Durco vs Flowserve
How Durco and Flowserve compare on origin, specialisation and valve range — and the Vajra alternative to both, supplied to the same standards with full certification.
Durco vs Flowserve: what is the difference?
Durco (USA, est. 1912) is known for Corrosion-resistant alloy valves for chemical service - Alloy 20, Hastelloy C-276, titanium, and high-silicon iron butterfly, globe, and ball valves. Flowserve (USA (Irving, Texas), est. 1997 (merger origin)) is known for Extensive valve portfolio - control valves, severe service, nuclear, Durco chemical, Vogt instrumentation. They overlap most in ball valves, gate valves, globe valves. Below is the side-by-side, then the Vajra equivalent — a peer manufacturer supplying the same standards.
| Durco | Flowserve | |
|---|---|---|
| Origin | USA | USA (Irving, Texas) |
| Founded | 1912 | 1997 (merger origin) |
| Known for | Corrosion-resistant alloy valves for chemical service - Alloy 20, Hastelloy C-276, titanium, and high-silicon iron butterfly, globe, and ball valves | Extensive valve portfolio - control valves, severe service, nuclear, Durco chemical, Vogt instrumentation |
| Valve range | 4 categories | 4 categories |
Where Durco and Flowserve compete
The Vajra alternative to both
Vajra Industrial Solutions is a peer valve manufacturer supplying API 6D / ASME B16.34 certified valves equivalent to both Durco and Flowserve — under one PO, with full documentation.
- ASTM A351 CN7M (Alloy 20), CW-6M (Hastelloy C-276), and A890 5A (Super Duplex) globe, gate, ball, and butterfly valves
- Titanium Grade 2 valves for concentrated nitric acid and bleach (NaOCl) service
- PVDF-lined and PTFE-lined butterfly valves and ball valves for chlorine, hydrofluoric acid, and aggressive oxidising service
- EN 10204 3.1 MTCs with chemistry and mechanical properties, NACE MR0103 hardness compliance certificates
Related brand comparisons
Connected Engineering
Sourcing an alternative to Durco or Flowserve?
Tell us the model or spec — we supply the Vajra equivalent to both Durco and Flowserve with full certification and a 24-hour quote.