Parametric Search
    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 28

CV

N/A 0.018

Maximum Temperature

N/A 300 ºF

Maximum Operating Pressure

N/A 200 psig

Maximum Opening Diameter

N/A 0.047 in

Connection A

N/A 6-32 UNC Threaded Insert O-ring seal

Screened

N/A None

Orifice Diameter

N/A 0.028 in

Thread Size

N/A 6/32

Width Across Flats (Hex)

N/A 1/16 in

Total Length

N/A 0.310 in

Orifice Diameter Accuracy

N/A ±0.0005 in

Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH)

N/A 1 psig: 4.68 10 psig: 15.2 100 psig: 71.4 15 psig: 18.6 20 psig: 21.8 25 psig: 24.8 30 psig: 28.0 40 psig: 34.1 5 psig: 10.5 50 psig: 40.3 60 psig: 46.4 70 psig: 52.5 80 psig: 58.7 90 psig: 65.0

Air Flow at Vacuum - Standard Cu. Ft. Per Hour (SCFH)

N/A 10 In. Hg.: 8.48 5 In. Hg.: 6.7

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 10 psig (69.0 kPag): 7.18 100 psig (689.5 kPag): 33.7 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 5 psig (34.5 kPag): 4.94 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

Air Flow at Vacuum - Standard Liters Per Minute (SLPM)

N/A 10 In. Hg. (254 Mm. Hg.): 4.00 5 In. Hg. (127 Mm. Hg.): 3.16

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