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Pressure &


Flowstream Dall Tubes

Flow Measurement Excellence

Widely recognized by the Oil, Gas & Petrochemical industries worldwide, Solartron ISA offers more than 45 years experience in the design and
manufacture of primary Differential Pressure flow meter devices.

Dall Tubes have the lowest permanent pressure loss of any primary Differential Pressure flow element. Up to 97% of the DP generated can be recovered.

Dall tubes are suitable for a number of process conditions and are particularly suited for gas transmission pipelines, where significant pressure loss is not tolerated.

The design configuration of the Dall Tube is ideal for clean fluids. It is not suited for fluids with suspended solids.

Solartron ISA offer a range of Dall Tube designs including flanged and insert types to suit various pipe-work configurations, overall length requirements, orientations and end connections. Lines size available range from 50mm up to 1200mm.

We provide complete Engineering support from initial design and sizing concepts to manufactured final products.

• Proven flow metering technology and robust design
• Very low permanent pressure loss saving energy
• Accurate flow metering of clean gases and liquids
• Negligible wear and erosion with less maintenance/inspection required
• Shorter overall lengths compared to alternative DP flow elements

Phone: +44 (0) 1388 773065 ~ email:
 Hackworth Industrial Park, Shildon, County Durham, DL4 1LH UK
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