Orifice plates (also known as throttle orifice plates or throttle plug-in plates) of type DS 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 between two flanges, which makes it possible to implement a robust and maintenance-friendly solution for defined flow reduction.
Why is a Orifice plate DS type restrictor orifice used?
DIN / ANSI – design as intermediate flange
Orifice plates 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.
What is an orifice plate used for?
Eine Drosselscheibe Typ DS wird eingesetzt, wenn der Volumenstrom begrenzt oder die Fließgeschwindigkeit gedrosselt werden soll, wobei die Funktion über eine definierte Bohrung realisiert wird.
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.
The orifice plate is designed for installation between flanges and is aligned in the flange connection so that the throttle bore corresponds to the pipe axis and a defined flow limitation is possible.
The sealing surfaces and designs (e.g. shape A/B/C/D depending on the specification) are selected according to the flange geometry so that the connection can be installed in accordance with the regulations.
Screwing is carried out crosswise and evenly in order to achieve a flat support and reproducible clamping forces.
Before insertion, the safe shutdown and complete depressurization of the pipe is assumed as a basic measure to avoid risks with flange openings.
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