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cooling tower water spiral spray nozzles, the spiral spray nozzle's material has SS,PP,PTFE,PVC and so on - details see: https://www.machineto.com/cooling-tower-water-spiral-spray-nozzles-10213197

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cooling tower water spiral spray nozzles

Ceramic Teflon Spiral Nozzle
Spiral nozzle also can be called sulfur removal, large flow rate nozzle, and dust extraction nozzle. Ceramic spiral nozzle of Yue Bo Si is made from AL2O3 ceramic. Features of AL2O3 ceramic are as follows:
1 excellent insulation
2 High mechanical strength, resistance of pressure and strong wreckage.
3 excellent resistance of wear
4 excellent stability and chemical property
5 resistance of high temperature
6 good finish

The application of YueBoSi's AL2O3 ceramic spiral nozzle:
electronics, appliance, mechanical equipment, automotive, oil and chemical industries and so on; often used in the high pressure, high temperature and easily wear out place. Spiral nozzle made of 95% AL2O3 ceramic was adopted non-blocking design and widely used on gas sulfur removal, large flow rate cleaning and fire fighting fields.

Performance data:
AL2O3 95%
volume density: (g/cm3) 3.6
breaking strength(Mpa) 304
ceramic hardness 8.5
7.5 Linear expansion coefficient
thermal conductivity (w/m.r)20
Insulation strength (KV/mm)10
300°C >1012 volume resistivity
Long-term operation temperature (°C) 1480
refractoriness (°C) 2000

Flow rate parameter table

pipe dimension NPT or BSPT (outer tube)	spray angle					flow size	aperture(mm)	smooth diameter	flow rate(L/min)
	60°	90°	120°	150°	170°				0.7	1.5	3	7	25
1/4	.	.	.			07	2.4	2.4	2.6	3.9	5.5	8.4	16
	.	.	.	.	.	13	3.2	3.2	4.9	7.3	10.3	15.7	30
	.	.	.	.	.	20	4.0	3.2	7.6	11.2	15.8	24	46
3/8	.					07	2.4	2.4	2.6	3.9	5.5	8.4	16
	.					13	3.2	3.2	4.9	7.3	10.3	15.7	30
	.					20	4.0	3.2	7.6	11.2	15.8	24	46
	.	.	.	.	.	30	4.8	3.2	11.4	16.7	24	36	68
	.	.	.	.	.	40	5.6	3.2	15.1	22	32	48	91
	.	.	.	.	.	53	6.4	3.2	20	30	42	64	121
	.	.	.	.	.	82	7.9	3.2	31	46	65	99	187
1/2	.	.	.	.	.	120	9.5	4.8	45	67	95	145	270
	.	.	.	.	.	164	11.1	4.8	62	92	129	198	370
3/4	.	.	.	.	.	210	12.7	4.8	80	117	166	255	480
1	.	.	.	.	.	340	15.9	6.4	130	180	270	410	775
	.	.	.	.	.	470	19.1	6.4	179	260	370	585	1070
1-1/2	.	.	.	.	.	640	22.2	7.9	245	355	505	770	1460
	.	.	.	.	.	820	25.4	7.9	310	455	645	990	1870
	.	.	.	.	.	960	28.6	7.9	365	535	755	1160	2190
2	.	.	.	.	.	1400	34.9	11.1	535	780	1105	1690	3190
	.	.	.	.	.	1780	38.1	11.1	680	995	1405	2150	4060
3	.	.	.			2560	44.5	14.3	980	1430	2020	3090	5830
	.	.	.			3360	50.8	14.3	1280	1880	2650	4050	7660
4	.	.	.			5250	63.5	15.9	2000	2930	4140	6330	11960

If the pressure is more than the above, please choose brass and ss316 spray nozzle