Spraytech CAIA Series Flat Internal Air Atomizing Spray Nozzles

Description

2. Siphon Principle
Siphon principle is utilized to lift liquid from a certain height from the spray nozzle, suitable where a pump or pressurized container of liquid is not available. 3. Gravity Head Principle
Gravitational head of liquid is utilized to feed liquid to the spray nozzle, suitable where a pump or pressurized container of liquid is not available.
Choice of Spray Nozzles
Each spray set-up consists of an air cap and liquid cap which provide a specific spray pattern capacity and coverage performance.

Inside Body Mixing
Liquid and air streams meet within the nozzle and are mixed together and expelled through the same orifice. This internal mixing means the streams are not independent; a change in air flow will affect the liquid flow. This makes precise metering of the liquid more difficult than with an External Mix Set-up. Internal Mix set-up is able to produce the finest atomization of any of the XA set-ups, but they are generally not suitable for use with liquids which have a viscosity that is above 200 centipoise.
Outside Body Mixing
The air and liquid streams exit the nozzle independently and are combined and mixed outside of the nozzles. Because there is no connection between the air and liquid lines within the nozzles, the air and liquid flow rates can be controlled independently, allowing precise metering of the liquid. The atomization can be controlled by adjusting the air flow rate; more air produces finer atomization. In most cases, these set-ups do not atomize as finely as Internal Mix Setups. External Mix Set-up may be used with liquid having a viscosity above 200 centipoise and for abrasive suspensions. Spraytech provides Engineering guidance for spraying high viscosity liquids.

DESIGN / SPRAY CHARACTERISTICS

• Internal mix
• Very fine atomization
• Flat fan, wide angle spray patterns (range 45° and 120°)

Flow Rates and Dimensions
Pressure-fed, Internal Mix, Flat Spray Pattern, 1/8" and 1/4" Pipe Sizes, BSP or NPT

Pipe Size	Model No.	0.7 Bar Liquid	1.5 Bar Liquid	2.0 Bar Liquid	3.0 Bar Liquid	4.0 Bar Liquid	Spray Dimensions
Air (bar)	l/h	Nm3/h	Air (bar)	l/h	Nm3/h	Air (bar)	l/h	Nm3/h	Air (bar)	l/h	Nm3/h	Air (bar)	l/h	Nm3/h	"C" Effective Spray Length (mm)	Max. Spray Length (m)
1/8 or 1/4	CAIA 050	0.7 0.9 1.0 1.1 1.3 1.4 1.5	5.5 4.7 4.1 3.5 3.0 2.5 2.0	1.44 1.62 1.86 2.04 2.22 2.40 2.64	1.3 1.5 1.8 2.1 2.4 2.7 2.8	9.1 7.7 6.5 5.4 4.3 3.3 2.8	1.86 2.16 2.52 2.82 3.12 3.42 3.60	2.0 2.2 2.5 2.8 3.1 3.2 3.4	8.6 7.5 6.2 5.2 4.2 3.7 3.2	2.52 2.82 3.12 3.42 3.78 3.90 4.08	2.7 3.0 3.2 3.5 4.2 4.6 4.9	11.2 10.1 9.1 8.1 5.4 4.2 3.1	3.12 3.36 3.72 3.96 4.74 5.10 5.46	3.9 4.6 5.3 6.0 6.3 6.7 7.0	12.0 9.7 7.5 5.3 4.3 3.3 2.4	4.14 4.86 5.58 6.24 6.60 6.96 7.32	460 660 760 860 940	2.6 3.0 3.2 3.4 4.0
1/8 or 1/4	CAIA 100	1.3 1.4 1.5 1.7 1.8 2.0	3.9 3.0 2.3 1.8 1.3 1.0	1.80 1.98 2.10 2.28 2.46 2.64	2.1 2.4 2.5 2.7 2.8 3.0 3.1	7.4 5.3 4.4 3.7 3.1 2.6 2.1	2.40 2.70 2.82 3.00 3.12 3.30 3.42	3.0 3.1 3.2 3.4 3.5 3.9	6.1 5.3 4.5 3.8 3.2 1.8	3.12 3.24 3.42 3.54 3.72 4.08	3.9 4.2 4.6 4.9	9.4 7.2 5.3 3.8	3.60 4.02 4.38 4.80	5.3 5.6 6.0 6.3	10.2 8.3 6.6 5.1	4.68 5.04 5.34 5.88	460 690 740 940 970	1.8 2.0 2.0 2.1 2.3
1/8 or 1/4	CAIA 150	0.9 1.0 1.1 1.3 1.4	8.2 6.8 5.5 4.1 2.9	1.20 1.38 1.62 1.80 2.04	1.4 1.7 2.0 2.1 2.2 2.4 2.5	14.4 11.9 9.5 8.3 7.1 6.1 5.1	1.62 1.92 2.22 2.40 2.58 2.76 2.94	2.1 2.4 2.7 3.0 3.2 3.4 3.5	13.5 11.4 9.2 7.1 5.0 4.0 3.3	2.16 2.52 2.82 3.18 3.54 3.78 3.96	2.7 3.0 3.2 3.5 4.2 4.6 4.9	19.1 17.1 15.1 13.1 8.1 5.9 4.0	2.52 2.76 3.12 3.42 4.32 4.74 5.16	4.6 4.9 5.3 5.6 6.0 6.3 6.7	16.1 13.8 11.5 9.3 7.3 5.6 4.3	4.14 4.56 4.98 5.40 5.82 6.24 6.72	710 810 890 970 970	2.1 2.4 2.6 2.7 3.2
1/8 or 1/4	CAIA 200	1.0 1.1 1.3 1.4 1.7 2.0 2.2	9.0 7.8 6.6 5.2 3.1 2.0 1.1	1.50 1.80 1.92 2.16 2.64 3.00 3.36	2.0 2.1 2.2 2.5 2.8 3.1 3.4	10.4 9.3 8.2 6.1 4.3 3.0 2.0	2.46 2.70 2.88 3.30 3.72 4.14 4.50	2.4 2.5 2.7 3.0 3.2 3.5 3.8	11.6 10.4 9.4 7.3 5.5 4.1 2.9	2.88 3.06 3.24 3.66 4.08 4.50 4.86	3.1 3.2 3.4 3.8 4.2 4.9 6.0	15.6 14.6 13.7 10.8 8.5 5.2 2.3	33.6 3.54 3.72 4.26 4.92 5.88 7.20	4.2 4.6 4.9 5.3 5.6 6.3 7.0	17.1 15.0 12.8 11.0 9.4 7.2 6.1	4.38 4.80 5.22 5.64 6.18 7.14 8.04	170 200 220 280 330	3.0 3.7 4.0 4.2 4.8
1/8 or 1/4	CAIA 250	1.1 1.3 1.4 1.5 1.7	11.2 8.5 6.5 5.0 3.8	3.24 3.60 3.90 4.26 4.62	2.1 2.2 2.4 2.5	18.0 15.8 13.6 11.6	4.47 5.04 5.34 5.70	2.7 2.8 3.0 3.1 3.2	19.6 17.3 15.2 13.2 11.4	5.58 5.88 6.18 6.54 6.84	3.5 3.7 3.8 3.9 4.1 4.2	27.0 25.0 23.0 21.0 18.9 17.0	6.72 6.96 7.26 7.56 7.92 8.22	4.6 4.9 5.3 5.6 6.0 6.3	33.0 28.0 24.0 19.7 15.7 12.4	8.22 8.94 9.66 10.4 11.2 12.0	200 330 400 460 480	3.0 3.2 3.4 3.5 4.0
1/8 or 1/4	CAIA 300	0.9 1.0 1.1 1.3 1.4 1.5	27.0 20.0 15.9 12.5 10.2 7.6	1.98 2.28 2.70 2.88 3.36 3.72	1.8 2.1 2.2 2.4 2.5 2.7	38.0 28.0 24.0 21.0 17.8 15.1	3.30 3.96 4.26 4.56 4.92 5.22	2.4 2.7 3.0 3.2 3.4 3.5 3.7	39.0 30.0 24.0 17.8 15.1 12.9 10.6	4.02 4.62 5.22 5.88 6.18 6.54 6.84	3.2 3.5 3.8 3.9 4.2 4.6 4.9	58.0 47.0 38.0 34.0 27.0 20.0 14.8	4.56 5.22 5.82 6.18 6.78 7.56 8.40	4.6 5.3 5.6 6.0 6.3 6.7 7.0	59.0 40.0 32.0 26.0 20.0 15.9 12.7	6.36 7.92 8.70 9.48 10.3 11.1 11.9	300 410 430 480 510	3.4 3.5 3.7 3.8 4.4
1/8 or 1/4	CAIA 350	1.0 1.1 1.3 1.4	17.0 11.0 7.6 3.2	1.38 1.62 1.98 2.40	2.0 2.1 2.2 2.4 2.5	24.0 18.9 14.4 10.6 7.2	2.64 3.00 3.36 3.78 4.26	2.4 2.5 2.7 2.8 3.0	28.0 23.0 18.9 15.1 11.7	3.06 3.54 3.96 4.44 4.74	3.4 3.5 3.7 3.8 3.8 4.2 4.6	38.0 33.0 28.0 23.0 19.7 13.1 7.2	4.32 4.80 5.34 5.82 6.30 7.20 8.28	3.9 4.2 4.6 4.9 5.3 5.6 6.3	65.0 53.0 40.0 30.0 21.0 13.8 3.2	4.50 5.34 6.48 7.62 8.94 10.4 13.5	150 170 220 280 350	2.4 3.0 3.4 3.6 4.0
1/8 or 1/4	CAIA 400	1.0 1.1	29.0 18.9	5.40 6.48	1.8 2.0	56.0 40.0	7.02 7.98	2.1 2.2 2.4 2.5 2.7	100 79.0 62.0 48.0 36.0	7.14 7.98 8.82 9.72 10.6	3.0 3.1 3.2 3.4 3.5 3.7 3.8	126 110 95.0 78.0 62.0 48.0 37.0	8.40 9.06 9.78 11.0 11.6 12.6 13.5	4.1 4.2 4.6 4.9 5.3 5.6	140 125 89.0 58.0 34.0 16.7	10.9 11.6 13.5 15.9 18.3 20.4	250 430 460 530 580	3.4 3.8 4.3 4.6 5.2