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Set screw style threaded orifice inserts can be installed in fittings, manifolds or custom parts to establish flow rates of liquids or gases. Standard size orifices range from .004" to .063". Both brass and 316 SS materials are offered.
Unit of Measure
Material |
N/A Brass |
Nominal Orifice Size |
N/A 21 |
Connection A |
N/A 5/16"-18 UNC Threaded Insert |
Screened |
N/A None |
Orifice Diameter |
N/A 0.021 in |
Thread Size |
N/A 5/16-18 |
Width Across Flats (Hex) |
N/A 5/32 in |
Total Length |
N/A 0.25 in |
Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH) |
N/A 1 psig: 2.39 5 psig: 5.62 10 psig: 7.48 15 psig: 9.34 20 psig: 11.1 25 psig: 12.7 30 psig: 14.4 40 psig: 17.8 50 psig: 21.2 60 psig: 24.6 70 psig: 28.0 80 psig: 31.6 90 psig: 35.0 100 psig: 38.1 |
Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH) |
N/A 5 In. Hg.: 3.6 10 In. Hg.: 4.62 |
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 5 psig (34.5 kPag): 2.65 10 psig (69.0 kPag): 3.53 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 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): 16.5 100 psig (689.5 kPag): 18.0 |
Air Flow at Vacuum - Standard Liters Per Minute (SLPM) |
N/A 5 In. Hg. (127 Mm. Hg.): 1.70 10 In. Hg. (254 Mm. Hg.): 2.18 |
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 |
