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 .10 mm to 1.60 mm.
Unit of Measure

Specifications

Material

 N/A 316 SS

Nominal Orifice Size

 N/A 17

CV

 N/A 0.0067

Connection A

 N/A M3 Threaded Insert

Screened

 N/A None

Dimensions

Orifice Diameter

 N/A 0.43 mm

Thread Size

 N/A M3x0.5

Width Across Flats (Hex)

 N/A 1.5 mm

Total Length

 N/A 4 mm

Flow Data

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

 N/A 1 psig: 1.64 5 psig: 3.73 10 psig: 4.79 15 psig: 6.04 20 psig: 7.20 25 psig: 8.31 30 psig: 9.39 40 psig: 11.6 50 psig: 13.8 60 psig: 16.0 70 psig: 18.2 80 psig: 20.5 90 psig: 22.7 100 psig: 25.0

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

 N/A 5 In. Hg.: 2.41 10 In. Hg.: 2.99

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

 N/A 15 In. Hg.: 3.28 20 In. Hg.: 3.28 30 In. Hg.: 3.28

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

 N/A 1 psig (6.9 kPag): 0.77 5 psig (34.5 kPag): 1.76 10 psig (69.0 kPag): 2.26 15 psig (103.4 kPag): 2.85 20 psig (137.9 kPag): 3.40 25 psig (172.4 kPag): 3.92 30 psig (206.9 kPag): 4.43 40 psig (275.8 kPag): 5.47 50 psig (344.8 kPag): 6.51 60 psig (413.7 kPag): 7.56 70 psig (482.7 kPag): 8.61 80 psig (551.6 kPag): 9.67 90 psig (620.6 kPag): 10.7 100 psig (689.5 kPag): 11.8

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

 N/A 5 In. Hg. (127 Mm. Hg.): 1.14 10 In. Hg. (254 Mm. Hg.): 1.41

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

 N/A 15 In. Hg. (381 Mm. Hg.): 1.55 20 In. Hg. (508 Mm. Hg.): 1.55 30 In. Hg. (762 Mm. Hg.): 1.55

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.0067 2 psig: 0.0095 3 psig: 0.0116 4 psig: 0.0134 5 psig: 0.0150 6 psig: 0.0164 7 psig: 0.0177 8 psig: 0.0190 9 psig: 0.0201 10 psig: 0.0212 15 psig: 0.0259 20 psig: 0.0300 30 psig: 0.0367 40 psig: 0.0424 50 psig: 0.0474 60 psig: 0.0519 70 psig: 0.0561 80 psig: 0.0599 90 psig: 0.0636 100 psig: 0.0670

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.0254 2 psig (13.8 kPag): 0.0359 3 psig (20.7 kPag): 0.0439 4 psig (27.6 kPag): 0.0507 5 psig (34.5 kPag): 0.0567 6 psig (41.4 kPag): 0.0567 7 psig (48.3 kPag): 0.0671 8 psig (55.2 kPag): 0.0717 9 psig (62.1 kPag): 0.0761 10 psig (69 kPag): 0.0802 15 psig (103.4 kPag): 0.0982 20 psig (137.9 kPag): 0.1134 30 psig (206.9 kPag): 0.1389 40 psig (275.8 kPag): 0.1604 50 psig (344.8 kPag): 0.1793 60 psig (413.7 kPag): 0.1965 70 psig (482.7 kPag): 0.2122 80 psig (551.6 kPag): 0.2268 90 psig (620.6 kPag): 0.2406 100 psig (689.5 kPag): 0.2536

Flow Data Status

 N/A Generic