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    The inserts shown on this page are designed to press-fit into openings accurately machined in fittings, manifolds and custom parts. There is a choice of insert sizes and materials of construction.
Unit of Measure

Material

 N/A 303 SS

Nominal Orifice Size

 N/A 18

CV

 N/A 0.0073

Maximum Operating Pressure

 N/A 4000 psig

Connection A

 N/A .258" Press-Fit Insert

Screened

 N/A None

Orifice Diameter

 N/A 0.018 in0.46 mm

Total Length

 N/A 0.156 in

Maximum Outside Diameter

 N/A 0.259 in

Minimum Outside Diameter

 N/A 0.258 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Press Fit into Bore

 N/A 0.256 to 0.257 in

N/A

    The inserts can be used with a wide variety of fittings by accurately machining the inside of the fitting. The orifice is then pressed into the fitting for control of the flow rate of liquids or gases. Manifolds or other custom assemblies that require flow rate control of fluids can be accurately machined to press fit the orifices.

Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH)

 N/A 1 psig: 1.82 5 psig: 4.20 10 psig: 5.38 15 psig: 6.84 20 psig: 8.18 25 psig: 9.43 30 psig: 10.7 40 psig: 13.2 50 psig: 15.7 60 psig: 18.2 70 psig: 20.7 80 psig: 23.3 90 psig: 25.9 100 psig: 28.4

Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH)

 N/A 5 In. Hg.: 2.7 10 In. Hg.: 3.35

Air Flow at Vacuum, Choked Flow - Standard Cu. Ft. Per Hour (SCFH)

 N/A 15 In. Hg.: 3.71 20 In. Hg.: 3.71 30 In. Hg.: 3.71

Air Flow at Pressure - Standard Liters Per Minute (SLPM)

 N/A 1 psig (6.9 kPag): 0.86 5 psig (34.5 kPag): 1.98 10 psig (69.0 kPag): 2.54 15 psig (103.4 kPag): 3.23 20 psig (137.9 kPag): 3.86 25 psig (172.4 kPag): 4.45 30 psig (206.9 kPag): 5.03 40 psig (275.8 kPag): 6.21 50 psig (344.8 kPag): 7.40 60 psig (413.7 kPag): 8.58 70 psig (482.7 kPag): 9.77 80 psig (551.6 kPag): 11.0 90 psig (620.6 kPag): 12.2 100 psig (689.5 kPag): 13.4

Air Flow at Vacuum - Standard Liters Per Minute (SLPM)

 N/A 5 In. Hg. (127 Mm. Hg.): 1.28 10 In. Hg. (254 Mm. Hg.): 1.58

Air Flow at Vacuum, Choked Flow - Standard Liters Per Minute (SCFH)

 N/A 15 In. Hg. (381 Mm. Hg.): 1.75 20 In. Hg. (508 Mm. Hg.): 1.75 30 In. Hg. (762 Mm. Hg.): 1.75

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.0073 2 psig: 0.0103 3 psig: 0.0126 4 psig: 0.0146 5 psig: 0.0163 6 psig: 0.0179 7 psig: 0.0193 8 psig: 0.0206 9 psig: 0.0219 10 psig: 0.0231 15 psig: 0.0283 20 psig: 0.0326 30 psig: 0.0400 40 psig: 0.0462 50 psig: 0.0516 60 psig: 0.0565 70 psig: 0.0611 80 psig: 0.0653 90 psig: 0.0693 100 psig: 0.0730

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.0276 2 psig (13.8 kPag): 0.0391 3 psig (20.7 kPag): 0.0479 4 psig (27.6 kPag): 0.0553 5 psig (34.5 kPag): 0.0618 6 psig (41.4 kPag): 0.0618 7 psig (48.3 kPag): 0.0731 8 psig (55.2 kPag): 0.0782 9 psig (62.1 kPag): 0.0829 10 psig (69 kPag): 0.0874 15 psig (103.4 kPag): 0.1070 20 psig (137.9 kPag): 0.1236 30 psig (206.9 kPag): 0.1514 40 psig (275.8 kPag): 0.1748 50 psig (344.8 kPag): 0.1954 60 psig (413.7 kPag): 0.2140 70 psig (482.7 kPag): 0.2312 80 psig (551.6 kPag): 0.2472 90 psig (620.6 kPag): 0.2622 100 psig (689.5 kPag): 0.2763

Flow Data Status

 N/A Generic