Orifice plate type DS

Orifice plate / throttle plates

Orifice plate type DS – limit flow, throttle flow velocity

DS-type orifice plate (also known as throttle orifices or throttle plug-in discs) are used when the media flow is to be limited or the flow velocity of media is to be throttled.

They are installed as an intermediate flange component by clamping them between two flanges, providing a robust and maintenance-friendly solution for defined flow reduction.

Siebkorbfilter.de Industriefabrik Schneider Throttle plate Throttle orifice Throttle line blind Stainless steel Various diameters Nominal diameters PN08 to PN40, DN10 to DN35, DN10 to DN35, siebkorbfilter.de - orifice plate
Siebkorbfilter.de Industriefabrik Schneider Throttle plate Throttle orifice Throttle line spacer Stainless steel various diameters Nominal diameters PN08 to PN40, DN10 to DN35, stainless steel with tongue and groove - orifice plate

Advantages / Benefits

Why is a Orifice plate DS type restrictor orifice used?

  • Targeted flow limitation is made possible as the orifice plate has a bore of a smaller nominal diameter, allowing the media flow to be reduced.
  • Installation as an intermediate flange can be carried out without complex conversions to the pipe system, as the rind spacer is inserted between flanges.
  • The design, bore and material thickness can be designed in accordance with DIN/ANSI or individually according to requirements.
  • A wide range of applications is supported, as DN10 to DN500 and PN6 to PN40 are specified for line blind variants (including type DS) and other versions are available on request.

Standards, design & variants

DIN / ANSI – design as intermediate flange
Rind spacers type DS are designed for DIN and ANSI flanges and are mounted as an intermediate flange between two flanges.
Production is described in accordance with DIN 2626, among others, whereby project-specific adaptations (design/bore/material thickness) can be provided.

Sealing surfaces / shapes
Different sealing surface designs are specified for line blind variants (e.g. shape A/AA and options B, C, D), enabling adaptation to standard or project requirements.

Data sheet

Technical data

  • Nominal diameters: DN10 to DN250 (others on request)
  • Nominal pressure: PN6 to PN40 (others on request)
  • Material:Stainless steel 1.4301 and steel 1.0425
  • Perforation diameter to specification
  • Optionally with tongue and groove
Siebkorbfilter.de Industriefabrik Schneider Throttle plate Throttle orifice Throttle line blind Stainless steel Various diameters Nominal diameters PN08 to PN40, DN10 to DN35, DN10 to DN35, - orifice plate

Function & areas of application

What is a orifice plate used for?
A orifice plate type DS is used if the volume flow is to be limited or the flow velocity throttled, whereby the function is realized via a defined bore.

As it is installed as an intermediate flange, the solution can be implemented in many piping and system concepts in which a defined reduction of the passage is required.

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