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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 Brass

Nominal Orifice Size

 N/A 31

CV

 N/A 0.022

Maximum Operating Pressure

 N/A 2000 psig

Connection A

 N/A .128" Press-Fit Insert

Screened

 N/A None

Orifice Diameter

 N/A 0.031 in0.79 mm

Total Length

 N/A 0.276 in

Maximum Outside Diameter

 N/A 0.129 in

Minimum Outside Diameter

 N/A 0.128 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Press Fit into Bore

 N/A 0.126 to 0.127 in

Shank Length

 N/A 0.196 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: 5.62 5 psig: 12.4 10 psig: 18.3 15 psig: 22.5 20 psig: 26.3 25 psig: 30.1 30 psig: 33.7 40 psig: 41.1 50 psig: 48.5 60 psig: 55.9 70 psig: 63.6 80 psig: 71.2 90 psig: 78.8 100 psig: 86.7

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

 N/A 5 In. Hg.: 8.01 10 In. Hg.: 10.1

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

 N/A 15 In. Hg.: 10.7 20 In. Hg.: 10.7 30 In. Hg.: 10.7

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

 N/A 1 psig (6.9 kPag): 2.65 5 psig (34.5 kPag): 5.86 10 psig (69.0 kPag): 8.63 15 psig (103.4 kPag): 10.6 20 psig (137.9 kPag): 12.4 25 psig (172.4 kPag): 14.2 30 psig (206.9 kPag): 15.9 40 psig (275.8 kPag): 19.4 50 psig (344.8 kPag): 22.9 60 psig (413.7 kPag): 26.4 70 psig (482.7 kPag): 30.0 80 psig (551.6 kPag): 33.6 90 psig (620.6 kPag): 37.2 100 psig (689.5 kPag): 40.9

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

 N/A 5 In. Hg. (127 Mm. Hg.): 3.78 10 In. Hg. (254 Mm. Hg.): 4.77

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

 N/A 15 In. Hg. (381 Mm. Hg.): 5.05 20 In. Hg. (508 Mm. Hg.): 5.05 30 In. Hg. (762 Mm. Hg.): 5.05

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.022 2 psig: 0.031 3 psig: 0.038 4 psig: 0.044 5 psig: 0.049 6 psig: 0.054 7 psig: 0.058 8 psig: 0.062 9 psig: 0.066 10 psig: 0.070 15 psig: 0.085 20 psig: 0.098 30 psig: 0.120 40 psig: 0.139 50 psig: 0.156 60 psig: 0.170 70 psig: 0.184 80 psig: 0.197 90 psig: 0.209 100 psig: 0.220

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.083 2 psig (13.8 kPag): 0.118 3 psig (20.7 kPag): 0.144 4 psig (27.6 kPag): 0.167 5 psig (34.5 kPag): 0.186 6 psig (41.4 kPag): 0.186 7 psig (48.3 kPag): 0.220 8 psig (55.2 kPag): 0.236 9 psig (62.1 kPag): 0.250 10 psig (69 kPag): 0.263 15 psig (103.4 kPag): 0.323 20 psig (137.9 kPag): 0.372 30 psig (206.9 kPag): 0.456 40 psig (275.8 kPag): 0.527 50 psig (344.8 kPag): 0.589 60 psig (413.7 kPag): 0.645 70 psig (482.7 kPag): 0.697 80 psig (551.6 kPag): 0.745 90 psig (620.6 kPag): 0.790 100 psig (689.5 kPag): 0.833

Flow Data Status

 N/A Generic