
Rubber Flange Gasket for Reliable Industrial Sealing
Custom rubber flange gaskets provide reliable sealing solutions for industrial piping systems, valves, pumps, and mechanical equipment. Designed to prevent leakage between flange connections, they offer excellent sealing performance under different working conditions. Yuefeng supplies customized flange gaskets in various rubber materials, sizes, and specifications based on customer drawings or samples.
Product Introduction
Rubber flange gaskets are sealing components designed to prevent leakage between flange connections in pipelines, valves, pumps, and industrial equipment.
Installed between two flange surfaces, the gasket is compressed during assembly to create a reliable sealing barrier for liquids, gases, and other media.
With excellent elasticity and sealing adaptability, rubber flange gaskets can compensate for minor surface irregularities and help maintain stable sealing performance under different working conditions.
Yuefeng provides customized rubber flange gasket solutions in various materials, sizes, and designs according to customer drawings or application requirements.
Product Features
Reliable Leakage Prevention
Rubber flange gaskets provide effective sealing between connected flange surfaces, helping prevent leakage of liquids and gases during operation.
Excellent Compression Performance
The elastic properties of rubber allow the gasket to maintain proper sealing pressure while compensating for small surface imperfections and installation variations.
Wide Material Selection
Yuefeng supplies rubber flange gaskets in various materials, including:
EPDM
NBR
FKM
Silicone
FVMQ
Different materials can be selected according to the working medium, temperature, and application environment.
Customized Design Capability
Rubber flange gaskets can be customized according to:
Dimensions
Thickness
Bolt hole pattern
Hardness
Material requirements
Production can be based on customer drawings, samples, or specifications.

Understanding Rubber Flange Gasket Dimensions
The drawing provides the key dimensions required for flange gasket production, including diameter, thickness, and bolt hole specifications.
For this gasket, the main parameters include:
D1 (Inner Diameter): 92 mm
The inner opening size of the gasket, matching the connected pipe or equipment.
D2 (Outer Diameter): 200 mm
The overall diameter that determines the sealing coverage area between flange surfaces.
T (Thickness): 3 mm
The gasket thickness, which affects compression and sealing performance.
n-Φe (Bolt Holes): 8-Φ18 mm
The gasket contains 8 bolt holes, each with a diameter of 18 mm, matching the flange connection.
H (Bolt Hole Center Distance): 160 mm
The distance from the gasket center to the bolt hole position, ensuring proper alignment during installation.
These dimensions ensure that the rubber flange gasket can be correctly installed and provide reliable sealing performance.
The drawing above shows a flange gasket based on Chinese standard specifications.
In addition to Chinese standard flange gaskets, Yuefeng can also manufacture rubber flange gaskets according to:
ANSI / ASME standards
JIS standards
DIN standards
Custom drawings and samples
Whether you need standard flange gaskets or customized rubber sealing parts, we can provide suitable sealing solutions according to your application requirements.
What Materials Can You Get from Yuefeng?
Different applications require different rubber materials. Yuefeng provides customized rubber flange gasket solutions with a wide range of material options to meet different sealing requirements.
EPDM Rubber
Suitable for:Water systems,Steam applications,Outdoor environments
Features:Excellent water resistance,Good weather resistance,Long service life
NBR Rubber
Suitable for:Oil systems,Hydraulic equipment,Industrial machinery
Features:Excellent oil resistance,Good mechanical strength,Cost-effective solution
FKM Rubber
Suitable for:High-temperature environments,Chemical applications,Fuel systems
Features:Excellent chemical resistance,High temperature performance,Good aging resistance
Silicone Rubber
Suitable for:Food equipment,Medical applications,Clean sealing environments
Features:Excellent flexibility,Wide temperature range,Good aging resistance
FVMQ (Fluorosilicone Rubber)
Suitable for:Fuel systems,Aerospace applications,Extreme temperature environments
Features:Combines silicone flexibility with improved oil and fuel resistance,Suitable for demanding sealing conditions
Customized Rubber Compounds
Besides standard materials, Yuefeng can also provide customized rubber compounds according to your application requirements.
Available options include:
Different hardness levels
Customized colors
Special formulations
Custom sealing designs
FAQ
Q1: What is a rubber flange gasket used for?
A: Rubber flange gaskets are used to seal connections between pipes, valves, pumps, and industrial equipment, helping prevent leakage of liquids and gases.
Q2: What materials are available for rubber flange gaskets?
A: Yuefeng provides rubber flange gaskets in various materials, including EPDM, NBR, FKM, Silicone, and FVMQ. The suitable material depends on the working medium, temperature, and application environment.
Q3: Can rubber flange gaskets be customized according to drawings?
A: Yes. Yuefeng provides customized flange gasket solutions based on customer drawings, samples, and specifications, including size, thickness, bolt hole pattern, hardness, and material requirements.
Q4: How do I choose the right material for a flange gasket?
A: The material selection depends on the sealing environment. EPDM is commonly used for water applications, NBR for oil-related systems, and FKM for high-temperature or chemical environments.
Q5: What information should I provide for a flange gasket quotation?
A: Please provide the gasket drawing or sample, dimensions, material requirements, working medium, temperature, pressure, and required quantity. Our engineers can recommend a suitable sealing solution.
Q6: What is the typical delivery time for rubber flange gaskets?
A: The delivery time depends on the material, quantity, and customization requirements. For standard products, delivery can be arranged quickly. For customized rubber flange gaskets, the typical production time is around 30 days, depending on tooling, material availability, and order specifications.
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