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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 27

CV

N/A 0.017

Maximum Operating Pressure

N/A 2000 psig

Connection A

N/A .258" Press-Fit Insert

Screened

N/A None

Orifice Diameter

N/A 0.027 in0.69 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: 4.13 10 psig: 13.6 100 psig: 65.3 15 psig: 16.8 20 psig: 19.7 25 psig: 22.7 30 psig: 25.4 40 psig: 31.1 5 psig: 9.41 50 psig: 36.7 60 psig: 42.4 70 psig: 48.1 80 psig: 53.6 90 psig: 59.3

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

N/A 10 In. Hg.: 7.59 5 In. Hg.: 6

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

N/A 15 In. Hg.: 8.01 20 In. Hg.: 8.01 30 In. Hg.: 8.01

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

N/A 1 psig (6.9 kPag): 1.95 10 psig (69.0 kPag): 6.43 100 psig (689.5 kPag): 30.8 15 psig (103.4 kPag): 7.95 20 psig (137.9 kPag): 9.28 25 psig (172.4 kPag): 10.7 30 psig (206.9 kPag): 12.0 40 psig (275.8 kPag): 14.7 5 psig (34.5 kPag): 4.44 50 psig (344.8 kPag): 17.3 60 psig (413.7 kPag): 20.0 70 psig (482.7 kPag): 22.7 80 psig (551.6 kPag): 25.3 90 psig (620.6 kPag): 28.0

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

N/A 10 In. Hg. (254 Mm. Hg.): 3.58 5 In. Hg. (127 Mm. Hg.): 2.83

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

N/A 15 In. Hg. (381 Mm. Hg.): 3.78 20 In. Hg. (508 Mm. Hg.): 3.78 30 In. Hg. (762 Mm. Hg.): 3.78

Water Flow - Gallons/minute (GPM)

N/A 1 psig: 0.017 2 psig: 0.024 3 psig: 0.029 4 psig: 0.034 5 psig: 0.038 6 psig: 0.042 7 psig: 0.045 8 psig: 0.048 9 psig: 0.051 10 psig: 0.054 15 psig: 0.066 20 psig: 0.076 30 psig: 0.093 40 psig: 0.108 50 psig: 0.120 60 psig: 0.132 70 psig: 0.142 80 psig: 0.152 90 psig: 0.161 100 psig: 0.170

Water Flow - Liters/minute (LPM)

N/A 1 psig (6.9 kPag): 0.064 2 psig (13.8 kPag): 0.091 3 psig (20.7 kPag): 0.111 4 psig (27.6 kPag): 0.129 5 psig (34.5 kPag): 0.144 6 psig (41.4 kPag): 0.144 7 psig (48.3 kPag): 0.170 8 psig (55.2 kPag): 0.182 9 psig (62.1 kPag): 0.193 10 psig (69 kPag): 0.203 15 psig (103.4 kPag): 0.249 20 psig (137.9 kPag): 0.288 30 psig (206.9 kPag): 0.352 40 psig (275.8 kPag): 0.407 50 psig (344.8 kPag): 0.455 60 psig (413.7 kPag): 0.498 70 psig (482.7 kPag): 0.538 80 psig (551.6 kPag): 0.576 90 psig (620.6 kPag): 0.610 100 psig (689.5 kPag): 0.644

Flow Data Status

N/A Generic