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Precision orifice assemblies that adapt to common
fittings used in the process industry. Press-fit inserts
are used with standard compression tube fittings
to form a precision orifice assembly. The
fittings shown here are for 1/4" OD tubing, or
3/16" OD tubing.
Material |
N/A 316 SS |
Nominal Orifice Size |
N/A 21 |
CV |
N/A 0.0096 |
Maximum Operating Pressure |
N/A 4000 psig |
Maximum Pressure Differential |
N/A 200 psid |
Connection A |
N/A 3/16" OD Tube Compression |
Connection B |
N/A 3/16" OD Tube Compression |
Screened |
N/A None |
Orifice Diameter |
N/A 0.021 in |
Orifice Diameter Accuracy |
N/A ±0.0005 in |
Width Across Flats (Hex) |
N/A 1/2 in |
Total Length |
N/A 1.47 in |
Width Across Flats (Hex) 2 |
N/A 7/16 in |
N/A
|
N/A
|
Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH) |
N/A 1 psig: 2.39 5 psig: 5.62 10 psig: 7.48 15 psig: 9.34 20 psig: 11.1 25 psig: 12.7 30 psig: 14.4 40 psig: 17.8 50 psig: 21.2 60 psig: 24.6 70 psig: 28.0 80 psig: 31.6 90 psig: 35.0 100 psig: 38.1 |
Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH) |
N/A 5 In. Hg.: 3.6 10 In. Hg.: 4.62 |
Air Flow at Vacuum, Choked Flow - Standard Cu. Ft. Per Hour (SCFH) |
N/A 15 In. Hg.: 4.92 20 In. Hg.: 4.92 30 In. Hg.: 4.92 |
Air Flow at Pressure - Standard Liters Per Minute (SLPM) |
N/A 1 psig (6.9 kPag): 1.13 5 psig (34.5 kPag): 2.65 10 psig (69.0 kPag): 3.53 15 psig (103.4 kPag): 4.41 20 psig (137.9 kPag): 5.22 25 psig (172.4 kPag): 6.01 30 psig (206.9 kPag): 6.81 40 psig (275.8 kPag): 8.42 50 psig (344.8 kPag): 10.0 60 psig (413.7 kPag): 11.6 70 psig (482.7 kPag): 13.2 80 psig (551.6 kPag): 14.9 90 psig (620.6 kPag): 16.5 100 psig (689.5 kPag): 18.0 |
Air Flow at Vacuum - Standard Liters Per Minute (SLPM) |
N/A 5 In. Hg. (127 Mm. Hg.): 1.70 10 In. Hg. (254 Mm. Hg.): 2.18 |
Air Flow at Vacuum, Choked Flow - Standard Liters Per Minute (SCFH) |
N/A 15 In. Hg. (381 Mm. Hg.): 2.32 20 In. Hg. (508 Mm. Hg.): 2.32 30 In. Hg. (762 Mm. Hg.): 2.32 |
Water Flow - Gallons/minute (GPM) |
N/A 1 psig: 0.010 2 psig: 0.014 3 psig: 0.017 4 psig: 0.019 5 psig: 0.021 6 psig: 0.024 7 psig: 0.025 8 psig: 0.027 9 psig: 0.029 10 psig: 0.030 15 psig: 0.037 20 psig: 0.043 30 psig: 0.053 40 psig: 0.061 50 psig: 0.068 60 psig: 0.074 70 psig: 0.080 80 psig: 0.086 90 psig: 0.091 100 psig: 0.096 |
Water Flow - Liters/minute (LPM) |
N/A 1 psig (6.9 kPag): 0.036 2 psig (13.8 kPag): 0.051 3 psig (20.7 kPag): 0.063 4 psig (27.6 kPag): 0.073 5 psig (34.5 kPag): 0.081 6 psig (41.4 kPag): 0.081 7 psig (48.3 kPag): 0.096 8 psig (55.2 kPag): 0.103 9 psig (62.1 kPag): 0.109 10 psig (69 kPag): 0.115 15 psig (103.4 kPag): 0.141 20 psig (137.9 kPag): 0.163 30 psig (206.9 kPag): 0.199 40 psig (275.8 kPag): 0.230 50 psig (344.8 kPag): 0.257 60 psig (413.7 kPag): 0.281 70 psig (482.7 kPag): 0.304 80 psig (551.6 kPag): 0.325 90 psig (620.6 kPag): 0.345 100 psig (689.5 kPag): 0.363 |
Flow Data Status |
N/A Generic |