Standard Air Flow Nozzles Products

Standard Airflow Nozzles: Helander Metal Spinning Company is the largest producer of air calibration nozzles in the world. They are offered with or without taps, caps are available and the nozzles meet most critical dimensions in respect to the AMCA/ANSI standard. Standard sizes range from 0.375" to 24" in bore diameter. Helander Metal Spinning Company is a custom metal forming and fabricating company therefore custom size orders are welcomed. See table below for sizes offered.

Clearance Hole: The approximate hole size that would be cut in the chamber in order to bolt in the flange of nozzle.

Nozzle Cap: This is not an air tight plug, rather, it is an aluminum cap that fits over the bore of the nozzle for protection.

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Standard Nozzles

Nozzle Caps

Nozzles with Taps

Specifications for Air Flow Nozzles

Capabilities Applied/Processes	Spinning, Machining, Welding
Tightest Tolerance	(+/-.001)
Material Thickness	From 0.050" Up to 0.250" thick
Material Used	Aluminum
Material Finish	#4 brush finish
Industry for Use	Air Flow Calibration
Typical Volume	1 to 100pcs
Standard Delivery Time	2 to 12 weeks
Delivery Location	International
Standards	AMCA/ANSI

Air Flow Nozzle Sizes

Bore Diameter	Approximate Flange Diameter	Approximate Clearance Hole	Blank Material Thickness
.375	2.1875	1.000	.063 ALUM
.500	3.000	1.167	.063 ALUM
.687	4.000	1.603	.090 ALUM
.750	3.000	1.751	.090 ALUM
1.000	3.750	2.334	.125 ALUM
1.250	5.500	2.918	.125 ALUM
1.500	4.500	3.501	.125 ALUM
1.600	5.250	3.734	.125 ALUM
2.000	7.500	4.668	.125 ALUM
2.500	9.000	5.500	.125 ALUM
3.000	9.875	7.002	.125 ALUM
4.000	12.000	9.336	.125 ALUM
4.500	13.500	10.000	.125 ALUM
5.000	14.000	11.670	.125 ALUM
5.500	14.937	12.837	.125 ALUM
6.000	16.000	14.004	.125 ALUM
7.000	19.334	16.338	.125 ALUM
8.000	20.150	18.672	.125 ALUM
9.000	24.000	19.500	.125 ALUM
10.000	24.000	20.500	.187 ALUM
11.000	26.500	23.000	.187 ALUM
12.000	28.000	24.000	.187 ALUM
14.000	34.000	29.000	.187 ALUM
16.000	38.000	33.000	.187 ALUM
20.000	46.000	41.000	.187 ALUM
24.000	56.000	49.000	.187 ALUM

Note: Standard nozzle flanges do not come with a bolt hole pattern. Blank material thickness will thin in the spinning process and the final part wall thickness will vary.
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