Specifications For The Ltm - DANIEL 1200 Series User Manual

Liquid turbine meter

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Table of Contents

User manual

SERIES 1200 LIQUID TURBINE METER

P/N 3-9008-513

Valves should be capable of rapid, smooth opening and closing with positive shut-off.

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When used for intermittent flow, valves should be fast-acting and shock-free.

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Bypass lines should be equipped with blind or positive shutoff devices.

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Shut-off or control valves should be located downstream of the turbine meter.

Flow straightening devices

For accurate operation of the turbine meter, a flow conditioning plate, flow straightener

(designed for the turbine meter), or a straight run of pipe (20 pipe diameters long) is

required. All piping must be the same diameter as the turbine meter. Flow straightening

devices must be installed directly upstream of the turbine meter and should not contain

flow restricting devices which could cause reversal of the flow straightening effect.

Strainers

Install the correct size strainer upstream of the turbine meter to protect it from foreign

material damage. Recommended mesh sizes include: 80 mesh for refined products, and

20 to 40 mesh for crude products (depending on the product being measured).

Clean the strainer basket regularly, to prevent filling and rupturing of the screen.

Pressure gauges installed on both sides of the strainer monitor differential pressure across

the strainer. High pressure differential caused by filling of the basket or occlusion of

foreign material can cause a strainer basket rupture, resulting in possible turbine meter

damage.

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