TPi January 2010

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January 2010 Tube Products International 47
f i t t ingsfeature on . . .
Hattersley, UK, a provider of cast
iron, ductile and copper alloy valves,
has launched a new range of WRAS
(Water Regulations Advisory Scheme)
approved DZR brass ball valves. The
range includes six compression sizes
from 15 to 54mm and eight threaded
sizes from 0.25" to 2".
New WRAS-approved
ball valve from
Hattersley
With the aim of reducing the risk of
installation damage, Hattersley has
added extra seals to the new ball valves.
A metal-to-metal primary seal on the
body seat retainer joint combined with
a Loctite 648 seal provides greater
strength and sealing capabilities. An
O-ring seal in the main joint provides
additional protection against leakage in
the threaded versions.
A waterproof and tear-resistant tag
attached to each valve gives installation
instructions, including the number of
wrench turns needed to give positive
sealing without over-tightening.
Hattersley valves fully comply with
thread length specifications in BS EN
10266.
The DZR brass used in the construction
of the valves means they are suitable
for use over a temperature range from
-10ºC to +120ºC, making them suitable
for HVAC applications. The valves’
WRAS approval means they can also be
used with potable water supplies.
Operating handle options include
extended stem lever, ‘T’ handle,
lockshield and quarter turn lever. The
valves require only a quarter-turn to
move from fully closed to fully open
positions.
Hattersley – UK
The new Hattersley
DZR ball valve