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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 4

CV

 N/A 0.00035

Maximum Operating Pressure

 N/A 4000 psig

Connection A

 N/A .249" Press-Fit Insert

Screened

 N/A None

Orifice Diameter

 N/A 0.0039 in0.1 mm

Thread Size

 N/A 10-32

Total Length

 N/A 0.270 in

Maximum Outside Diameter

 N/A 0.2495 in

Minimum Outside Diameter

 N/A 0.2490 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Press Fit into Bore

 N/A 0.2475 to 0.2485 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: 0.075 5 psig: 0.18 10 psig: 0.25 15 psig: 0.30 20 psig: 0.40 25 psig: 0.47 30 psig: 0.53 40 psig: 0.64 50 psig: 0.76 60 psig: 0.89 70 psig: 1.02 80 psig: 1.14 90 psig: 1.27 100 psig: 1.40

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

 N/A 5 In. Hg.: 0.113 10 In. Hg.: 0.145

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

 N/A 15 In. Hg.: 0.158 20 In. Hg.: 0.158 30 In. Hg.: 0.158

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

 N/A 1 psig (6.9 kPag): 0.035 5 psig (34.5 kPag): 0.09 10 psig (69.0 kPag): 0.12 15 psig (103.4 kPag): 0.16 20 psig (137.9 kPag): 0.19 25 psig (172.4 kPag): 0.22 30 psig (206.9 kPag): 0.25 40 psig (275.8 kPag): 0.30 50 psig (344.8 kPag): 0.36 60 psig (413.7 kPag): 0.42 70 psig (482.7 kPag): 0.48 80 psig (551.6 kPag): 0.54 90 psig (620.6 kPag): 0.60 100 psig (689.5 kPag): 0.66

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

 N/A 5 In. Hg. (127 Mm. Hg.): 0.053 10 In. Hg. (254 Mm. Hg.): 0.069

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

 N/A 15 In. Hg. (381 Mm. Hg.): 0.075 20 In. Hg. (508 Mm. Hg.): 0.075 30 In. Hg. (762 Mm. Hg.): 0.075

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.00035 2 psig: 0.00049 3 psig: 0.00061 4 psig: 0.00070 5 psig: 0.00078 6 psig: 0.00086 7 psig: 0.00093 8 psig: 0.00099 9 psig: 0.00105 10 psig: 0.00111 15 psig: 0.00136 20 psig: 0.00157 30 psig: 0.00192 40 psig: 0.00221 50 psig: 0.00247 60 psig: 0.00271 70 psig: 0.00293 80 psig: 0.00313 90 psig: 0.00332 100 psig: 0.00350

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.0013 2 psig (13.8 kPag): 0.0019 3 psig (20.7 kPag): 0.0023 4 psig (27.6 kPag): 0.0026 5 psig (34.5 kPag): 0.0030 6 psig (41.4 kPag): 0.0030 7 psig (48.3 kPag): 0.0035 8 psig (55.2 kPag): 0.0037 9 psig (62.1 kPag): 0.0040 10 psig (69 kPag): 0.0042 15 psig (103.4 kPag): 0.0051 20 psig (137.9 kPag): 0.0059 30 psig (206.9 kPag): 0.0073 40 psig (275.8 kPag): 0.0084 50 psig (344.8 kPag): 0.0094 60 psig (413.7 kPag): 0.0103 70 psig (482.7 kPag): 0.0111 80 psig (551.6 kPag): 0.0119 90 psig (620.6 kPag): 0.0126 100 psig (689.5 kPag): 0.0132

Flow Data Status

 N/A Generic