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General Catalog 763-10
DDW-DS31
DDW-DS31
Orifice plate flow controller
DDW-DS31
DDW-DS31

• For liquids
• From ND 40 to 200, or ¼'' to 2''
• Horizontal or vertical installation
• Liquids flow monitoring of water,
     lubricating oils, neutral liquids
• Microswitch, changeover

APPLICATIONS

These orifice plate flow controllers are designed for flow monitoring of water, lubricating oils, neutral liquids. They cover a large range of piping diameters

DESCRIPTION

The device works according to the principle of differential pressure which is proportional to the square of the volume rate of flow through the pipeline. The series DDW integrates an orifice plate inside an armature for wafer mounting or with threaded fittings. The DS31 controller contains a rugged and uncomplicated diaphragm system. The differential pressure generates a force which moves the diaphragm system against the measuring spring. The resulting displacement activates a micro switch. The user sets the switch point within 30 to 100 % of the flow scale.

The reliability of the measurement depends of the flow behaviour at the measuring point.
The region of steady flow should covers piping distances of 6 DN upstream and 4 DN downstream of the device.

Several versions in steel, stainless steel or brass are available: DDW-DN Wafer mounting for flanges acc. DIN EN 1092-1
DDW-Gi     Female threads acc. DIN EN ISO 228
DDW-Ga    Male threads acc. DIN EN ISO 228
DDW-Rp    Unions acc. DIN EN 10226-1 (ISO 7-1)

• Every BAMO Kirchner instrument is tested in conformity with EC directives.
• The corresponding declaration of conformity is available on request.
• The current version in force is available on our WEB site.
• Our production center Kirchner, is certified DIN EN ISO 9001: 2015

General Catalog 763-10
04/02/2022 16:28
Orifice plate flow controller
DDW-DS31
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