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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 15

CV

 N/A 0.005

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 0.015 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: 1.30 5 psig: 2.99 10 psig: 4.13 15 psig: 5.17 20 psig: 6.08 25 psig: 6.95 30 psig: 7.82 40 psig: 9.56 50 psig: 11.3 60 psig: 13.0 70 psig: 14.7 80 psig: 16.5 90 psig: 18.3 100 psig: 20.0

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

 N/A 5 In. Hg.: 1.9 10 In. Hg.: 2.37

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

 N/A 15 In. Hg.: 2.59 20 In. Hg.: 2.59 30 In. Hg.: 2.59

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

 N/A 1 psig (6.9 kPag): 0.61 5 psig (34.5 kPag): 1.41 10 psig (69.0 kPag): 1.95 15 psig (103.4 kPag): 2.44 20 psig (137.9 kPag): 2.87 25 psig (172.4 kPag): 3.28 30 psig (206.9 kPag): 3.69 40 psig (275.8 kPag): 4.51 50 psig (344.8 kPag): 5.31 60 psig (413.7 kPag): 6.13 70 psig (482.7 kPag): 6.96 80 psig (551.6 kPag): 7.79 90 psig (620.6 kPag): 8.62 100 psig (689.5 kPag): 9.46

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

 N/A 5 In. Hg. (127 Mm. Hg.): 0.899 10 In. Hg. (254 Mm. Hg.): 1.12

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

 N/A 15 In. Hg. (381 Mm. Hg.): 1.22 20 In. Hg. (508 Mm. Hg.): 1.22 30 In. Hg. (762 Mm. Hg.): 1.22

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.0050 2 psig: 0.0071 3 psig: 0.0087 4 psig: 0.0100 5 psig: 0.0112 6 psig: 0.0122 7 psig: 0.0132 8 psig: 0.0141 9 psig: 0.0150 10 psig: 0.0158 15 psig: 0.0194 20 psig: 0.0224 30 psig: 0.0274 40 psig: 0.0316 50 psig: 0.0354 60 psig: 0.0387 70 psig: 0.0418 80 psig: 0.0447 90 psig: 0.0474 100 psig: 0.0500

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.0189 2 psig (13.8 kPag): 0.0268 3 psig (20.7 kPag): 0.0328 4 psig (27.6 kPag): 0.0379 5 psig (34.5 kPag): 0.0423 6 psig (41.4 kPag): 0.0423 7 psig (48.3 kPag): 0.0501 8 psig (55.2 kPag): 0.0535 9 psig (62.1 kPag): 0.0568 10 psig (69 kPag): 0.0599 15 psig (103.4 kPag): 0.0733 20 psig (137.9 kPag): 0.0846 30 psig (206.9 kPag): 0.1037 40 psig (275.8 kPag): 0.1197 50 psig (344.8 kPag): 0.1338 60 psig (413.7 kPag): 0.1466 70 psig (482.7 kPag): 0.1584 80 psig (551.6 kPag): 0.1693 90 psig (620.6 kPag): 0.1796 100 psig (689.5 kPag): 0.1893

Flow Data Status

 N/A Generic