Flow control2× diaphragm life-cycle for a German control-valve manufacturer
The client's incumbent supplier delivered slower than valves could be built, causing lost production. Harkesh developed a replacement diaphragm and te…

Case studies
How Harkesh Rubber engineers challenging seals, diaphragms and O-rings for demanding aerospace, HVAC, automotive and flow-control applications — and delivers them right the first time.
Real-world results
Each of these projects began with a difficult requirement — an unreliable incumbent, an incomplete specification, a material that failed at temperature — and ended with a qualified part in production. Filter by industry, or read any story end to end.
Flow controlThe client's incumbent supplier delivered slower than valves could be built, causing lost production. Harkesh developed a replacement diaphragm and te…
AerospaceThe client had to supply actuator diaphragms compliant with Skydrol hydraulic fluid, surviving 200,000 cycles while immersed — with no guidance on whi…
HVACThe client's existing FKM diaphragms turned brittle when exposed to high temperatures in HVAC service. Harkesh formulated a high-temperature-resistant…
Aerospace & DefenseThe client had a qualified diaphragm for the Joint Strike Fighter program but could no longer source it from their existing supplier. They needed a ne…
AutomotiveThe original O-ring samples suffered from uneven de-flashing, thick parting lines, poor compression set and high filler content.
ThermostaticAfter initial approval of a new rubber plug and diaphragm, the client wanted to improve the actuator's performance — which meant a challenging design…
Process automationThe client approached us for customised seals and specified Liquid Silicone Rubber (LSR). After studying the application, Harkesh proposed High-Temper…

Address
Mumbai Office: Harkesh Rubber LLP, 108, Adarsh Industrial Estate, Sahar Road, Chakala, Andheri (East), Mumbai 400099
General Enquiries
contact@harkeshrubber.com
Business Phone
+91-22-40060400