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
Print Back
    One-piece construction of solid metal is employed. Orifices are accurately machined, thoroughly cleaned, and flow tested to exacting standards. Sizes range from .004" to .125" orifice diameter. Special sizes can be made to order. Type DEL is a two-piece construction.
Unit of Measure

Specifications

Material

 N/A Brass

Nominal Orifice Size

 N/A 55

CV

 N/A 0.068

Maximum Operating Pressure

 N/A 2000 psig

Inlet Type

 N/A NPT Thread

Connection A

 N/A 1/8" NPT Male

Screened

 N/A None

Dimensions

Orifice Diameter

 N/A 0.055 in

Width Across Flats (Hex)

 N/A 7/16 in

Total Length

 N/A 0.675 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Flow Data

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

 N/A 1 psig: 23.7 5 psig: 50.6 10 psig: 68.2 15 psig: 82.6 20 psig: 97.3 25 psig: 112 30 psig: 126 40 psig: 156 50 psig: 185 60 psig: 214 70 psig: 244 80 psig: 273 90 psig: 303 100 psig: 331

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

 N/A 5 In. Hg.: 31.4 10 In. Hg.: 38.6

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

 N/A 15 In. Hg.: 39.4 20 In. Hg.: 39.4 30 In. Hg.: 39.4

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

 N/A 1 psig (6.9 kPag): 11.2 5 psig (34.5 kPag): 23.9 10 psig (69.0 kPag): 32.2 15 psig (103.4 kPag): 39 20 psig (137.9 kPag): 45.9 25 psig (172.4 kPag): 52.8 30 psig (206.9 kPag): 59.7 40 psig (275.8 kPag): 73.6 50 psig (344.8 kPag): 87.4 60 psig (413.7 kPag): 101 70 psig (482.7 kPag): 115 80 psig (551.6 kPag): 129 90 psig (620.6 kPag): 143 100 psig (689.5 kPag): 156

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

 N/A 5 In. Hg. (127 Mm. Hg.): 14.8 10 In. Hg. (254 Mm. Hg.): 18.2

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

 N/A 15 In. Hg. (381 Mm. Hg.): 18.6 20 In. Hg. (508 Mm. Hg.): 18.6 30 In. Hg. (762 Mm. Hg.): 18.6

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.081 2 psig: 0.115 3 psig: 0.140 4 psig: 0.162 5 psig: 0.181 6 psig: 0.198 7 psig: 0.214 8 psig: 0.229 9 psig: 0.243 10 psig: 0.256 15 psig: 0.314 20 psig: 0.362 30 psig: 0.444 40 psig: 0.512 50 psig: 0.573 60 psig: 0.627 70 psig: 0.678 80 psig: 0.724 90 psig: 0.768 100 psig: 0.810

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.307 2 psig (13.8 kPag): 0.434 3 psig (20.7 kPag): 0.531 4 psig (27.6 kPag): 0.613 5 psig (34.5 kPag): 0.686 6 psig (41.4 kPag): 0.751 7 psig (48.3 kPag): 0.811 8 psig (55.2 kPag): 0.867 9 psig (62.1 kPag): 0.920 10 psig (69 kPag): 0.970 15 psig (103.4 kPag): 1.188 20 psig (137.9 kPag): 1.371 30 psig (206.9 kPag): 1.679 40 psig (275.8 kPag): 1.939 50 psig (344.8 kPag): 2.168 60 psig (413.7 kPag): 2.375 70 psig (482.7 kPag): 2.565 80 psig (551.6 kPag): 2.742 90 psig (620.6 kPag): 2.909 100 psig (689.5 kPag): 3.066

Flow Data Status

 N/A Generic