Type 523 Metering Ball Valve


The new design of this valve, which is based on the Ball Valve 546, facilitates the metering of the smallest quantities of media, and can be used for sampling. The newly developed metering ball valve is available in two dimensions, ⅜ and ½ and comes with a new scale and display.

Product Overview

Technical Data:

Size Range:

  • ⅜" - ½"

Pressure Rating:

  • PN16* for PVC and PVDF
  • PN10 for PP-H

*depending on the end connection, the nominal pressure reduces to PN10   

Joining Technology:

  • Solvent Cement Socket
  • Solvent Cement Spigot
  • Fusion Socket
  • Fusion Spigot
  • Threaded Socket

Standard Ratings:

  • ASTM
  • ANSI


  • Polyvinyl Chloride (PVC)
  • Polypropylene (PP-H)
  • Polyvinylidene Fluoride (PVDF)
  • Chlorinated Polyvinyl Chloride (CPVC) and Acrylonitrile-Butadiene-Styrene (ABS) on request


  • O-Rings: EPDM and FPM
  • Ball Seal: PTFE

Fields of Application:

  • Wherever exact metering of media in your applications is required


  • Circular scale
  • Special spherical shape of the ball
  • Union type ends for easy installation and removal
  • Same installation length as the 546 Ball Valve




  • Manual valve
  • Electric Actuator
  • Positioner for Actuation