This Rectangular Rubber Cover Plate is precision-engineered from high-performance industrial‑grade FKM. It has a stable hardness of 70°. It has finished dimensions of 172.00×120.00×11.00mm. It is designed as a heavy‑dimensional flat rectangular component. It features smoothly rounded corners. It eliminates stress concentrations. It ensures safe assembly. The product adopts a dual‑sided functional structure. It is used for inverter and energy storage battery inspection ports. One side is a recessed framed surface. It has raised positioning borders. It has uniformly distributed small buckles and locating bumps. It provides secure alignment. It provides firm engagement with equipment housings. The opposite side integrates a rectangular textured surface. It enhances friction. It enhances anti‑slip performance. It enhances sealing consistency. It has an integrated rectangular recessed handle at the bottom. It supports convenient installation and disassembly during equipment maintenance.It is a structurally robust and chemically stable component. It is widely applied in the Electronic Devices Industry. It delivers durable protection for critical power electronic and energy storage systems. These systems operate in demanding industrial environments.
Product Features
1. Core Functions
1)Sealing and Protection for Inverter & Energy Storage Battery Inspection Ports:This cover plate is specially designed to seal inspection openings of inverters and energy storage batteries. It uses the high elasticity and conformability of FKM. It forms a tight, gap‑resistant interface with equipment casings. It blocks the ingress of dust, moisture, oil mist and corrosive gases. It acts as a reliable Sealing Accessories for Electronic Devices. It safeguards internal circuit boards, connectors and battery modules from contamination, oxidation and corrosion. It maintains long‑term operational stability.
2)Electrical Isolation and Safety Protection:It creates a durable physical barrier between the inspection port and the external environment. It prevents accidental contact with high‑voltage internal circuits. It reduces electrical hazards during operation and maintenance. It provides consistent electrical insulation. It minimizes risks of short circuits, leakage and electromagnetic interference. It enhances overall equipment safety.
3)Shock Absorption and Impact Resistance:It leverages the inherent elasticity and damping properties of FKM. The cover plate absorbs vibration and impact. These conditions happen during equipment operation, transportation and handling. It reduces mechanical stress transmitted to internal precision components. It lowers the probability of loose connections, component fatigue and structural damage.
4)Convenient and Efficient Maintenance Operation:The integrated recessed handle is ergonomically designed for tool‑free handling. Operators can quickly install, remove and refit the cover plate. This happens during routine inspection and troubleshooting. It greatly improves maintenance efficiency. It reduces equipment downtime.
2. Performance Characteristics
1)FKM Material and 70° Hardness for Demanding Energy Storage Environments:It is manufactured from high‑purity industrial‑grade FKM. The cover plate exhibits outstanding resistance to oil, chemicals, electrolytes and temperature extremes. The controlled hardness of 70° delivers an optimal balance between sealing conformability and structural rigidity. It acts as a durable Electronic Sealing Components. It maintains stable form and function over extended service life. It resists warping, loosening and deformation under continuous operating stress.
2)Dual‑sided Differentiated Structural Design:The inner recessed frame has integrated positioning borders and multi‑point buckles. It ensures accurate alignment and secure fitting. It improves both sealing effectiveness and assembly consistency. The outer textured surface enhances grip during installation. It enhances anti‑slip performance under vibrational conditions.
3)Extreme Temperature and Corrosion Resistance:It operates reliably within a wide temperature range of -20℃ to 200℃. It maintains mechanical and sealing properties. It does not harden, crack or swell. It shows excellent resistance to electrolyte exposure, chemical corrosion and oxidative aging. It is highly suitable for harsh environments inside energy storage systems and power electronic devices.
4)Low Compression Set for Long‑lasting Sealing Performance:The FKM material features exceptional elastic recovery and low compression set. It retains consistent sealing force even under long‑term compression. This performance meets the strict durability requirements of high‑grade Electronic Equipment Sealing Components. It reduces the need for frequent replacement. It lowers overall maintenance costs.
5)High‑Grade Electrical Insulation:FKM provides superior volume resistivity and dielectric performance. It effectively isolates high‑voltage circuits and live components. This insulating capability meets rigorous safety standards applied across the Electronic Equipment Industry. It enhances the reliability and safety of energy storage and power conversion equipment.
3. Application Scenarios
1)Industrial Energy Storage Batteries:It provides durable sealing and protection for battery pack inspection ports. It resists electrolyte corrosion, high temperature and humidity. It is a key component supporting the Electronic Devices Sector. It ensures stable and safe operation of large‑scale industrial energy storage systems.
2)Photovoltaic Inverters:It seals inspection openings against dust, moisture and outdoor pollutants. It protects internal inverter circuits and power modules.
3)UPS Uninterruptible Power Supplies:It delivers long‑term protection for industrial UPS systems. It improves stability and service life in challenging plant environments.
4)New Energy Vehicle Energy Storage Systems:It is applied to power battery inspection ports as dependable Electronics Waterproof Parts. It resists vehicle‑mounted vibration, temperature fluctuation and chemical exposure.
4. Pain Point Solutions
1)Eliminates dust, moisture and corrosive gas intrusion at inspection ports:Unsealed openings commonly lead to component contamination and failure. The conformable FKM structure forms a reliable barrier. It preserves internal cleanliness and functionality.
2)Reduces electrical hazards from exposed high‑voltage circuits:Uncovered inspection ports present significant safety risks. The fully insulated barrier design prevents accidental contact. It improves operational safety.
3)Overcomes rapid material aging in harsh energy storage environments:Conventional rubber covers degrade quickly under high temperature and corrosive conditions. Industrial‑grade FKM delivers superior aging resistance. It extends service life.
4)Improves ease of maintenance and reduces downtime:Standard covers without integrated handles are difficult to handle. The ergonomic recessed design enables fast, tool‑free installation and removal.
5)Prevents equipment failure caused by deteriorated sealing:Low‑quality components often lose sealing performance due to high compression set. The stable long‑term sealing performance provides a reliable solution across the entire Industry of Electronic Devices. It supports uninterrupted operation of electronic and energy storage equipment.
