Brand alternatives

Dresser-Masoneilan vs Flowserve

How Dresser-Masoneilan and Flowserve compare on origin, specialisation and valve range — and the Vajra alternative to both, supplied to the same standards with full certification.

Dresser-Masoneilan vs Flowserve: what is the difference?

Dresser-Masoneilan (USA, est. 1902) is known for Control valves, pressure regulators, and choke valves for oil & gas, refining, and power generation. 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, globe valves. Below is the side-by-side, then the Vajra equivalent — a peer manufacturer supplying the same standards.

Dresser-MasoneilanFlowserve
OriginUSAUSA (Irving, Texas)
Founded19021997 (merger origin)
Known forControl valves, pressure regulators, and choke valves for oil & gas, refining, and power generationExtensive valve portfolio - control valves, severe service, nuclear, Durco chemical, Vogt instrumentation
Valve range4 categories4 categories

Where Dresser-Masoneilan 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 Dresser-Masoneilan and Flowserve — under one PO, with full documentation.

  • Globe control valves with ANSI/ISA Class IV, V, VI shutoff - equal-percentage, linear, and quick-opening trim
  • Anti-cavitation and low-noise cage trim for high-differential-pressure service
  • SMART positioner (HART/Foundation Fieldbus/Profibus PA) compatible mounting
  • Body materials: WCB, WC6, SS 316, Hastelloy C-276 - full range for corrosive service

Related brand comparisons

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

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