DEFO Catalogue-IN.qxd - Crystal Fountains

8
NCA
series
Specification:
Construction shall be cast
bronze with machined
orifice.
Options:
(Add suffix)
Q - chrome plated
S - DEFO swivel
connection
(see ASL/ASU series)
W- wave suppression
device
Note:
(for optimum effect)
1. Dimension ‘W’
[nozzle projection
above water level] for
NCA-125/150/200/300
must be maintained.
2. Dimension ‘W’
[nozzle projection
below water level (-)]
for NCA-050/075 must
be maintained.
3. Requires non-turbulent
water supply.
4. Wave suppression device
required in small circular
pools or confined areas.
5. A constant unvarying
water level is required.
6. Use shaded chart section.
Cascade Jet
WATER
LEVEL
N.P.T./B.S.P.
SWIVEL CONN
(OPTIONAL)
Dimensions (in mm) Performance
C
B
A
W
Function
A geyser-like eruption of foamy
white water, the Cascade Jet
bursts from the surface and then
falls heavily in a conical pattern.
Provides optimum visual and
sound effects. Ideal for mediumsized
and large displays.Water
level dependent.
DEFO suction a b c w inlet spray
no. strainer dim. dim. dim. dim. (npt) height .60 0.9 1.2 1.5 1.8 2.4 3.0 3.7 4.6 6.1 7.6 9.1
openings (bsp) (meters)
required
L/min 26 34 38 42
NCA-050 6 100 50 50 -32 12 M/head 5 8 11 12
spread 203 381 559 813
L/min 45 57 61 76 76 87
NCA-075 8 140 70 65 -25 20 M/head 6 7 10 13 16 21
spread 254 279 432 610 762 864
L/min 61 79 87 98 110 129 144 151
NCA-125 8 203 114 89 12 32 M/head 4 5 7 9 11 15 18 20
spread 229 305 457 610 711 737 914 1016
L/min 87 110 121 136 159 170 185 201 220
NCA-150 8 229 121 95 12 40 M/head 3 4 5 7 10 11 14 15 19
spread 254 381 483 610 762 813 914 940 1016
L/min 159 178 189 231 254 269 284 348
NCA-200 17 273 140 114 12 50 M/head 4 6 7 10 12 13 15 22
spread 381 508 508 914 1016 1092 1270 1397
L/min 333 341 352 424 439 545 628 708 776
NCA-300 22 362 203 165 20 75 M/head 7 8 11 13 15 19 24 32 35
spread 610 610 660 1067 1219 1524 1524 2134 2438
Visibility
Sound Level
Wind Resistance
Splash/Mist