Hebei Jinwo Machinery Technology Co., Ltd. is one of the leading manufacturers and suppliers of hydraulic piston seals spg series in China. With abundant experience, we warmly welcome you to buy bulk durable hydraulic piston seals spg series in stock here from our factory. All customized products are with high quality and competitive price. Contact us for quotation.
The Hydraulic Piston Seals Spg Series is designed to deliver reliable sealing performance in hydraulic cylinder applications. Manufactured from high-quality materials, these seals provide excellent wear resistance, low friction, and effective leakage control. They help improve system efficiency, ensure stable operation, and extend the service life of hydraulic equipment.
Technical Specifications Table
Parameter | Specifications |
Material | Filled PTFE + NBR |
Temp. | -35°C to +110°C |
Max. Pressure | 40 MPa |
Fluid Media | Hydraulic Oil / Emulsions |
Type | Combi Seal |
Application Scenarios | Heavy-Duty Construction Machinery |
Manufacturing & Quality Control

The Hydraulic Piston Seals SPG Series are manufactured using high-performance sealing materials selected for durability, wear resistance, and reliable hydraulic performance.
Advanced molding and precision machining technologies ensure accurate dimensions and consistent quality throughout the production process.
Strict manufacturing controls are applied to maintain material consistency and sealing effectiveness under demanding operating conditions.
Every SPG seal undergoes comprehensive inspections, including dimensional verification, surface quality checks, and material property testing.
Final quality control procedures confirm pressure resistance, wear performance, and compliance with industry standards before shipment.
Supply & Trade Solutions
We offer flexible supply solutions for hydraulic equipment manufacturers, OEM customers, distributors, and industrial sealing product suppliers worldwide.
The SPG seal is available in a wide range of sizes and specifications to meet various hydraulic cylinder application requirements.
Custom manufacturing services can be provided according to customer drawings, samples, and technical specifications.
Customized packaging, labeling, and private-brand solutions are available to support diverse market needs and distribution channels.
Supported by efficient inventory management and global logistics capabilities, we ensure stable supply, competitive lead times, and reliable international delivery services.

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