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Changzhou Zhongjia Plastic Industry Co., Ltd.
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  • Flange Gasket (EPDM)
  • Flange Gasket (EPDM)
  • Flange Gasket (EPDM)

Flange Gasket (EPDM)

Brand: 
Zhongjia

Material: 
Rubber (EPDM)

Size: 
DN15 to DN400

Color: 
Black

Standard: 
DIN standard

Origin: 
China

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  • Description

  • Additional info.

  • Size Guide


  • Product Description:
    ● Flange gaskets are designed to seal the space between 2 sections of pipe, prevents them from flare out. Mainly used for valve pipeline and flange installation.
    ● Fit for Pipe Size: DN15-DN400; 
    ● Bolt Hole Quantity: 4, 8, 12, 16; 
    ● The flat gaskets are used wherever a union or flange is required to prevent leaking. Corrosion resistance, high temperature resistance, good toughness.
    ● Please select the correct dimensions required before purchase. It is recommended to install with a torque wrench.

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About Us
Changzhou Zhongjia Plastic Industry Co., Ltd.
Changzhou Zhongjia Plastic Industry Co., Ltd. was established in 2006. It is an enterprise specializing in the research, development, production and sales of UPVC, CPVC plastic pipe fittings and valve products. As China Rubber Flange Gasket Black Flat Washer Manufacturers and Custom Rubber Flange Gasket Black Flat Washer Suppliers. Our featured products are plastic products such as UPVC/CPVC pipes, pipe fittings and valves. At present, we mainly supply industrial and water supply series pipes, pipe fittings and valves that meet national standards, American standards. Our products are sold to Southeast Asia, the Middle East, Africa, North America, South America, and are widely used in industry, agriculture, construction and other fields.
Our company is located in the Xueshuxiang Industrial Concentration Zone, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province. The area is close to the Shanghai-Chengdu Expressway for 10 kilometers, the Yangtze River Expressway for 15 kilometers, the Changzhou High-speed Railway Station for 15 kilometers, and Shanghai for 160 kilometers. It has convenient transportation and environment.
The company covers an area of 50,000 square meters and has an annual production capacity of more than 30,000 tons. The company has passed ISO9001, ISO14001, and OHSAS18001 system certification. It has 4 raw material mixers, 60 plastic injection molding machines, 8 pipe extrusion production lines, 10 mechanical processing equipment, and more than 3,000 sets of molds. At present, we have 150 employees, including 10 technicians. With the continuous development and increasing internationalization of the company, we are committed to attracting talents and preparing for vigorous development.
The company adheres to the market-oriented, quality-oriented, service-oriented, introduces advanced production equipment and technology, makes products, creates brands, and has won the trust and recognition of customers. It has now become one of the green and vital pipeline production enterprises at home and abroad. We will always focus on customer satisfaction, follow the business principles of "modernization, youth, and knowledge", strive to catch up with the advanced level of the same industry at home and abroad, and strive to create a Chinese brand.
We sincerely welcome domestic and foreign customers to our company to discuss cooperation!
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Flange Gasket (EPDM) Industry knowledge

When it comes to pipeline systems, sealing performance is one of the most critical factors for ensuring safety, efficiency, and durability. The Zhongjia EPDM Flange Gasket is specifically engineered to provide a reliable seal between two pipe flanges, preventing leakage, protecting system integrity, and ensuring smooth operation under various working conditions.

Product Overview
The Zhongjia EPDM Flange Gasket is manufactured from high-quality EPDM rubber, a material well-known for its outstanding flexibility, resilience, and resistance to weathering, chemicals, and temperature fluctuations. It is designed in accordance with DIN standards, ensuring compatibility with a wide range of pipeline systems and industrial applications worldwide.

Available in sizes ranging from DN15 to DN400, and with bolt hole configurations of 4, 8, 12, or 16, this gasket can be used across small, medium, and large pipe networks. Its black flat washer design provides a neat and professional finish, while guaranteeing leak-free performance in valve installations, water pipelines, industrial plants, and more.

Key Features and Advantages
Premium EPDM Material

Provides excellent resistance to aging, ozone, UV light, and weather exposure.
Withstands a wide range of chemicals and fluids, making it ideal for industrial and water treatment applications.
Offers superior elasticity, ensuring a tight and reliable seal.
Durable and Long-Lasting

High toughness and tear resistance extend the gasket’s service life.
Maintains flexibility even after years of operation, reducing the need for frequent replacements.
Excellent Sealing Performance

Prevents leakage between flanged pipe joints.
Helps maintain pipeline pressure and prevents contamination of transported fluids.
Provides stable sealing performance even under vibration or pressure fluctuations.
Wide Range of Sizes

Available in DN15 to DN400, suitable for both small-scale plumbing and large industrial pipelines.
Different bolt hole quantities (4, 8, 12, 16) ensure compatibility with various flange standards.
Corrosion and Temperature Resistance

EPDM material resists degradation from water, steam, mild chemicals, and alkalis.
Performs well under high and low temperatures, making it suitable for both indoor and outdoor environments.
Ease of Installation

Simple flat washer design allows quick and secure installation.
Recommended use with a torque wrench to ensure proper tightening and optimal sealing effect.
Applications
The Zhongjia EPDM Flange Gasket is widely applied across different sectors, offering dependable performance in multiple systems:

Pipeline Systems – Provides a secure seal between pipeline flanges, ensuring leak-free operation.
Valve Installations – Ensures tight connections between valves and pipe flanges.
Water Supply and Drainage – Safe for potable water systems, as EPDM is odorless and non-toxic.
Industrial Plants – Used in chemical, food processing, and pharmaceutical industries due to its excellent resistance properties.
Construction and Infrastructure – Applied in HVAC systems, public utilities, and sewage systems.
Outdoor Installations – Withstands sunlight, rain, and environmental stress without cracking or hardening.
Installation Guidelines
Ensure the flange surfaces are clean, flat, and free of debris before installation.
Place the gasket evenly between the two flange faces.
Align the bolt holes properly to avoid displacement.
Tighten the bolts gradually and diagonally using a torque wrench, ensuring even pressure distribution.
Recheck the torque after initial operation to confirm a stable and secure seal.
Following these simple steps ensures long-lasting sealing performance and prevents premature gasket failure.

Why Choose Zhongjia EPDM Flange Gasket?
Trusted Brand: Zhongjia has built a strong reputation for producing high-quality, reliable, and cost-effective piping solutions.
DIN Standard Compliance: Guarantees global compatibility and consistent performance.
Superior Material Quality: Premium EPDM rubber ensures long-term durability and safety.
Versatility: Suitable for a wide range of industries and applications.
Easy Maintenance: Simple design reduces downtime during installation and replacement.
Cost-Effective Solution: Durable and long-lasting, reducing total operational costs over time.
Conclusion
The Zhongjia EPDM Flange Gasket is more than just a sealing accessory—it is a critical component for the safe and efficient operation of pipeline systems. With its durable EPDM construction, resistance to corrosion and weathering, wide size range, and compliance with DIN standards, it provides a reliable solution for industries that demand performance, safety, and long service life.