Brand alternatives

Anderson Greenwood vs Swagelok

How Anderson Greenwood and Swagelok compare on origin, specialisation and valve range — and the Vajra alternative to both, supplied to the same standards with full certification.

Anderson Greenwood vs Swagelok: 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. Swagelok (USA, est. 1947) is known for High-pressure tube fittings, instrumentation ball valves, needle valves and manifold valves for precision process and analytical applications. They overlap most in needle valves, accessories. Below is the side-by-side, then the Vajra equivalent — a peer manufacturer supplying the same standards.

Anderson GreenwoodSwagelok
OriginUSAUSA
Founded19471947
Known forPilot-operated safety relief valves, pressure relief valves, and instrumentation valves for oil & gas and petrochemicalHigh-pressure tube fittings, instrumentation ball valves, needle valves and manifold valves for precision process and analytical applications
Valve range3 categories3 categories

Where Anderson Greenwood and Swagelok 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 Swagelok — 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

Related brand comparisons

Reviewed by Product Engineering, Vajra Industrial SolutionsDiscipline: Valve Product EngineeringLast reviewed: 20 June 2026

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