Flowserve vs Weir Valves
How Flowserve and Weir Valves compare on origin, specialisation and valve range — and the Vajra alternative to both, supplied to the same standards with full certification.
Flowserve vs Weir Valves: what is the difference?
Flowserve (USA (Irving, Texas), est. 1997 (merger origin)) is known for Extensive valve portfolio - control valves, severe service, nuclear, Durco chemical, Vogt instrumentation. Weir Valves (UK / USA, est. 1871) is known for High-pressure forged steel gate, globe, and check valves; ASME Class 600–4500 power plant and nuclear valves; Atwood & Morrill, Hopkinsons, and Pacific Valves legacy brands. They overlap most in gate valves, globe valves, check valves. Below is the side-by-side, then the Vajra equivalent — a peer manufacturer supplying the same standards.
| Flowserve | Weir Valves | |
|---|---|---|
| Origin | USA (Irving, Texas) | UK / USA |
| Founded | 1997 (merger origin) | 1871 |
| Known for | Extensive valve portfolio - control valves, severe service, nuclear, Durco chemical, Vogt instrumentation | High-pressure forged steel gate, globe, and check valves; ASME Class 600–4500 power plant and nuclear valves; Atwood & Morrill, Hopkinsons, and Pacific Valves legacy brands |
| Valve range | 4 categories | 3 categories |
Where Flowserve and Weir Valves 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 Flowserve and Weir Valves — under one PO, with full documentation.
- API 6D, ASME B16.34 certified - same technical compliance
- 3–8 week delivery vs. 12–20 weeks for Flowserve imports
- Make in India compliant - eligible for PSU/government tenders preferring domestic supply
- Full EN 10204 3.1/3.2 material certificates, PMI, radiography on request
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