Renewable Energy

The renewable energy industry, including solar, wind, hydro and biomass, has a growing demand for sealing products. These sealing products play a key role in ensuring the reliability, efficiency and long-term operation of equipment.

Seals Materials

Rubber (NR, SBR, EPDM, etc.): Suitable for solar panel frame seals, wind turbine cabin seals, etc.

Silicone rubber (VMQ): with excellent high temperature resistance and weather resistance, suitable for solar collector sealing, wind turbine blade sealing, etc.

Fluoroelastomer (FKM/Viton): with excellent oil resistance, chemical resistance and high temperature resistance, suitable for biomass power generation equipment seals.

Polyurethane (PU): with high strength and abrasion resistance, it is suitable for seals of hydroelectric power generation equipment.

Polytetrafluoroethylene (PTFE): excellent chemical resistance, low coefficient of friction and non-adhesive, suitable for high performance seals and bearings.

Types of seals

O-Rings: for static and dynamic seals, suitable for hydraulic and pneumatic systems in various renewable energy equipment.

Gaskets: for flat seals, such as solar panel mounting gaskets, wind turbine hatch sealing gaskets, etc.

Seals: for door and window seals, e.g. wind turbine hatch seals, hydroelectric power plant gate seals, etc.

Oil seals: used for sealing rotating shafts to prevent lubricant leakage, such as wind turbine main shaft oil seals.

Dust cover: used to protect moving parts from dust and pollutants, such as wind turbine gear box dust cover.

Seals design

Weather Resistant Design: Seals need to be able to resist the effects of natural factors such as UV rays, temperature changes and humidity.

Pressure Resistant Design: Seals need to be able to maintain sealing performance under high pressure environments to prevent leakage.

Temperature Resistant Design: Seals need to be able to maintain stable performance in high or low temperature environments.

Wear-resistant design: seals need to have good wear resistance to adapt to high wear environment.

Seals manufacturing and processing

Precision machining: Seals need to be precision machined to ensure dimensional accuracy and surface finish to ensure sealing performance.

Surface treatment: The surface of seals may require special treatment, such as polishing, coating, etc., to improve corrosion resistance and wear resistance.

Cleaning and Sterilization: In some applications, seals require stringent cleaning and sterilization to ensure sterility and contamination free.

Seals testing and validation

Weathering Test: Seals are tested for weathering resistance under simulated natural environmental conditions.

Pressure resistance test: Test the pressure resistance of seals under simulated high pressure conditions.

Temperature Resistance Testing: Testing the temperature resistance of seals under simulated high or low temperature conditions.

Abrasion test: test the abrasion resistance of seals under simulated abrasion conditions.

Application examples of seals

Solar energy: EPDM seals and silicone rubber seals are used for solar panel frames and collector seals.

Wind energy: use weather and wear resistant seals, such as wind turbine cabin seals, blade seals and main shaft oil seals.

Hydro energy: use seals that are resistant to water corrosion, such as hydroelectric power plant gate seals and turbine seals.

Biomass energy: use seals that are resistant to chemicals and high temperatures, such as seals for biomass boilers and gasifiers.

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