Anderson Greenwood vs Watts
How Anderson Greenwood and Watts compare on origin, specialisation and valve range — and the Vajra alternative to both, supplied to the same standards with full certification.
Anderson Greenwood vs Watts: what is the difference?
Anderson Greenwood (USA, est. 1947) is known for Pilot-operated safety relief valves, pressure relief valves, and instrumentation valves for oil & gas and petrochemical. Watts (USA, est. 1874) is known for Water regulation, backflow prevention, pressure reducing valves, and HVAC/plumbing control valves. They overlap most in safety & relief valves, accessories. Below is the side-by-side, then the Vajra equivalent — a peer manufacturer supplying the same standards.
| Anderson Greenwood | Watts | |
|---|---|---|
| Origin | USA | USA |
| Founded | 1947 | 1874 |
| Known for | Pilot-operated safety relief valves, pressure relief valves, and instrumentation valves for oil & gas and petrochemical | Water regulation, backflow prevention, pressure reducing valves, and HVAC/plumbing control valves |
| Valve range | 3 categories | 4 categories |
Where Anderson Greenwood and Watts 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 Anderson Greenwood and Watts — under one PO, with full documentation.
- API 526 safety relief valves - orifice sizes D through T, WCB/SS 316/Duplex body
- ASME Section VIII UV stamp and National Board certification available
- API 527 seat tightness tested - 0 bph or 40 bph leakage per orifice size
- Pilot-operated safety valves for back-pressure service and set pressure <10% CDTP
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