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    Precision orifice assemblies that adapt to common fittings used in process instruments and hydraulic systems are shown. Types K4, R4 and RG4 are used with nominal 1/4" tube fittings. Type BFS is for 45° flare fittings and Type CFJ is for 37° flare fittings. Type OD is a pipe adapter.
Unit of Measure

Orifice Diameter

 N/A 0.06 in

Outside Diameter

 N/A 0.50 in

Width

 N/A 0.030 in

Material

 N/A 316 SS

Nominal Orifice Size

 N/A 60

CV

 N/A 0.081

Finish

 N/A Silver Plated

Maximum Operating Pressure

 N/A 100 psig

Connection A

 N/A 1/4" Face Seal

N/A

  • Types R4 and RG4 are suitable for use with face seal fittings.

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: 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