AUMA vs Emerson / Fisher
How AUMA and Emerson / Fisher compare on origin, specialisation and valve range — and the Vajra alternative to both, supplied to the same standards with full certification.
AUMA vs Emerson / Fisher: what is the difference?
AUMA (Germany, est. 1964) is known for Electric valve actuators for industrial and water utility - AUMA SA / SAR / AM / GS series. Emerson / Fisher (USA (Marshalltown, Iowa), est. 1880 (Fisher); Emerson acquisition 1992) is known for Control valves, smart positioners, ESD valves - DeltaV DCS / SIS integration. They overlap most in ball valves, gate valves, butterfly valves, actuators. Below is the side-by-side, then the Vajra equivalent — a peer manufacturer supplying the same standards.
| AUMA | Emerson / Fisher | |
|---|---|---|
| Origin | Germany | USA (Marshalltown, Iowa) |
| Founded | 1964 | 1880 (Fisher); Emerson acquisition 1992 |
| Known for | Electric valve actuators for industrial and water utility - AUMA SA / SAR / AM / GS series | Control valves, smart positioners, ESD valves - DeltaV DCS / SIS integration |
| Valve range | 5 categories | 4 categories |
Where AUMA and Emerson / Fisher 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 AUMA and Emerson / Fisher — under one PO, with full documentation.
- ISO 5210 and ISO 5211 standard interfaces - direct replacement for AUMA SA and SG series
- ATEX Zone 1 and Zone 2 Ex d IIB certification for hazardous process areas
- Profibus DP, Modbus RTU, and 4–20mA positioner options for DCS integration
- Water utility and municipal compliance - IP67/IP68 protection, WRAS and NSF-equivalent
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