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Influx Measurements Limited

1A Bennett House
The Dean
Alresford
Hampshire
SO24 9BQ
United Kingdom

Tel: +44 (0)1962 736736 • Fax: +44 (0)1962 736737
Email: sales@influxmeasurements.com


Certificate No 464a


'Firesure' Flowmeters

Product

Nominal Pipe Size to BS 1387 (DN)

Nominal Pipe Size to BS 3600 (DN)

Flow Range (dm3/min)

Connection Type

LPCB
Ref. No.
Fireflange

50

150-700

Flange

464a/01
Fireflange

80

300-1600

Flange

464a/02
Fireflange

100

500-3500

Flange

464a/03
Fireflange

150

900-7900

Flange

464a/04
Fireflange

200

2000-15000

Flange

464a/05
Firegroove

50

150-700

Groove

464a/06
Firegroove

80

300-1600

Groove

464a/07
Firegroove

100

500-3500

Groove

464a/08
Firegroove

150 (165.1mm)

900-7900

Groove

464a/09
Firegroove

150 (168.3mm)

900-7900

Groove

464a/22
Firegroove

200

2000-15000

Groove

464a/10

 

These meters have been approved for installation with the gauge glass in the vertical position. There must be at least five diameters of straight pipe upstream and downstream of the orifice plate. The isolating valves on the pressure tappings must be kept closed when the  meter is not being used. A spare gauge glass must be provided and located in the cabinet containing the stock of replacement sprinklers.

 


 

To read the Red Book section introduction click here.

 

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