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    Precision orifice assemblies that adapt to common fittings used in process instruments and hydraulic systems are shown.
Unit of Measure

Material

 N/A Brass

Nominal Orifice Size

 N/A 23

CV

 N/A 0.012

Maximum Operating Pressure

 N/A 2000 psig

Taper

 N/A 45 º

Connection A

 N/A 1/8" NPT Male

Connection B

 N/A SAE 45 DEG #4 7/16"-20 Male

Screened

 N/A Screened

Orifice Diameter

 N/A 0.023 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Width Across Flats (Hex)

 N/A 7/16 in

Total Length

 N/A 1.04 in

N/A

    The integral screen/orifice assembly provides a compact arrangement. All types on this page The screen is located upstream of the orifice and protects against particles carried by the pressurized fluid. For protection against contamination in reverse flow situations add an external screen downstream of the orifice.

N/A

  • High Pressure Capability
  • Bi-directional Flow
  • Economical Precision Orifice
  • Repeatable Orifice Size and Shape
  • Predictable Flow Rate

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

 N/A 1 psig: 2.99 5 psig: 6.87 10 psig: 10.1 15 psig: 12.6 20 psig: 14.7 25 psig: 16.8 30 psig: 19.0 40 psig: 23.3 50 psig: 27.5 60 psig: 31.8 70 psig: 36.0 80 psig: 40.3 90 psig: 44.5 100 psig: 48.7

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

 N/A 5 In. Hg.: 4.45 10 In. Hg.: 5.68

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

 N/A 15 In. Hg.: 6.04 20 In. Hg.: 6.04 30 In. Hg.: 6.04

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

 N/A 1 psig (6.9 kPag): 1.41 5 psig (34.5 kPag): 3.24 10 psig (69.0 kPag): 4.75 15 psig (103.4 kPag): 5.93 20 psig (137.9 kPag): 6.95 25 psig (172.4 kPag): 7.95 30 psig (206.9 kPag): 8.98 40 psig (275.8 kPag): 11.0 50 psig (344.8 kPag): 13.0 60 psig (413.7 kPag): 15.0 70 psig (482.7 kPag): 17.0 80 psig (551.6 kPag): 19.0 90 psig (620.6 kPag): 21.0 100 psig (689.5 kPag): 23.0

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

 N/A 5 In. Hg. (127 Mm. Hg.): 2.10 10 In. Hg. (254 Mm. Hg.): 2.68

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

 N/A 15 In. Hg. (381 Mm. Hg.): 2.85 20 In. Hg. (508 Mm. Hg.): 2.85 30 In. Hg. (762 Mm. Hg.): 2.85

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.012 2 psig: 0.017 3 psig: 0.021 4 psig: 0.024 5 psig: 0.027 6 psig: 0.029 7 psig: 0.032 8 psig: 0.034 9 psig: 0.036 10 psig: 0.038 15 psig: 0.046 20 psig: 0.054 30 psig: 0.066 40 psig: 0.076 50 psig: 0.085 60 psig: 0.093 70 psig: 0.100 80 psig: 0.107 90 psig: 0.114 100 psig: 0.120

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.045 2 psig (13.8 kPag): 0.064 3 psig (20.7 kPag): 0.079 4 psig (27.6 kPag): 0.091 5 psig (34.5 kPag): 0.102 6 psig (41.4 kPag): 0.102 7 psig (48.3 kPag): 0.120 8 psig (55.2 kPag): 0.128 9 psig (62.1 kPag): 0.136 10 psig (69 kPag): 0.144 15 psig (103.4 kPag): 0.176 20 psig (137.9 kPag): 0.203 30 psig (206.9 kPag): 0.249 40 psig (275.8 kPag): 0.287 50 psig (344.8 kPag): 0.321 60 psig (413.7 kPag): 0.352 70 psig (482.7 kPag): 0.380 80 psig (551.6 kPag): 0.406 90 psig (620.6 kPag): 0.431 100 psig (689.5 kPag): 0.454

Flow Data Status

 N/A Generic