ST-1™ Single Stage Anti Cavitation Trim Cartridge

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Trimteck’s ST-1 is a cost-effective single-stage globe valve trim that minimizes cavitation damage to valve piping by diverting the location and controlling the concentration of imploding vapor bubbles to an area away from critical parts. The ST-1 trim works with diametrically opposed drilled, stepped holes that force vapor jets to impinge on each other in a column at the center of the valve gallery rather than erode the valve body or trim.

As with all other Trimteck control valves and products, ST-1 trim is designed with maintenance, reliability, performance, and high interchangeability of parts in mind.

  • Tolerates Sigma as low as 1.2
  • Can be characterized
  • Cost effective
Base Valve Type

Globe, Angle, Custom-Engineered/Specialty

Trim Type



Sizes (NPS)

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Cv Range

1.5 to 1000

Flow Direction

Flow Over

Pressure Stages


Flow Characteristic

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