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Dwyer IEFS User Manual

Page 5

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Page 7

INSTALLATION

Caution:

These flow sensors are not recommended for installation down-

stream of a boiler feedwater pump where installation fault may expose the

flow sensor to boiler pressure and temperature. Maximum recommended

temperature is 200°F.

Page 6

INSTALLATION

STRAIGhT PIPE RECOMMENDATIONS
(X = diameter)

5X

10X

5X

10X

5X

20X

5X

20X

30X

50X

Reduced Pipe

Two Elbows In Plane

Two Elbows, Out Of Plane

Expanded Pipe

Swirling Flow

Propeller Meter

Partially Open

butterfly Valve

Spiral Flow

FuLL PIPE RECOMMENDATIONS

better Installation

Possible Problem

better Installation

Possible Problem

Allows air pockets to form at sensor

Ensures full pipe

Post-valve cavitation can create air pocket

Keeps pipe full at sensor

Air can be trapped

Allows air to bleed off

better Installation

Possible Problem

IEFS

IEFS

IEFS

IEFS

IEFS

IEFS