Hebei Jinwo Machinery Technology Co., Ltd. is one of the leading manufacturers and suppliers of heavy duty hydraulic das compact seal in China. With abundant experience, we warmly welcome you to buy bulk durable heavy duty hydraulic das compact seal in stock here from our factory. All customized products are with high quality and competitive price. Contact us for quotation.
The Heavy Duty Hydraulic DAS Compact Seal is an integrated five-piece solution designed for double-acting pistons. Featuring a central NBR element, back-up rings, and POM guides, it provides exceptional leak-free performance under high pressure. This space-saving design ensures optimal cylinder alignment and prevents seal extrusion in demanding industrial applications.
Essential Fitment & Specs
Parameter | Specifications |
Type | DAS / Compact Seal (5-Piece Set) |
Material Type | Premium NBR (Seal) + TPE/PU (Back-up) + POM (Guide) |
Max. Pressure | ≤ 31.5 MPa |
Temp. | -30°C to +110°C |
Max. Speed | ≤ 0.5 m/s |
Media | Mineral Oil-Based Hydraulic Fluids |
Size | Standard Metric Sizes Available |
Application | Heavy-Duty Double-Acting Pistons |
Integrated Multi-Component Synergy
The Heavy Duty Hydraulic DAS Compact Seal is a sophisticated five-piece combination designed for double-acting piston applications where reliable sealing and guiding are essential.
The system components work in perfect synergy: a Nitrile Rubber (NBR) ring in the center provides excellent dynamic sealing under pressure. While this assembly functions as a high-performance piston unit, its multi-component reliability is comparable to a specialized combi oil seal in complex systems.
On both sides of the NBR ring are back-up rings made of a harder polyester elastomer or PU, which prevent the central sealing element from extruding into the gap under high pressure.
Finally, two polyoxymethylene (POM) guide rings accommodate radial loads, prevent metal-to-metal contact between the piston and cylinder bore, and ensure optimal centring of the entire piston assembly.
Dynamic Heavy-Duty Performance
This compact seal system is engineered to provide exceptional stability and durability in heavy-duty hydraulic machinery.
The multi-component design allows for a single, space-saving groove on the piston, which simplifies piston machining and reduces overall cylinder weight.
When subjected to high-pressure cycles, the elastic memory of the NBR element ensures it stays responsive, maintaining dynamic contact force, while the rigid POM guide rings effectively absorb lateral shocks.
This results in smooth, leakage-free operation even during rapid pressure changes or severe mechanical vibrations, making the Heavy Duty Hydraulic DAS Compact Seal an ideal choice for earthmoving and agricultural equipment.
Why Choose Jinwo - Precision Integration for Hydraulic Systems
Our DAS compact seals ensure perfectly coordinated tolerances between the five elements, guaranteeing immediate sealing response and preventing local stress concentrations.
We utilize high-abrasion-resistant compounds for the POM guide rings, which ensures they retain their guiding ability over long-stroke cycles, reducing bore wear.
Every batch undergoes rigorous quality checks to confirm the elasticity of the NBR ring and the hardness of the back-up elements, providing consistent performance for global fleet managers.
By sourcing from Jinwo, B2B clients benefit from an ISO-certified supply chain that provides high-performance, cost-effective alternatives to OEM seals, ensuring maximum uptime for critical hydraulic machinery in demanding industrial environments.
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