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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 303 SS

Nominal Orifice Size

 N/A 86

CV

 N/A 0.170

Maximum Operating Pressure

 N/A 4000 psig

Connection A

 N/A SAE 37 DEG #8 3/4"-16 Male

Connection B

 N/A SAE 37 DEG #8 3/4"-16 Female

Screened

 N/A None

Orifice Diameter

 N/A 0.0860 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Width Across Flats (Hex)

 N/A 7/8 in

Total Length

 N/A 1.36 in

Hex Height

 N/A 0.710 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: 49.7 5 psig: 108 10 psig: 144 15 psig: 174 20 psig: 203 25 psig: 233 30 psig: 265 40 psig: 324 50 psig: 384 60 psig: 445 70 psig: 509 80 psig: 570 90 psig: 631 100 psig: 697

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

 N/A 5 In. Hg.: 70.3 10 In. Hg.: 87.9

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

 N/A 15 In. Hg.: 91.7 20 In. Hg.: 91.7 30 In. Hg.: 91.7

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

 N/A 1 psig (6.9 kPag): 23.5 5 psig (34.5 kPag): 51.1 10 psig (69.0 kPag): 67.9 15 psig (103.4 kPag): 82.1 20 psig (137.9 kPag): 95.6 25 psig (172.4 kPag): 110 30 psig (206.9 kPag): 125 40 psig (275.8 kPag): 153 50 psig (344.8 kPag): 181 60 psig (413.7 kPag): 210 70 psig (482.7 kPag): 240 80 psig (551.6 kPag): 269 90 psig (620.6 kPag): 298 100 psig (689.5 kPag): 329

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

 N/A 5 In. Hg. (127 Mm. Hg.): 33.2 10 In. Hg. (254 Mm. Hg.): 41.5

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

 N/A 15 In. Hg. (381 Mm. Hg.): 43.3 20 In. Hg. (508 Mm. Hg.): 43.3 30 In. Hg. (762 Mm. Hg.): 43.3

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.170 2 psig: 0.240 3 psig: 0.294 4 psig: 0.340 5 psig: 0.380 6 psig: 0.416 7 psig: 0.450 8 psig: 0.481 9 psig: 0.510 10 psig: 0.538 15 psig: 0.658 20 psig: 0.760 30 psig: 0.931 40 psig: 1.075 50 psig: 1.202 60 psig: 1.317 70 psig: 1.422 80 psig: 1.521 90 psig: 1.613 100 psig: 1.700

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.644 2 psig (13.8 kPag): 0.910 3 psig (20.7 kPag): 1.115 4 psig (27.6 kPag): 1.287 5 psig (34.5 kPag): 1.439 6 psig (41.4 kPag): 1.576 7 psig (48.3 kPag): 1.703 8 psig (55.2 kPag): 1.82 9 psig (62.1 kPag): 1.931 10 psig (69 kPag): 2.035 15 psig (103.4 kPag): 2.492 20 psig (137.9 kPag): 2.878 30 psig (206.9 kPag): 3.525 40 psig (275.8 kPag): 4.070 50 psig (344.8 kPag): 4.550 60 psig (413.7 kPag): 4.985 70 psig (482.7 kPag): 5.384 80 psig (551.6 kPag): 5.756 90 psig (620.6 kPag): 6.105 100 psig (689.5 kPag): 6.435

Flow Data Status

 N/A Generic