Fuel Resistive Diaphragms

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Industrial rubber diaphragm by DST Rubbers, designed for precision fluid control in pumps or valves. The product features the brand name 'DST RUBBER' prominently.

High-Performance Fuel Resistive Diaphragms for Fuel & Gas Systems

We manufacture Fuel Resistive Diaphragms engineered for demanding fuel and gas control applications, including fuel pressure regulators, fuel pumps, LPG/CNG reducers, and solenoid valve isolation.

Built to handle aggressive fuels like petrol, diesel, ethanol blends, AdBlue, kerosene, LPG, and CNG, our diaphragms are designed for stable sealing, repeatable pressure response, and long-cycle flex durability in safety-critical assemblies.

Diaphragm sizes from 1/4” to 55” diameter

withstands extreme temperatures

withstand pressures up to 2000 psi

Fuel Resistive Diaphragms - DS Techno Rubbers

What Are Fuel Resistive Diaphragms?

A fuel resistive diaphragm is a flexible sealing and pressure-control component designed to separate fuel or fuel vapors from air, spring force, or a control chamber while responding accurately to pressure changes. Manufactured using fuel-compatible rubber compounds and optional fabric reinforcement, these diaphragms help maintain a reliable seal, consistent movement, and stable performance in systems exposed to aggressive fuels such as petrol, diesel, ethanol blends, AdBlue, kerosene, LPG, and CNG.

Fuel resistive diaphragms are widely used across industries where leak prevention and pressure stability are critical, including:

Automotive Industry

Used in fuel regulators, fuel pumps, valve seals, and fuel pressure control systems.

Wind Energy

Used in AODD pumps, pressure regulators, and valve actuators handling fuels or solvents.

Instrumentation

Used in LPG/CNG reducers and gas meters for pressure reduction and flow control.

Industrial Equipment

Used in pneumatic actuators and process controls for precise movement and sealing.

Main Applications

Used across fuel and gas control systems where sealing stability and pressure response are critical.
Fuel Resistive Diaphragms - DS Techno Rubbers

Fuel Pressure Regulators

Maintains precise fuel pressure by flexing reliably between fuel exposure and control pressure.

Fuel Pumps and Pulse Dampers

Enables consistent pumping action and dampens pulsations under continuous fuel contact and cycling.
Pump Diaphragm - DS Techno Rubbers

LPG / CNG Reducers

Handles high-to-low pressure reduction safely while resisting gas exposure and temperature variation.
Flow Control Diaphragms - DS Techno Rubbers

Solenoid and Proportional Control Valves

Isolates electrical zones while enabling fast actuation and accurate flow modulation without leakage.
Windmill Diaphragm - DS Techno Rubbers

Gas Meters and Flow Control Units

Ensures stable sealing and repeatable movement for accurate gas flow measurement over time.
Instrumentation Diaphragm - DS Techno Rubbers

Pneumatic Actuators and Control Assemblies

Converts pressure changes into controlled motion while maintaining sealing integrity in harsh media.

Key Properties of Fuel Resistive Diaphragms

Our fuel resistant rubber diaphragms are engineered to perform reliably in fuel and gas control assemblies where chemical exposure, pressure sensitivity, and repeated flexing are unavoidable. These key properties define how we build diaphragms that stay stable, seal consistently, and operate safely over long service life.
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Fuel resistance
Fuel can be anything like petrol, diesel, ad blue, Ethanol, LPG, CNG, Kerosene

Fabric reinforcement allows withstand pressures up to 2000 psi (136 bar), with differential pressure management from both sides. These components are sensitive to pressure changes.

The diaphragms can be customized to operate at a wide range of temperature from -60 deg C to 250 deg C

Resistance to tear despite frequent actuation and flexing
Other requirements: Certifications like FDA, REACH, RoHS, NSF-61, UL157, and DIN EN 549 for gas/fuel safety

Why Choose DS Techno Rubber Diaphragms?

High-Pressure Resistance

Our diaphragms are engineered to withstand extreme pressure conditions, ensuring longevity and reliability.

Custom Designs

We offer customized diaphragms tailored to specific requirements, including different materials, sizes, and designs.

Precision Manufacturing

With advanced technology and a dedicated team, we ensure every diaphragm is manufactured to exacting standards.

Global Standards

 Our diaphragms comply with international certifications like FDA, REACH, and RoHS, making them suitable for a variety of industries worldwide.

Features of Our Rubber Diaphragms

High Flexibility and Strength

Ideal for applications requiring constant movement and stress.

Chemical Resistance

Designed to withstand exposure to harsh chemicals, oils, and gases.

Durability

Built for long-lasting performance under both static and dynamic conditions.

Pressure Sensitivity

Sensitive to changes in pressure, ensuring precise performance in pressure-regulating applications.

Custom Rubber Diaphragms for Your Needs

Get in touch today to discuss custom rubber diaphragms tailored to your precise needs!

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Why DS Techno Rubber?

35+ Years of Expertise

We bring decades of experience in designing and manufacturing custom rubber components.

Precision Engineering

Each diaphragm is crafted with the highest level of attention to detail.

Superior Materials

We use only the finest rubber compounds to ensure durability and performance.

Global Reach

Serving industries in India, the USA, and Germany with high-quality products and on-time delivery.

FAQ

Fabric reinforcement enhances the strength, flexibility, and durability of rubber diaphragms, allowing them to withstand higher pressures and repeated flexing without tearing or deforming. It also improves chemical and temperature resistance, making the diaphragm suitable for demanding applications in pumps, valves, and actuators.

These diaphragms are typically made from high-performance elastomers like Nitrile (NBR), EPDM, Silicone, Fluorocarbon (FKM/Viton®), and Neoprene, combined with reinforcement fabrics such as Nylon, Polyester, Aramid (Kevlar®), or Cotton. The choice of materials depends on factors like temperature resistance, chemical compatibility, and mechanical strength.

Fabric reinforced rubber diaphragms offer several benefits, including:

  • Enhanced durability due to fabric reinforcement
  • High flexibility while maintaining structural integrity
  • Excellent chemical and temperature resistance based on material selection
  • Leak-proof and maintenance-free performance in demanding applications
  • Cost-effective solution compared to mechanical seals

Selecting the right diaphragm depends on several factors:

  • Operating pressure and temperature range
  • Compatibility with fluids or gases
  • Mechanical stress and expected lifespan
  • Industry standards and certifications (e.g., FDA compliance for food-grade applications)
    Consulting with a manufacturer can help determine the best material and design for your specific needs.

The lifespan of a diaphragm depends on factors such as material selection, operating conditions, and frequency of use. In ideal conditions, fabric reinforced rubber diaphragms can last several years. However, exposure to extreme temperatures, harsh chemicals, or excessive mechanical stress can shorten their lifespan. Regular inspections and proper material selection can help maximize durability.

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Looking for high-quality custom rubber components? We’re here to provide you with tailored solutions that meet your exact requirements. Simply fill out the form below, and we’ll provide a personalized quote based on your specifications.