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

Seal Material

 N/A Viton

Material

 N/A 303 SS

Nominal Orifice Size

 N/A 89

CV

 N/A 0.180

Maximum Operating Pressure

 N/A 2000 psig

Connection A

 N/A 9/16-18 Male UNF with O-Ring

Connection B

 N/A 1/8" NPT Female

Screened

 N/A None

Orifice Diameter

 N/A 0.0890 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Width Across Flats (Hex)

 N/A 5/8 in

Total Length

 N/A 0.75 in

N/A

    Type K4 is a 1/4" OD Tube and is suitable for use with a wide variety of compression fittings.Type K2 is for 1/8" OD Tube fittings.Types R4 and RG4 are suitable for use with face seal fittings. Types BFS and CFJ are used in hydraulic circuits, having SAE flare connections.

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: 53.7 5 psig: 116 10 psig: 153 15 psig: 185 20 psig: 216 25 psig: 248 30 psig: 280 40 psig: 343 50 psig: 407 60 psig: 473 70 psig: 538 80 psig: 604 90 psig: 670 100 psig: 739

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

 N/A 5 In. Hg.: 76.1 10 In. Hg.: 94.9

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

 N/A 15 In. Hg.: 99.0 20 In. Hg.: 99.0 30 In. Hg.: 99.0

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

 N/A 1 psig (6.9 kPag): 25.4 5 psig (34.5 kPag): 54.9 10 psig (69.0 kPag): 72.3 15 psig (103.4 kPag): 87.3 20 psig (137.9 kPag): 102 25 psig (172.4 kPag): 117 30 psig (206.9 kPag): 132 40 psig (275.8 kPag): 162 50 psig (344.8 kPag): 192 60 psig (413.7 kPag): 223 70 psig (482.7 kPag): 254 80 psig (551.6 kPag): 285 90 psig (620.6 kPag): 316 100 psig (689.5 kPag): 349

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

 N/A 5 In. Hg. (127 Mm. Hg.): 35.9 10 In. Hg. (254 Mm. Hg.): 44.8

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

 N/A 15 In. Hg. (381 Mm. Hg.): 46.7 20 In. Hg. (508 Mm. Hg.): 46.7 30 In. Hg. (762 Mm. Hg.): 46.7

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.180 2 psig: 0.255 3 psig: 0.312 4 psig: 0.360 5 psig: 0.402 6 psig: 0.441 7 psig: 0.476 8 psig: 0.509 9 psig: 0.540 10 psig: 0.569 15 psig: 0.697 20 psig: 0.805 30 psig: 0.986 40 psig: 1.138 50 psig: 1.273 60 psig: 1.394 70 psig: 1.506 80 psig: 1.610 90 psig: 1.708 100 psig: 1.800

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.681 2 psig (13.8 kPag): 0.964 3 psig (20.7 kPag): 1.180 4 psig (27.6 kPag): 1.363 5 psig (34.5 kPag): 1.524 6 psig (41.4 kPag): 1.669 7 psig (48.3 kPag): 1.803 8 psig (55.2 kPag): 1.927 9 psig (62.1 kPag): 2.044 10 psig (69 kPag): 2.155 15 psig (103.4 kPag): 2.639 20 psig (137.9 kPag): 3.047 30 psig (206.9 kPag): 3.732 40 psig (275.8 kPag): 4.309 50 psig (344.8 kPag): 4.818 60 psig (413.7 kPag): 5.278 70 psig (482.7 kPag): 5.701 80 psig (551.6 kPag): 6.094 90 psig (620.6 kPag): 6.464 100 psig (689.5 kPag): 6.814

Flow Data Status

 N/A Generic