
Rubber Diaphragms Manufacturer
Custom Rubber Diaphragms Manufacturer in India for reliable sealing and pressure control in industrial pumps and valves — made in Ghaziabad, supplied across India.
About Our Rubber Diaphragms



Radical Polymers is a trusted Rubber Diaphragms Manufacturer in India, providing durable and precision manufactured Rubber Diaphragms for industrial sealing pressure regulating and fluid-control applications. Our Rubber Diaphragms are designed to provide flexible movement and reliable separation between fluids or gases in compatible industrial equipment. They are widely used in systems where consistent pressure response and dependable sealing are important for smooth operation.
We manufacture flat convoluted and customized Rubber Diaphragms according to specific application requirements. Different diameters thicknesses shapes and mounting configurations can be developed based on technical drawings samples or equipment specifications. Custom manufacturing helps ensure proper fitting and compatibility with the intended assembly. Whether you need replacement diaphragms or specially designed components our solutions can be tailored to your industrial requirements.
Material selection is essential for reliable diaphragm performance. Depending on application needs and material availability options may include NBR EPDM Silicone and Viton (FKM). Each rubber compound offers different properties related to flexibility temperature resistance and compatibility with fluids or gases. Selecting the appropriate material helps improve service life and supports reliable performance under suitable operating conditions.
Rubber Diaphragms are commonly used in industrial pumps dosing and metering systems pressure regulators control valves and process equipment. They help transmit pressure changes support controlled movement and separate media from other equipment components. Their performance depends on diaphragm design material properties operating pressure temperature and the nature of the media being handled. Proper specification is therefore important when selecting diaphragms for demanding applications.
At Radical Polymers we focus on dimensional accuracy customized designs and consistent manufacturing quality. Our Rubber Diaphragms are developed to meet customer specifications for a variety of industrial and engineering applications. We support customers across India with additional supply support for businesses in Delhi NCR. Share your technical drawing sample required dimensions and application details with our team to discuss suitable Rubber Diaphragms and request a quotation for your requirements.
Why Choose Our Diaphragms
High Flex Life
Rubber Diaphragms are designed to withstand repeated flexing cycles while supporting reliable operation in compatible industrial equipment.
Pressure Response
Precision-designed Rubber Diaphragms help transmit pressure changes accurately in pumps valves and pressure-control systems.
Media Separation
Rubber Diaphragms create a flexible barrier between fluids or gases and other system components to support controlled operation.
Compatible Compounds
Suitable rubber compounds such as NBR can be selected according to application requirements and operating conditions. Other material options should be confirmed based on availability.
Custom Designs
Custom Rubber Diaphragms are available in flat or convoluted designs according to technical drawings samples and equipment specifications.
Consistent Thickness
Uniform diaphragm thickness supports consistent flexibility and reliable movement during repeated operating cycles.
Technical Details
Typical specifications — final values are confirmed as per your drawing or application.
| Parameter | Details |
|---|---|
| Product | Rubber Diaphragms (Flat / Convoluted) |
| Materials | NBR, Silicone, Viton (FKM) |
| Sizes | Flat, Convoluted and Custom Designs |
| Temperature | As per Technical Drawing or Sample |
| Diameter | Custom Diameter as per Requirement |
| Thickness | As per Design Specifications |
| Hardness | As per Application Requirements |
| Temperature Range | Depends on Selected Rubber Compound |
| Pressure Rating | Based on Diaphragm Design and Application |
| Shape | Round, Custom Profiles |
| Mounting Type | Flanged or Application-Specific |
| Surface Finish | Smooth or As Required |
| Flexibility | Designed for Repeated Flexing |
| Sealing Type | Fluid and Gas Separation |
| Customization | Available as per Drawing or Sample |
| Applications | Pumps, Regulators, Valves and Process Equipment |
| Manufacturing | Custom Moulded Production |
| Quality Inspection | Dimensional and Visual Checks |
| Order Quantity | Small Batches and Bulk Orders |
| Packaging | As per Customer Requirements |
| Hardness | 40 – 90 Shore A (as per application) |
| Colour | Black (standard); other colours on request |
| Manufacturing | Compression / injection moulding as per part |
| Tolerances | As per drawing / agreed sample |
| Order Quantity | Small batches to bulk volumes |
| Packing | Poly bags, cartons or as required |
Available Compounds
Selected according to temperature, oil, water and chemical exposure.
Where Our Diaphragms Are Used

Pumps
Rubber Diaphragms are used in diaphragm and dosing pumps to support fluid transfer and reliable sealing during pumping operations.

Regulators
Rubber Diaphragms help control pressure in gas and pressure regulators by responding to pressure changes within compatible systems.

Valves
Rubber Diaphragms are used in solenoid and control valves to support fluid control and provide separation between internal components.

Process Equipment
Rubber Diaphragms are suitable for industrial process equipment and instrumentation systems that require flexible movement and dependable sealing.
Why Buy From Radical Polymers
From Enquiry to Delivery
Explore
We understand your application and requirements to recommend suitable rubber products and materials for your needs.
Design
Our team reviews drawings, samples and specifications to plan custom rubber component designs and mould development.
Production
We manufacture rubber components using suitable moulding processes and perform quality checks throughout production.
Finished
Every order undergoes final inspection and careful packing before dispatch to customers across Delhi NCR and India.
Industries Served
Our diaphragms are trusted across these sectors.
Related Products

Get a Quote for Rubber Diaphragms
Standard or custom — tell us the size, material and quantity you need.
Diaphragms — FAQs
Quick answers to the questions we hear most from our clients.
Rubber Diaphragms are flexible sealing components used to separate fluids or gases and transfer pressure in industrial equipment.
Yes. Radical Polymers manufactures Rubber Diaphragms in India for industrial pumps valves regulators and process equipment.
Flat convoluted and custom-designed Rubber Diaphragms can be manufactured according to application requirements.
Material options may include NBR EPDM Silicone and Viton (FKM) depending on application and material availability.
Yes. Custom Rubber Diaphragms can be produced according to technical drawings samples and required dimensions.
They are used in pumps pressure regulators control valves dosing systems and industrial process equipment.
Suitable Rubber Diaphragms are designed for repeated flexing. Service life depends on material selection and operating conditions.
Yes. Properly designed diaphragms can respond to pressure changes in compatible regulators and control systems.
Chemical compatibility depends on the rubber compound and the specific chemical. Confirm compatibility before selecting a diaphragm.
Sizes and thicknesses can be customized according to technical drawings samples or equipment specifications.
Consider the operating pressure temperature media compatibility required flexibility and equipment design before selecting a diaphragm.
Yes. Radical Polymers serves industrial customers across India. Contact the team to confirm delivery availability for your location.
Radical Polymers caters to industrial requirements in Delhi NCR. Contact the team to discuss your specifications and quantity.
Share your drawing sample dimensions material preference and required quantity with Radical Polymers to request a quotation.

Have a Requirement? Let's Talk.
Share your size, material and quantity we'll send you the best quote.
- Call Us+91 9711114333
- Email Ussales@radicalpolymer.com
- Address E-2, Fancy Enclave, E-1, Chapproulla, Lal Kuan, Ghaziabad, Uttar Pradesh 201002
- Working HoursMon – Sat: 9:30 AM – 7:00 PM
















