Parametric Search
    This type precision orifice includes an o-ring for sealing against a flat surface. The set screw style can be installed in fittings, manifolds and custom parts for accurate flow rate control of liquids or gases.
Unit of Measure

Seal Material

N/A Viton

Material

N/A Brass

Nominal Orifice Size

N/A 21

CV

N/A 0.0096

Maximum Temperature

N/A 300 ºF

Maximum Operating Pressure

N/A 200 psig

Maximum Opening Diameter

N/A 0.047 in

Connection A

N/A 6-32 UNC Threaded Insert O-ring seal

Screened

N/A None

Orifice Diameter

N/A 0.021 in

Thread Size

N/A 6/32

Width Across Flats (Hex)

N/A 1/16 in

Total Length

N/A 0.310 in

Orifice Diameter Accuracy

N/A ±0.0005 in

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

N/A 1 psig: 2.39 10 psig: 7.48 100 psig: 38.1 15 psig: 9.34 20 psig: 11.1 25 psig: 12.7 30 psig: 14.4 40 psig: 17.8 5 psig: 5.62 50 psig: 21.2 60 psig: 24.6 70 psig: 28.0 80 psig: 31.6 90 psig: 35.0

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

N/A 10 In. Hg.: 4.62 5 In. Hg.: 3.6

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

N/A 15 In. Hg.: 4.92 20 In. Hg.: 4.92 30 In. Hg.: 4.92

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

N/A 1 psig (6.9 kPag): 1.13 10 psig (69.0 kPag): 3.53 100 psig (689.5 kPag): 18.0 15 psig (103.4 kPag): 4.41 20 psig (137.9 kPag): 5.22 25 psig (172.4 kPag): 6.01 30 psig (206.9 kPag): 6.81 40 psig (275.8 kPag): 8.42 5 psig (34.5 kPag): 2.65 50 psig (344.8 kPag): 10.0 60 psig (413.7 kPag): 11.6 70 psig (482.7 kPag): 13.2 80 psig (551.6 kPag): 14.9 90 psig (620.6 kPag): 16.5

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

N/A 10 In. Hg. (254 Mm. Hg.): 2.18 5 In. Hg. (127 Mm. Hg.): 1.70

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

N/A 15 In. Hg. (381 Mm. Hg.): 2.32 20 In. Hg. (508 Mm. Hg.): 2.32 30 In. Hg. (762 Mm. Hg.): 2.32

Water Flow - Gallons/minute (GPM)

N/A 1 psig: 0.010 2 psig: 0.014 3 psig: 0.017 4 psig: 0.019 5 psig: 0.021 6 psig: 0.024 7 psig: 0.025 8 psig: 0.027 9 psig: 0.029 10 psig: 0.030 15 psig: 0.037 20 psig: 0.043 30 psig: 0.053 40 psig: 0.061 50 psig: 0.068 60 psig: 0.074 70 psig: 0.080 80 psig: 0.086 90 psig: 0.091 100 psig: 0.096

Water Flow - Liters/minute (LPM)

N/A 1 psig (6.9 kPag): 0.036 2 psig (13.8 kPag): 0.051 3 psig (20.7 kPag): 0.063 4 psig (27.6 kPag): 0.073 5 psig (34.5 kPag): 0.081 6 psig (41.4 kPag): 0.081 7 psig (48.3 kPag): 0.096 8 psig (55.2 kPag): 0.103 9 psig (62.1 kPag): 0.109 10 psig (69 kPag): 0.115 15 psig (103.4 kPag): 0.141 20 psig (137.9 kPag): 0.163 30 psig (206.9 kPag): 0.199 40 psig (275.8 kPag): 0.230 50 psig (344.8 kPag): 0.257 60 psig (413.7 kPag): 0.281 70 psig (482.7 kPag): 0.304 80 psig (551.6 kPag): 0.325 90 psig (620.6 kPag): 0.345 100 psig (689.5 kPag): 0.363

Flow Data Status

N/A Generic