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Flow measuring orifice with self-sealed measuring points.

Product Information

Flow measuring orifice

Flow measuring orifice with self-sealed measuring points.

Technical description


Heating and cooling systems
Tapwater systems




DN 20-900

Pressure class:

PN 16 (DN 20-900)
PN 25 (DN 65-300)
PN 40 (DN 65-450)


Max. working temperature: 120°C
Min. working temperature: -20°C


Fixed orifice: Stainless steel X3CrNiMo17-13-3 (No. 1.4436 according to EN 10028-7 or EN 10272 (BS 970 316/S16)
Measuring points: AMETAL®
Sealing (measuring points): EPDM

AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.


TA, MDFO, DN, PN, Charge No, flow direction arrow.
DN 20-150 (PN 16): BS 7350.

The products, texts, photographs, graphics and diagrams in this document may be subject to alteration by IMI Hydronic Engineering without prior notice or reasons being given. For the most up to date information about our products and specifications, please visit www.imi-hydronic.com.

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