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KURWA offer Rubber moulded Diaphragms, Rubber Membranes, Rolling Diaphragms, Rubber Die Cut Diaphragms with various types of reinforcement in all grades of Synthetic rubbers. Our Diaphragms are suitable for Slurry Pumps (ODS, Durco, Darco etc), Double Diaphragm operated High Pressure Pumps, Actuators, Solenoid Valves, Gas regulators, Control Valves(Saunders’, Fischer, Xomox, Limotorque, Phoenix, Samson etc), Angle Valves, Brine Filter Valves, Dust Collectors, Spray Pumps etc.
Our size ranges from 12mm to 900mm Diameter in various shapes as per clients requirement. Our Diaphragms have been tested upto 25 psi and operated upto a million cycles.
We design and develop Diaphragms as per your 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 Fiber, Metal Mesh, Glass Fiber 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.