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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    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

Specifications

Seal Material

 N/A Fluorocarbon

Material

 N/A 303 SS

Nominal Orifice Size

 N/A 33

CV

 N/A 0.025

Maximum Temperature

 N/A 166 ºC

Maximum Operating Pressure

 N/A 14 bar

Maximum Opening Diameter

 N/A 2.41 mm

Maximum Operating Pressure

 N/A 1400 kPa

Connection A

 N/A M6 Threaded Insert O-Ring seal

Screened

 N/A None

Dimensions

Orifice Diameter

 N/A 0.84 mm

Thread Size

 N/A M6x1

Width Across Flats (Hex)

 N/A 3 mm

Total Length

 N/A 12.7 mm

Orifice Diameter Accuracy

 N/A 0.013 mm

Flow Data

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

 N/A 1 psig: 6.42 5 psig: 14.4 10 psig: 21.1 15 psig: 26.1 20 psig: 30.3 25 psig: 34.5 30 psig: 39.0 40 psig: 47.7 50 psig: 56.4 60 psig: 65.0 70 psig: 73.9 80 psig: 82.6 90 psig: 91.5 100 psig: 101

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

 N/A 5 In. Hg.: 9.15 10 In. Hg.: 11.5

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

 N/A 15 In. Hg.: 12.1 20 In. Hg.: 12.1 30 In. Hg.: 12.1

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

 N/A 1 psig (6.9 kPag): 3.03 5 psig (34.5 kPag): 6.80 10 psig (69.0 kPag): 9.98 15 psig (103.4 kPag): 12.3 20 psig (137.9 kPag): 14.3 25 psig (172.4 kPag): 16.3 30 psig (206.9 kPag): 18.4 40 psig (275.8 kPag): 22.5 50 psig (344.8 kPag): 26.6 60 psig (413.7 kPag): 30.7 70 psig (482.7 kPag): 34.9 80 psig (551.6 kPag): 39.0 90 psig (620.6 kPag): 43.2 100 psig (689.5 kPag): 47.5

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

 N/A 5 In. Hg. (127 Mm. Hg.): 4.32 10 In. Hg. (254 Mm. Hg.): 5.43

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

 N/A 15 In. Hg. (381 Mm. Hg.): 5.72 20 In. Hg. (508 Mm. Hg.): 5.72 30 In. Hg. (762 Mm. Hg.): 5.72

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.025 2 psig: 0.035 3 psig: 0.043 4 psig: 0.050 5 psig: 0.056 6 psig: 0.061 7 psig: 0.066 8 psig: 0.071 9 psig: 0.075 10 psig: 0.079 15 psig: 0.097 20 psig: 0.112 30 psig: 0.137 40 psig: 0.158 50 psig: 0.177 60 psig: 0.194 70 psig: 0.209 80 psig: 0.224 90 psig: 0.237 100 psig: 0.250

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.095 2 psig (13.8 kPag): 0.134 3 psig (20.7 kPag): 0.164 4 psig (27.6 kPag): 0.189 5 psig (34.5 kPag): 0.212 6 psig (41.4 kPag): 0.212 7 psig (48.3 kPag): 0.250 8 psig (55.2 kPag): 0.268 9 psig (62.1 kPag): 0.284 10 psig (69 kPag): 0.299 15 psig (103.4 kPag): 0.367 20 psig (137.9 kPag): 0.423 30 psig (206.9 kPag): 0.518 40 psig (275.8 kPag): 0.599 50 psig (344.8 kPag): 0.669 60 psig (413.7 kPag): 0.733 70 psig (482.7 kPag): 0.792 80 psig (551.6 kPag): 0.846 90 psig (620.6 kPag): 0.898 100 psig (689.5 kPag): 0.946

Flow Data Status

 N/A Generic