2. Installation
• When installing the valve, ensure the flange faces are clean.
• To ensure adequate sealing it is important to select the correct type of gasket for the medium concerned, a gasket with the
correct flange size must be used.
• Place valve onto the pipe flange, and insert the bolts.
• Tighten bolts loosely.
• Tighten bolts in a diagonal sequence to ensure flanges are pulled parallel.
• Finally tighten bolts to correct torque levels as recommended in WSA 109.
2.1. Bolts
2.1.1 Bolt size
The following table shows the bolt size you should use for each valve size
3. Operation
DN
mm Bolts Quantity
80 M 16 4
100 M 16 4
SERIES 30 HYDRANT
INSTALLATION, OPERATION & MAINTENANCE MANUAL
This series of Spring fire hydrants are suitable for use with clean water and neutral liquids, to a maximum temperature of
70°C. Minimum liquid temperature must be above freezing. Insulation is essential for external temperatures on 0°C and
below to a limit of -10°C. They are rated for a maximum working pressure of 16 bar
.
SWABBING
it is not possible to use the
30/00 series spring type for this purpose.
Only the
30/10 Swab type is suitable for the introduction and retrieval of swabs.
4
. Method of Operation
The AVK 30 series Hydrant is spring loaded and opened and closed by an approved standpipe arrangement.The standpipe
locks into
position under the yoke and the tap at the top controls a rod that compresses the dome.
AVK Australia Holdings Pty Ltd - 559A Grand Junction Road, Wingfield, SA 5013, Australia - Tel: +61 8 8368 0900 - Email: enquires@avkau.com.au - www.avkcivil.com.au Version number 2
COPYRIGHT©AVK GROUP A/S 2017 Pg 4
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