VRCA Fast acting spring loaded pressure relief valve


  • Body and cover in ductile cast iron GJS 450-10
  • Internals in stainless steel
  • Painting with fluidized bed technology RAL 5005
  • Designed to assist mitigating transient surges in pipelines
  • Extremely fast opening relief
  • Virtually maintenance free


The CSA Mod. VRCA—with body and cover in ductile cast iron and internals in stainless steel—discharges the excess in pressure, with a pre-set and adjustable value, regardless of variations in demand to protect the system against unwanted surges and water hammer effects.

Thanks to an exclusive spring loaded piston technology, the valve will guarantee an immediate reaction. The CSA Mod. VRCA is extremely fast in reaction speed venting water pressure immediately to atmosphere to keep the pipeline pressure at safe working pressures. Reducing surge effects in the pipeline reduces the possibility of failure due to excessive pressure.


Watch animation of computer modeling incorporating surge relief

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