Diatax manufactures the most durable and long-lasting pump diaphragms available.

Industry Standard


Diatax pump diaphragms are produced from the highest quality materials and precision molds to ensure a long service life for this “heart valve” of the diaphragm pump. Diatax rubber/fabric-reinforced and PTFE (Teflon) pump diaphragms offer a combination of performance and economic benefits including superb flex fatigue resistance, excellent abrasion resistance, and good temperature resistance. Increased flex life results in less downtime, lower maintenance costs and lower replacement costs for the pump user. Diatax pump diaphragms have set the industry standard for years.

Why Choose Diatax​

PUMP Diaphragms

Our size ranges from 5mm to 1500mm Diameter in various shapes as per client’s requirement. Our Diaphragms have been tested up to 28 kg/cm2 working pressures and operated up to a million flex cycles.

  • Slurry Pumps
  • Dosing Pumps
  • Metering Pumps
  • AODD Pump
  • Submersible Pump
  • Actuators Pump
  • Vacuum Pump
  • Spray Pumps

Our speciality is to design, develop, prototype Rubber Diaphragms as per your specific requirements/service conditions. Grades of Rubber used for different applications are Chloroprene (Neoprene), NBR (Nitrile), EPDM, Butyl, Hypalon, Silicone & Viton. These Diaphragms are suitably reinforced as per client’s service and requirement with Cotton Canvas, Nylon Fibre, Polyester, Metal Mesh, Glass Fibre, Tyre cord etc. The Grades of Rubber are offered in respect to various services i.e. Hot Water, Steam, Low permeation gases, Ozone resistance, Oil and fuel resistance, Cryogenic applications etc. Please refer our Chemical service resistance chart as well as our general-purpose polymer chart for guidance.