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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 42 |
Connection A |
N/A 1/4"-20 UNC Threaded Insert |
Screened |
N/A None |
Orifice Diameter |
N/A 0.042 in |
Thread Size |
N/A 1/4-20 |
Width Across Flats (Hex) |
N/A 1/8 in |
Total Length |
N/A 0.25 in |
Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH) |
N/A 1 psig: 10.60 5 psig: 23.9 10 psig: 33.1 15 psig: 40.5 20 psig: 47.7 25 psig: 54.9 30 psig: 62.3 40 psig: 76.9 50 psig: 91.7 60 psig: 107 70 psig: 122 80 psig: 137 90 psig: 151 100 psig: 167 |
Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH) |
N/A 5 In. Hg.: 15.4 10 In. Hg.: 19.2 |
Air Flow at Vacuum, Choked Flow - Standard Cu. Ft. Per Hour (SCFH) |
N/A 15 In. Hg.: 20.0 20 In. Hg.: 20.0 30 In. Hg.: 20.0 |
Air Flow at Pressure - Standard Liters Per Minute (SLPM) |
N/A 1 psig (6.9 kPag): 4.99 5 psig (34.5 kPag): 11.3 10 psig (69.0 kPag): 15.6 15 psig (103.4 kPag): 19.1 20 psig (137.9 kPag): 22.5 25 psig (172.4 kPag): 25.9 30 psig (206.9 kPag): 29.4 40 psig (275.8 kPag): 36.3 50 psig (344.8 kPag): 43.3 60 psig (413.7 kPag): 50.3 70 psig (482.7 kPag): 57.4 80 psig (551.6 kPag): 64.5 90 psig (620.6 kPag): 71.5 100 psig (689.5 kPag): 78.6 |
Air Flow at Vacuum - Standard Liters Per Minute (SLPM) |
N/A 5 In. Hg. (127 Mm. Hg.): 7.29 10 In. Hg. (254 Mm. Hg.): 9.08 |
Air Flow at Vacuum, Choked Flow - Standard Liters Per Minute (SCFH) |
N/A 15 In. Hg. (381 Mm. Hg.): 9.46 20 In. Hg. (508 Mm. Hg.): 9.46 30 In. Hg. (762 Mm. Hg.): 9.46 |
Water Flow - Gallons/minute (GPM) |
N/A 1 psig: 0.039 2 psig: 0.055 3 psig: 0.068 4 psig: 0.078 5 psig: 0.087 6 psig: 0.096 7 psig: 0.103 8 psig: 0.110 9 psig: 0.117 10 psig: 0.123 15 psig: 0.151 20 psig: 0.174 30 psig: 0.214 40 psig: 0.247 50 psig: 0.276 60 psig: 0.302 70 psig: 0.326 80 psig: 0.349 90 psig: 0.370 100 psig: 0.390 |
Water Flow - Liters/minute (LPM) |
N/A 1 psig (6.9 kPag): 0.148 2 psig (13.8 kPag): 0.209 3 psig (20.7 kPag): 0.256 4 psig (27.6 kPag): 0.295 5 psig (34.5 kPag): 0.330 6 psig (41.4 kPag): 0.362 7 psig (48.3 kPag): 0.391 8 psig (55.2 kPag): 0.418 9 psig (62.1 kPag): 0.443 10 psig (69 kPag): 0.467 15 psig (103.4 kPag): 0.572 20 psig (137.9 kPag): 0.660 30 psig (206.9 kPag): 0.809 40 psig (275.8 kPag): 0.934 50 psig (344.8 kPag): 1.044 60 psig (413.7 kPag): 1.144 70 psig (482.7 kPag): 1.235 80 psig (551.6 kPag): 1.320 90 psig (620.6 kPag): 1.401 100 psig (689.5 kPag): 1.476 |
Flow Data Status |
N/A Generic |
