- Precision orifice assemblies that adapt to common fittings used in process instruments and hydraulic systems are shown. Types K4, R4 and RG4 are used with nominal 1/4" tube fittings. Type BFS is for 45° flare fittings and Type CFJ is for 37° flare fittings. Type OD is a pipe adapter.
Unit of Measure
Orifice Diameter |
N/A 0.028 in |
Outside Diameter |
N/A 0.47 in |
Width |
N/A 0.030 in |
Material |
N/A 316 SS |
Nominal Orifice Size |
N/A 28 |
CV |
N/A 0.018 |
Finish |
N/A Silver Plated |
Maximum Operating Pressure |
N/A 100 psig |
Connection A |
N/A 1/4" Face Seal |
|
N/A
|
|
N/A
|
Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH) |
N/A 1 psig: 4.68 5 psig: 10.5 10 psig: 15.2 15 psig: 18.6 20 psig: 21.8 25 psig: 24.8 30 psig: 28.0 40 psig: 34.1 50 psig: 40.3 60 psig: 46.4 70 psig: 52.5 80 psig: 58.7 90 psig: 65.0 100 psig: 71.4 |
Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH) |
N/A 5 In. Hg.: 6.7 10 In. Hg.: 8.48 |
Air Flow at Vacuum, Choked Flow - Standard Cu. Ft. Per Hour (SCFH) |
N/A 15 In. Hg.: 8.90 20 In. Hg.: 8.9 30 In. Hg.: 8.90 |
Air Flow at Pressure - Standard Liters Per Minute (SLPM) |
N/A 1 psig (6.9 kPag): 2.21 5 psig (34.5 kPag): 4.94 10 psig (69.0 kPag): 7.18 15 psig (103.4 kPag): 8.78 20 psig (137.9 kPag): 10.3 25 psig (172.4 kPag): 11.7 30 psig (206.9 kPag): 13.2 40 psig (275.8 kPag): 16.1 50 psig (344.8 kPag): 19.0 60 psig (413.7 kPag): 21.9 70 psig (482.7 kPag): 24.8 80 psig (551.6 kPag): 27.7 90 psig (620.6 kPag): 30.7 100 psig (689.5 kPag): 33.7 |
Air Flow at Vacuum - Standard Liters Per Minute (SLPM) |
N/A 5 In. Hg. (127 Mm. Hg.): 3.16 10 In. Hg. (254 Mm. Hg.): 4.00 |
Air Flow at Vacuum, Choked Flow - Standard Liters Per Minute (SCFH) |
N/A 15 In. Hg. (381 Mm. Hg.): 4.20 20 In. Hg. (508 Mm. Hg.): 4.20 30 In. Hg. (762 Mm. Hg.): 4.20 |
Water Flow - Gallons/minute (GPM) |
N/A 1 psig: 0.018 2 psig: 0.025 3 psig: 0.031 4 psig: 0.036 5 psig: 0.040 6 psig: 0.044 7 psig: 0.048 8 psig: 0.051 9 psig: 0.054 10 psig: 0.057 15 psig: 0.070 20 psig: 0.080 30 psig: 0.099 40 psig: 0.114 50 psig: 0.127 60 psig: 0.139 70 psig: 0.151 80 psig: 0.161 90 psig: 0.171 100 psig: 0.180 |
Water Flow - Liters/minute (LPM) |
N/A 1 psig (6.9 kPag): 0.068 2 psig (13.8 kPag): 0.096 3 psig (20.7 kPag): 0.118 4 psig (27.6 kPag): 0.136 5 psig (34.5 kPag): 0.152 6 psig (41.4 kPag): 0.152 7 psig (48.3 kPag): 0.180 8 psig (55.2 kPag): 0.193 9 psig (62.1 kPag): 0.204 10 psig (69 kPag): 0.215 15 psig (103.4 kPag): 0.264 20 psig (137.9 kPag): 0.305 30 psig (206.9 kPag): 0.373 40 psig (275.8 kPag): 0.431 50 psig (344.8 kPag): 0.482 60 psig (413.7 kPag): 0.528 70 psig (482.7 kPag): 0.570 80 psig (551.6 kPag): 0.609 90 psig (620.6 kPag): 0.646 100 psig (689.5 kPag): 0.681 |
Flow Data Status |
N/A Generic |
