Produced by Xiangchu (Hubei) Rubber Co., Ltd., this high-quality LSR diaphragm protective sheath features excellent sealing performance, high dimensional accuracy and resistance to high/low temperature and aging. We support customization of specifications and colors, and are certified with ISO 9001.
Material
Industrial LSR
Hardness
Shore A 30-70
Temperature
Certifications
Applications
-40°C ~ +200°C
Colors
Black, White, Transparent, Customizable
# Custom Liquid Silicone Diaphragm Protective Sheath
Custom Liquid Silicone (LSR) Diaphragm Protective Sheath is a precision-molded rubber component manufactured by 橡楚（湖北）橡胶有限公司, designed to encapsulate, protect, and enhance the performance of diaphragms in dynamic mechanical and fluid control systems. Our sheaths are custom-engineered to match the exact dimensional and performance requirements of your application, leveraging the inherent advantages of injection-molded liquid silicone rubber to deliver consistent, long-lasting protection in demanding operating environments.
As a specialized manufacturer of Liquid Silicone Rubber products based in 湖北省鄂州市鄂城区经济开发区凡口街道内河巷54号, we focus on producing custom-fitted protective sheaths that solve common pain points of generic diaphragm protection: premature material degradation, poor sealing, dimensional inconsistency, and failure under extreme temperature or chemical exposure. Each sheath is molded to exact tolerances, ensuring a tight, secure fit that does not interfere with the diaphragm's dynamic flexing or pressure regulation function.
Our core selling points for this product include fully custom dimension and performance design, strict quality control aligned with international standards, high consistency for mass production, and compatibility with most common diaphragm materials and operating conditions. Whether you need small-batch prototype sheaths for product development or high-volume production runs for industrial manufacturing, we can adapt our production process to meet your order requirements.
Our Custom Liquid Silicone Diaphragm Protective Sheaths are produced from 100% virgin methyl vinyl LSR, with no recycled filler material to ensure consistent performance. Key material properties are listed below:
We offer multiple hardness grades to match your application needs, with standard physical performance as follows:
All performance values are tested under standard laboratory conditions (23°C, 50% relative humidity), and actual performance may vary slightly based on custom formulation requirements.
As an LSR injection molding product, our process parameters are controlled to ensure consistent dimensional accuracy:
Unlike off-the-shelf protective sheaths that often require modification or do not fit properly, our LSR diaphragm protective sheaths are custom-molded to your exact drawings and performance requirements. We can accommodate complex geometry, integrated mounting features, and specific hardness or surface finish requirements, eliminating the need for post-processing modification and reducing your assembly time.
Liquid silicone rubber has inherently superior low-temperature flexibility and resistance to repeated flexing compared to organic rubber alternatives. Our diaphragm protective sheaths can withstand millions of flexing cycles without cracking, hardening, or delaminating, extending the service life of your diaphragm assembly and reducing maintenance and replacement costs.
Our LSR sheaths maintain stable mechanical properties from -40°C to 200°C, making them suitable for use in both cryogenic applications and high-temperature process environments. They also have excellent resistance to ozone, UV radiation, and aging, so they do not degrade when exposed to outdoor or industrial atmospheric conditions, unlike many organic rubber products.
All our LSR materials are free of phthalates, lead, and other restricted hazardous substances per RoHS standards. We can provide formulations that meet general food contact and medical device component requirements for sensitive applications in food processing and medical equipment, without compromising mechanical performance.
With our LSR injection molding process, we can produce thousands of identical sheath components with consistent dimensional and performance properties. This makes our product ideal for original equipment manufacturer (OEM) mass production requirements, ensuring every part fits and performs the same way across production batches.
Custom Liquid Silicone Diaphragm Protective Sheaths are used across a wide range of industrial and commercial applications, including:
Choosing the correct hardness is critical to ensure the sheath does not interfere with the diaphragm's function:
We produce fully custom-sized sheaths to match your diaphragm and housing dimensions. Please provide the following information when placing an inquiry: inner diameter, outer diameter, wall thickness, overall height, any mounting feature dimensions, and required tolerance. If you have a 2D drawing or 3D model of the part, please share it with our engineering team to ensure accurate production.
We offer three standard material grades to match different application requirements:
橡楚（湖北）橡胶有限公司 operates a quality management system certified to ISO 9001, and every batch of Custom Liquid Silicone Diaphragm Protective Sheaths undergoes strict quality inspection before shipment. Our quality control process includes incoming raw material inspection, in-process dimensional checking, and finished product performance testing to ensure all products meet the agreed specifications and performance requirements.
We do not use recycled or inferior raw materials, and all our LSR materials are sourced from qualified reputable suppliers to ensure consistent material quality. If you require third-party testing or material certification for your product, we can provide relevant documentation upon request.
For inquiries about custom LSR diaphragm protective sheaths, please contact us at:
Our engineering team will work with you to determine the optimal design and material specification for your specific application.
