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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 27 |
Connection A |
N/A 1/4"-20 UNC Threaded Insert |
Screened |
N/A None |
Orifice Diameter |
N/A 0.027 in |
Thread Size |
N/A 1/4-20 |
Width Across Flats (Hex) |
N/A 1/8 in |
Total Length |
N/A 0.38 in |
Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH) |
N/A 1 psig: 4.13 5 psig: 9.41 10 psig: 13.6 15 psig: 16.8 20 psig: 19.7 25 psig: 22.7 30 psig: 25.4 40 psig: 31.1 50 psig: 36.7 60 psig: 42.4 70 psig: 48.1 80 psig: 53.6 90 psig: 59.3 100 psig: 65.3 |
Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH) |
N/A 5 In. Hg.: 6 10 In. Hg.: 7.59 |
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 5 psig (34.5 kPag): 4.44 10 psig (69.0 kPag): 6.43 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 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): 28.0 100 psig (689.5 kPag): 30.8 |
Air Flow at Vacuum - Standard Liters Per Minute (SLPM) |
N/A 5 In. Hg. (127 Mm. Hg.): 2.83 10 In. Hg. (254 Mm. Hg.): 3.58 |
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 |
