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APV RG4 Modulating Valve

  • APV DELTA RG4 Regulating Valve


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  • APV DELTA RG4 Regulating Valve
Product Type:

regulating valves

Continuous flow and pressure control.
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APV DELTA RG4 Modulating Valve

The valve is designed for continuous flow and pressure control. It is equipped with a diaphragm actuator and positioner.

Field of application

All industries. For hygienic applications with flexible Kvs values. For aseptic applications the valve can be supplied with PTFE diaphragm, stainless steel bellow or steam barrier (RGMS4).


  • 3A approved
  • ATEX compliant models
  • Profile seals with ID markings that eliminate gaps and facilitate ordering of spares.
  • Flexible design - the shaft and seat can be changed to accommodate changed Kvs values (fully developed modular system).
  • Easy to maintain - the valve insert can be lifted out completely.
  • Valve design and testing according to DIN IEC 534.

All stainless steel product contact parts are made of AISI 316L / DIN EN 1.4404 grade material.

Available in nominal dimensions DN 25 – DN 150 and 1” – 4”.

In addition, SPX offers APV RG4 modulating valves in noise reduced design.

Modulating Valve Sizing Request PDF Form


Download the PDF form, complete and submit. A local SPX FLOW agent will be contacted with your valve sizing request.