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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 81 |
CV |
N/A 0.150 |
Maximum Temperature |
N/A 300 ºF |
Maximum Operating Pressure |
N/A 200 psig |
Maximum Opening Diameter |
N/A 0.093 in |
Connection A |
N/A 1/4"-20 UNC Threaded Insert O-ring seal |
Screened |
N/A None |
Orifice Diameter |
N/A 0.0810 in |
Thread Size |
N/A 1/4-20 |
Width Across Flats (Hex) |
N/A 1/8 in |
Total Length |
N/A 0.50 in |
Orifice Diameter Accuracy |
N/A ±0.0005 in |
Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH) |
N/A 1 psig: 46.0 5 psig: 97.5 10 psig: 131 15 psig: 158 20 psig: 185 25 psig: 212 30 psig: 239 40 psig: 295 50 psig: 347 60 psig: 400 70 psig: 458 80 psig: 513 90 psig: 568 100 psig: 627 |
Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH) |
N/A 5 In. Hg.: 64 10 In. Hg.: 79.9 |
Air Flow at Vacuum, Choked Flow - Standard Cu. Ft. Per Hour (SCFH) |
N/A 15 In. Hg.: 83.5 20 In. Hg.: 83.5 30 In. Hg.: 83.5 |
Air Flow at Pressure - Standard Liters Per Minute (SLPM) |
N/A 1 psig (6.9 kPag): 21.7 5 psig (34.5 kPag): 46 10 psig (69.0 kPag): 61.6 15 psig (103.4 kPag): 74.5 20 psig (137.9 kPag): 87.3 25 psig (172.4 kPag): 100 30 psig (206.9 kPag): 113 40 psig (275.8 kPag): 139 50 psig (344.8 kPag): 164 60 psig (413.7 kPag): 189 70 psig (482.7 kPag): 216 80 psig (551.6 kPag): 242 90 psig (620.6 kPag): 268 100 psig (689.5 kPag): 296 |
Air Flow at Vacuum - Standard Liters Per Minute (SLPM) |
N/A 5 In. Hg. (127 Mm. Hg.): 30.2 10 In. Hg. (254 Mm. Hg.): 37.7 |
Air Flow at Vacuum, Choked Flow - Standard Liters Per Minute (SCFH) |
N/A 15 In. Hg. (381 Mm. Hg.): 39.4 20 In. Hg. (508 Mm. Hg.): 39.4 30 In. Hg. (762 Mm. Hg.): 39.4 |
Water Flow - Gallons/minute (GPM) |
N/A 1 psig: 0.150 2 psig: 0.212 3 psig: 0.260 4 psig: 0.300 5 psig: 0.335 6 psig: 0.367 7 psig: 0.397 8 psig: 0.424 9 psig: 0.450 10 psig: 0.474 15 psig: 0.581 20 psig: 0.671 30 psig: 0.822 40 psig: 0.949 50 psig: 1.061 60 psig: 1.162 70 psig: 1.255 80 psig: 1.342 90 psig: 1.423 100 psig: 1.500 |
Water Flow - Liters/minute (LPM) |
N/A 1 psig (6.9 kPag): 0.568 2 psig (13.8 kPag): 0.803 3 psig (20.7 kPag): 0.983 4 psig (27.6 kPag): 1.136 5 psig (34.5 kPag): 1.27 6 psig (41.4 kPag): 1.391 7 psig (48.3 kPag): 1.502 8 psig (55.2 kPag): 1.606 9 psig (62.1 kPag): 1.703 10 psig (69 kPag): 1.796 15 psig (103.4 kPag): 2.199 20 psig (137.9 kPag): 2.539 30 psig (206.9 kPag): 3.110 40 psig (275.8 kPag): 3.591 50 psig (344.8 kPag): 4.015 60 psig (413.7 kPag): 4.398 70 psig (482.7 kPag): 4.751 80 psig (551.6 kPag): 5.079 90 psig (620.6 kPag): 5.387 100 psig (689.5 kPag): 5.678 |
Flow Data Status |
N/A Generic |
