Version 1.7 (June 2017)
TSI Flowmeters Ltd.
The Flowmaster provides flow and pressure
measurement functions. One of it’s primary uses is
for the testing of hydrants. The procedures used for
testing hydrants vary and depend on individual user
requirements.
USINg yOUR FLOWMASTER
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Fig. 4.1 Testing an underground hydrant using a
standpipe. Photographs courtesy of Essex County Fire
and Rescue Service.
Fig. 4.2 An example of a flow readout and a residual
pressure reading. Photograph courtesy of Laois Fire
Service.
The principal international standards for hydrant
testing are The JOIFF Standard; “Guideline for flow
and pressure testing of hydrants” and NFPA 291; “Fire
flow testing and marking of hydrants”. The Flowmaster
is an approved instrument meeting the instrument
stipulations laid down in The JOIFF Standard and
simplifies the measurement procedures outlined in
NFPA 291. Please refer to these standards for further
information
An operators guide for static and residual pressure
measurements and for flow measurements is supplied
on the following pages. This information is provided for
guidance only. It is preferential that the Flowmaster user
follow the guidelines provided by their organisation. A
copy of The JOIFF Standard is available on request.
Fig. 4.3 Flow testing with ball valve to facilitate static and
residual pressure measurements at Portlaoise Hospital.
Photograph courtesy of Portlaoise Hospital Service
Fig. 4.4 Inline use of Flowmaster. Photograph courtesy
of Essex County Fire and Rescue Service
Fig. 4.5 Flowmaster with fittings for use with Hoselay-
ers. Photograph courtesy of Greater Manchester Fire
and Rescue Service
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Additional information and video tutorials are available
online. For demonstrations, click on links below:
• Using the Flowmaster 250 to test a Hydrant
- http://www.youtube.com/
watch?v=8EQOp5E3TJ8
• Using the Flowmaster 250 for Flushing
- http://www.youtube.com/watch?v=yu8b_
UXd3Mk
• Using the Flowmaster 250 to test a Canadian
hydrant (hetek)
- http://www.youtube.com/watch?v=a19gwFK
kT9w&feature=player_embedded
Other tutorial videos are also available at
www.tsi.ie
