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Rubber Diaphragm

Diaphragms are counted as the most versatile element across all sealing needs, serving as reliable but flexible separating wall between two component spaces.

It has a wide – application across industries like Fluid Handling, Power Generation, Aerospace, Chemical & Process Industry, Irrigation, Automotive Tier, Foods & Beverage that use pumps & compressors, actuators, water reservoirs, hydro – accumulators, valves, regulators and any other such industrial components as a part of their operations value chain.

Main application Pump valve industry, Pressure regulation / Control valve, Pneumatic Actuators
Size 8mm to 840 mm diameter
Materials NBR, EPDM, FKM, FVMQ,, HNBR, Silicone, Neoprene and PTFE – Reinforced and Non-reinforced
Technical Pressure : Upto 60 bar
Temperature : – 60 ° C / + 200 ° C (depending on material)

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    Known for their versatility, Diaphragms serve as a reliable and flexible barrier between two component spaces. They can effectively seal and isolate an enclosure between a moving and stationary part.

    Our Expertise:

    Harkesh Rubber has the material expertise to provide superior performance Diaphragms for your equipment. We are directly involved with the growth of the Diadhpram industry. This helps us bring quality and insights to each customer collaboration. Our engineers overlook the curation of material, composition, in-house testing, and validation to bring you industry-leading quality and performance.

    We manufacture reinforced and non-reinforced type Diaphragms. They are further classified into:

    • Convoluted Diaphragm
    • Rolling Diaphragm
    • Flat Diaphragm
    • Plate-shaped Diaphragm
    • Diaphragm with inserts

    Salient Features:

    •  Low Temperature Diaphragm upto -60°C for sub zero applications
    •  EN 549 Tested & Approved compounds for Gas based applications
    •  Dimensional Tolerance of +/- 0.001 inches achieved for Actuator Diaphragm
    •  Tested for over 2 Million Cycles at 6 Bar Pressure for control valves
    • Skydrol Fluid resistant diaphragm compounds developed for Aero Space applications

    Common Applications:

    We deliver state-of-the-art Diapharmgs to virtually all industrial sectors such as:

    • Fluid Handling
    • Power Generation
    • Aerospace
    • Chemical & Process Industry
    • Irrigation
    • Automotive Tier
    • Foods & Beverage

    Our production process is a combination of scientific reasoning and tactful acumen, thus, our best engineers are involved right from the curation of material composition to the successful in – house testing and validation. As a result, one amongst the many milestones has been achieving a dimensional tolerance of +/- 0.001 inches and playing as one of the dominant supplier of Gas Regulator parts in enormous quantities of and not limited to 100,000 per month.

    Your Contact For


    Technology – general sealing topics ,
    Special Constructions

    Jay Shah, Director, New Product Development & Marketing

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