DEFO Catalogue-IN.qxd - Crystal Fountains
DEFO Catalogue-IN.qxd - Crystal Fountains
DEFO Catalogue-IN.qxd - Crystal Fountains
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42<br />
NTO<br />
series<br />
Specification:<br />
Construction shall be<br />
machined cast bronze,<br />
brass and copper with<br />
<strong>DEFO</strong> integral angle and<br />
rate adjustments.<br />
Options:<br />
(Add suffix)<br />
Q - chrome plated<br />
S - <strong>DEFO</strong> swivel<br />
connection<br />
(see ASL/ASU series)<br />
Note:<br />
(for optimum effect)<br />
1. Angle and rate of<br />
rotation adjustable.<br />
2. Requires fine screening<br />
at pump (see performance<br />
chart).<br />
3. Use shaded chart section.<br />
Twirl Jet<br />
NOZZLE<br />
COPPER<br />
HEMISPHERE<br />
ADJUSTABLE<br />
SP<strong>IN</strong> TUBE<br />
N.P.T./B.S.P.<br />
B<br />
C<br />
WATER<br />
LEVEL<br />
A<br />
Function<br />
A column of water spirals<br />
gracefully upwards to form an<br />
encircling lariat of droplets.<br />
Ideal as a peripheral effect for<br />
medium to large installations<br />
with large pool areas. Not<br />
water level dependent.<br />
Visibility<br />
Sound Level<br />
NTO-075 NTO-150<br />
Wind Resistance<br />
Splash/Mist<br />
Dimensions (in mm) Performance<br />
NOZZLE<br />
COPPER<br />
HEMISPHERE<br />
ADJUSTABLE<br />
SP<strong>IN</strong> TUBE<br />
<strong>DEFO</strong> suction a b c inlet spray<br />
no. strainer dim. dim. dim. (npt) height 0.9 1.2 1.5 2.4 3.0<br />
openings<br />
required<br />
(bsp) (meters)<br />
L/min 19 19 19 26<br />
NTO-075 2 114 100 10 20 M/head 1 2 2 3<br />
spread* n/a n/a n/a n/a<br />
L/min 98 125 159<br />
NTO-150 3 203 140 40 40 M/head 3 5 7<br />
spread* n/a n/a n/a<br />
* Spread will vary according to adjustable nozzle setting.<br />
B<br />
C<br />
WATER<br />
LEVEL<br />
N.P.T./B.S.P.<br />
A
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