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PED compliant and CE marked flow indicators

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article image Flowpoints' flow indicators.

FLOWPOINTS' flow indicators, available from Duff and Macintosh , can be used to check for the presence of a liquid where there is intermittent flow, partially filled lines, or entrained air. They can be used in vertical or horizontal lines.

Flow indicator bodies are cast in either carbon steel or 316 stainless steel. The sight glass windows are held in place by stainless steel covers and screws, and sealed with PTFE gaskets, giving superior protection. For ease of maintenance the glasses can be individually removed and replaced.

For standard applications the indicator is fitted with toughened soda lime glass discs to BS3463 and rated to 16 bar. For steam and condensate the company recommends toughened borosilicate glass, while for alkaline liquids mica discs can be used to protect the glass.

The sight glasses can be supplied with screwed connections to NPT, BSP parallel or taper. The standard flanges available are ANSI 150, ANSI 300 and PN16, though special flanges can be supplied.

Flowpoints can supply flow indicators in special materials such as super duplex or low carbon steels. Sight glasses conforming to NACE MR0175 can also be produced. For particularly corrosive applications the body can be lined with HALAR, ECTFE or PFA.

High pressure toughened soda lime glass to BS3463 rated to 60 bar, toughened borosilicate glass to BS3463, or DIN7080 rated up to 16 bar can be used. The high pressure range uses powder-coated mild steel covers as standard, though stainless steel covers are available.

The flow indicators are fully PED (Pressure Equipment Directive) compliant and CE marked where required. TUV is the external auditor for the Pressure Equipment Directive with full material traceability being maintained.

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