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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 37 |
Connection A |
N/A 1/4"-20 UNC Threaded Insert |
Screened |
N/A None |
Orifice Diameter |
N/A 0.037 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: 8.12 5 psig: 18.0 10 psig: 25.0 15 psig: 30.7 20 psig: 36.0 25 psig: 41.5 30 psig: 47.0 40 psig: 58.1 50 psig: 69.1 60 psig: 80.5 70 psig: 91.7 80 psig: 103 90 psig: 115 100 psig: 126 |
Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH) |
N/A 5 In. Hg.: 11.4 10 In. Hg.: 14.4 |
Air Flow at Vacuum, Choked Flow - Standard Cu. Ft. Per Hour (SCFH) |
N/A 15 In. Hg.: 15.2 20 In. Hg.: 15.2 30 In. Hg.: 15.2 |
Air Flow at Pressure - Standard Liters Per Minute (SLPM) |
N/A 1 psig (6.9 kPag): 3.83 5 psig (34.5 kPag): 8.48 10 psig (69.0 kPag): 11.8 15 psig (103.4 kPag): 14.5 20 psig (137.9 kPag): 17 25 psig (172.4 kPag): 19.6 30 psig (206.9 kPag): 22.2 40 psig (275.8 kPag): 27.4 50 psig (344.8 kPag): 32.6 60 psig (413.7 kPag): 38 70 psig (482.7 kPag): 43.3 80 psig (551.6 kPag): 48.7 90 psig (620.6 kPag): 54.2 100 psig (689.5 kPag): 59.6 |
Air Flow at Vacuum - Standard Liters Per Minute (SLPM) |
N/A 5 In. Hg. (127 Mm. Hg.): 5.4 10 In. Hg. (254 Mm. Hg.): 6.78 |
Air Flow at Vacuum, Choked Flow - Standard Liters Per Minute (SCFH) |
N/A 15 In. Hg. (381 Mm. Hg.): 7.17 20 In. Hg. (508 Mm. Hg.): 7.17 30 In. Hg. (762 Mm. Hg.): 7.17 |
Water Flow - Gallons/minute (GPM) |
N/A 1 psig: 0.031 2 psig: 0.044 3 psig: 0.054 4 psig: 0.062 5 psig: 0.069 6 psig: 0.076 7 psig: 0.082 8 psig: 0.088 9 psig: 0.093 10 psig: 0.098 15 psig: 0.120 20 psig: 0.139 30 psig: 0.170 40 psig: 0.196 50 psig: 0.219 60 psig: 0.240 70 psig: 0.259 80 psig: 0.277 90 psig: 0.294 100 psig: 0.310 |
Water Flow - Liters/minute (LPM) |
N/A 1 psig (6.9 kPag): 0.117 2 psig (13.8 kPag): 0.166 3 psig (20.7 kPag): 0.203 4 psig (27.6 kPag): 0.235 5 psig (34.5 kPag): 0.262 6 psig (41.4 kPag): 0.287 7 psig (48.3 kPag): 0.310 8 psig (55.2 kPag): 0.332 9 psig (62.1 kPag): 0.352 10 psig (69 kPag): 0.371 15 psig (103.4 kPag): 0.454 20 psig (137.9 kPag): 0.525 30 psig (206.9 kPag): 0.643 40 psig (275.8 kPag): 0.742 50 psig (344.8 kPag): 0.83 60 psig (413.7 kPag): 0.909 70 psig (482.7 kPag): 0.982 80 psig (551.6 kPag): 1.050 90 psig (620.6 kPag): 1.113 100 psig (689.5 kPag): 1.173 |
Flow Data Status |
N/A Generic |
