 4-1/2*4.02*0.579 |
| JSPGW | 4-1/4 | 3.772 | 0.579 | 4-1/4*3.722*0.579 |
| JSPGW | 4-3/4 | 4.27 | 0.579 | 4-3/4*4.27*0.579 |
| JSPGW | 5 | 4.522 | 0.579 | 5*4.422*0.579 |
* All manufacturer's names, part numbers, and descriptions are used for reference purposes only. We do not imply that any part shown is the product of these manufacturers.
We ship worldwide via DHL, FedEx, UPS, TNT, and EMS for small orders, and by sea freight for bulk orders. Standard delivery time is 5–7 working days for small orders and 15–30 days for sea freight.
All products are carefully packaged in neutral packaging with foam protection to prevent damage during transit. Custom packaging with your branding is available for OEM orders.
We accept multiple payment methods for your convenience. For new customers, we typically require 100% advance payment for small orders. For established partnerships, we offer flexible terms including 30% deposit with balance before shipping.