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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 0.0960 in

Outside Diameter

 N/A 0.47 in

Width

 N/A 0.030 in

Material

 N/A 316 SS

Nominal Orifice Size

 N/A 96

CV

 N/A 0.210

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: 63.7 5 psig: 138 10 psig: 181 15 psig: 218 20 psig: 256 25 psig: 292 30 psig: 331 40 psig: 405 50 psig: 481 60 psig: 559 70 psig: 638 80 psig: 716 90 psig: 792 100 psig: 875

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

 N/A 5 In. Hg.: 88.6 10 In. Hg.: 110

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

 N/A 15 In. Hg.: 115 20 In. Hg.: 115 30 In. Hg.: 115

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

 N/A 1 psig (6.9 kPag): 30.1 5 psig (34.5 kPag): 65 10 psig (69.0 kPag): 85.5 15 psig (103.4 kPag): 103 20 psig (137.9 kPag): 121 25 psig (172.4 kPag): 138 30 psig (206.9 kPag): 156 40 psig (275.8 kPag): 191 50 psig (344.8 kPag): 227 60 psig (413.7 kPag): 264 70 psig (482.7 kPag): 301 80 psig (551.6 kPag): 338 90 psig (620.6 kPag): 374 100 psig (689.5 kPag): 413

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

 N/A 5 In. Hg. (127 Mm. Hg.): 41.8 10 In. Hg. (254 Mm. Hg.): 52.1

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

 N/A 15 In. Hg. (381 Mm. Hg.): 54.4 20 In. Hg. (508 Mm. Hg.): 54.4 30 In. Hg. (762 Mm. Hg.): 54.4

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.210 2 psig: 0.297 3 psig: 0.364 4 psig: 0.420 5 psig: 0.470 6 psig: 0.514 7 psig: 0.556 8 psig: 0.594 9 psig: 0.630 10 psig: 0.664 15 psig: 0.813 20 psig: 0.939 30 psig: 1.150 40 psig: 1.328 50 psig: 1.485 60 psig: 1.627 70 psig: 1.757 80 psig: 1.878 90 psig: 1.992 100 psig: 2.100

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.795 2 psig (13.8 kPag): 1.124 3 psig (20.7 kPag): 1.377 4 psig (27.6 kPag): 1.59 5 psig (34.5 kPag): 1.778 6 psig (41.4 kPag): 1.947 7 psig (48.3 kPag): 2.103 8 psig (55.2 kPag): 2.248 9 psig (62.1 kPag): 2.385 10 psig (69 kPag): 2.514 15 psig (103.4 kPag): 3.079 20 psig (137.9 kPag): 3.555 30 psig (206.9 kPag): 4.354 40 psig (275.8 kPag): 5.028 50 psig (344.8 kPag): 5.621 60 psig (413.7 kPag): 6.158 70 psig (482.7 kPag): 6.651 80 psig (551.6 kPag): 7.110 90 psig (620.6 kPag): 7.541 100 psig (689.5 kPag): 7.949

Flow Data Status

 N/A Generic