O’Keefe Controls Co.
O’Keefe Controls Co.
4 Maple Drive
Monroe, CT 06468
Phone: 203.261.6711
Email: info@okeefecontrols.com • Website: www.okeefecontrols.com
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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

Specifications

Material

 N/A Brass

Nominal Orifice Size

 N/A 52

Connection A

 N/A 5/16"-18 UNC Threaded Insert

Screened

 N/A None

Dimensions

Orifice Diameter

 N/A 0.052 in

Thread Size

 N/A 5/16-18

Width Across Flats (Hex)

 N/A 5/32 in

Total Length

 N/A 0.50 in

Flow Data

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

 N/A 1 psig: 17.00 5 psig: 37.3 10 psig: 51.9 15 psig: 62.9 20 psig: 74.2 25 psig: 85.4 30 psig: 96.6 40 psig: 119 50 psig: 142 60 psig: 165 70 psig: 187 80 psig: 210 90 psig: 231 100 psig: 254

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

 N/A 5 In. Hg.: 23.9 10 In. Hg.: 29.4

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

 N/A 15 In. Hg.: 30.5 20 In. Hg.: 30.5 30 In. Hg.: 30.5

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

 N/A 1 psig (6.9 kPag): 8.04 5 psig (34.5 kPag): 17.6 10 psig (69.0 kPag): 24.5 15 psig (103.4 kPag): 29.7 20 psig (137.9 kPag): 35 25 psig (172.4 kPag): 40.3 30 psig (206.9 kPag): 45.6 40 psig (275.8 kPag): 56.3 50 psig (344.8 kPag): 66.9 60 psig (413.7 kPag): 77.7 70 psig (482.7 kPag): 88.4 80 psig (551.6 kPag): 99.1 90 psig (620.6 kPag): 109 100 psig (689.5 kPag): 120

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

 N/A 5 In. Hg. (127 Mm. Hg.): 11.3 10 In. Hg. (254 Mm. Hg.): 13.9

Air Flow at Vacuum, Choked Flow - Standard Liters Per Minute (SCFH)

 N/A 15 In. Hg. (381 Mm. Hg.): 14.4 20 In. Hg. (508 Mm. Hg.): 14.4 30 In. Hg. (762 Mm. Hg.): 14.4

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.059 2 psig: 0.083 3 psig: 0.102 4 psig: 0.118 5 psig: 0.132 6 psig: 0.145 7 psig: 0.156 8 psig: 0.167 9 psig: 0.177 10 psig: 0.187 15 psig: 0.229 20 psig: 0.264 30 psig: 0.323 40 psig: 0.373 50 psig: 0.417 60 psig: 0.457 70 psig: 0.494 80 psig: 0.528 90 psig: 0.560 100 psig: 0.590

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.223 2 psig (13.8 kPag): 0.316 3 psig (20.7 kPag): 0.387 4 psig (27.6 kPag): 0.447 5 psig (34.5 kPag): 0.499 6 psig (41.4 kPag): 0.547 7 psig (48.3 kPag): 0.591 8 psig (55.2 kPag): 0.632 9 psig (62.1 kPag): 0.67 10 psig (69 kPag): 0.706 15 psig (103.4 kPag): 0.865 20 psig (137.9 kPag): 0.999 30 psig (206.9 kPag): 1.223 40 psig (275.8 kPag): 1.413 50 psig (344.8 kPag): 1.579 60 psig (413.7 kPag): 1.730 70 psig (482.7 kPag): 1.869 80 psig (551.6 kPag): 1.998 90 psig (620.6 kPag): 2.119 100 psig (689.5 kPag): 2.233

Flow Data Status

 N/A Generic