This Spray Valve HNBR Static Sealing Ring is manufactured from HNBR material. It uses post-vulcanization treatment. It has a hardness of 70±5°. It has dimensions of 12.50×7.70×1.85mm. It complies with RoHS, SVHC and REACH environmental standards. It is designed as a flat washer for static sealing. The product is a flat annular rubber component. It has a regular shape. It has straight inner and outer edges. It has no additional chamfers or special-shaped structures. It has a round through hole at the center. The hole can precisely match the sealing surfaces of spray valve bodies and seats. The core functional surface is the sealing contact surface. It is equipped with uniform and fine machining lines. These lines improve sealing fit and anti-slip performance. The post-vulcanization process ensures stable material properties. It stops small molecule precipitation. It meets industrial environmental protection and sealing reliability requirements.
Product Features
1. Functions
1)Static Sealing for Spray Valves:It is installed between the valve body, seat and pipeline of spray valves. It achieves static sealing through elastic compression of HNBR material. It blocks leakage of liquid and gas media. It ensures stable pressure and spray accuracy of spray valves. It acts as a core part of Sealing Elements for Valves. It provides reliable sealing support for fluid control components.
2)Enhanced Sealing via Functional Surface Lines:The machining lines on the sealing contact surface increase friction with metal sealing surfaces. They prevent washer displacement under pressure. They optimize fitting effects. They improve sealing reliability. It serves as a high-performance accessory matching Pressure Seal Components in high-pressure working conditions.
3)Medium Corrosion Resistance Protection:HNBR material resists corrosion from fuel oil, lubricating oil, hydraulic oil and various spray media. It avoids seal swelling and failure in medium environments.
4)Structural Positioning and Buffering:The rectangular cross-section structure is precisely embedded into the sealing groove inside the valve body. It prevents assembly offset. It buffers slight vibrations. It protects sealing surfaces from mechanical damage. It is compatible with the assembly structure of Diaphragms & Sealing Gaskets in fluid control systems.
2. Performance Characteristics
1)HNBR Material & Post-Vulcanization Process:Hydrogenated Nitrile Butadiene Rubber delivers excellent oil resistance, temperature resistance and chemical corrosion resistance. Post-vulcanization removes residual small molecules. It enhances mechanical properties and stability of the material. It stops precipitates. It fully complies with RoHS, SVHC and REACH environmental standards.
2)Rectangular Cross-Section & Functional Surface Lines:The precise 12.50×7.70×1.85mm dimension fits spray valve sealing grooves perfectly. It supports uniform compression sealing. The machining lines on the functional surface enhance fitting and anti-slip performance. They avoid slip failure under static sealing. This structural design is also applicable to the sealing system of Sealed Diaphragm Pump equipment.
3)Hardness 70±5° Adaptability:It balances sealing compressibility and structural rigidity. It ensures sufficient elasticity for effective sealing. It maintains shape stability at the same time. It does not deform or extrude under high-pressure working conditions. It is consistent with the performance requirements of Micro Sealed Hydraulic Pump sealing accessories.
4)Weather and Medium Resistance:It withstands a wide temperature range of -40℃ to 150℃. It resists fuel oil, hydraulic oil, spray media and acid-base corrosion. It is not prone to aging, cracking or swelling after long-term use in industrial spray working conditions.
5)Environmental Compliance:It meets the RoHS Restriction of Hazardous Substances Directive, SVHC Candidate List and REACH regulations. It satisfies environmental export requirements for global industrial equipment.
3. Application Scenarios (Adapted to 12.50×7.70×1.85mm)
1)Industrial Spray Valves:It is used for static sealing of various pneumatic and hydraulic spray valves and atomizing valves. It fits spraying, lubrication, cooling and other spray systems.
2)Automotive Fuel Injection Systems:It is applied for sealing of fuel spray valves. It resists fuel corrosion and high-temperature working conditions.
3)Hydraulic & Lubrication Equipment:It adapts to static sealing of lubrication spray valves and hydraulic control valves. It ensures stable pressure of hydraulic and lubrication media.
4)Industrial Spraying Equipment:It is used for sealing of spray valves in automated spraying lines. It guarantees spraying accuracy and medium leakage-free operation.
5)Agricultural Plant Protection Spray Equipment:It suits plant protection spray valves. It resists pesticide medium corrosion. It achieves precise spraying.It supports the stable operation of Sealed Fluid Transfer Pump and Mini Sealed Valve components. It can be matched with Fluid-Tight Diaphragms and Gasket & Membrane Assemblies. They form a complete fluid sealing system. It cooperates with Sealed Fluid Direction Control Valve equipment in integrated fluid control systems.
4. Pain Point Solutions
1)Solves Static Leakage of Spray Valves:Ordinary rubber washers are prone to sealing failure under high-pressure or medium environments. The HNBR material and line design of this product achieve reliable static sealing. They stop leakage.
2)Solves Washer Displacement and Slip:Smooth sealing surfaces tend to slip under pressure. The functional surface lines of this product increase friction. They prevent washer displacement. They ensure stable sealing.
3)Solves Medium Corrosion and Aging:Ordinary rubber is prone to swelling and cracking in oil or acid-base media. The HNBR material of this product resists medium corrosion. It extends service life.
4)Solves Environmental Compliance Issues:Un-vulcanized rubber parts easily precipitate harmful substances. The post-vulcanization treatment of this product meets global environmental standards. It holds relevant environmental certification.
5)Solves Inaccurate Assembly Positioning:The rectangular cross-section is precisely embedded into the sealing groove. It avoids sealing failure caused by assembly offset. It improves assembly efficiency and reliability.
