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

Orifice Diameter

 N/A 0.018 in

Total Length

 N/A 1.25 in

Outside Diameter

 N/A 0.125 in

Material

 N/A 316 SS

Nominal Orifice Size

 N/A 18

CV

 N/A 0.0073

Maximum Operating Pressure

 N/A 4000 psig

Connection A

 N/A 1/8" OD Tube

Connection B

 N/A 1/8" OD Tube

Screened

 N/A None

N/A

  • High Pressure Capability
  • Bi-directional Flow
  • Economical Precision Orifice
  • Repeatable Orifice Size and Shape
  • Predictable Flow Rate

N/A

  • Type K2 is for 1/8" OD Tube fittings.

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

 N/A 1 psig: 1.82 5 psig: 4.20 10 psig: 5.38 15 psig: 6.84 20 psig: 8.18 25 psig: 9.43 30 psig: 10.7 40 psig: 13.2 50 psig: 15.7 60 psig: 18.2 70 psig: 20.7 80 psig: 23.3 90 psig: 25.9 100 psig: 28.4

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

 N/A 5 In. Hg.: 2.7 10 In. Hg.: 3.35

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

 N/A 15 In. Hg.: 3.71 20 In. Hg.: 3.71 30 In. Hg.: 3.71

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

 N/A 1 psig (6.9 kPag): 0.86 5 psig (34.5 kPag): 1.98 10 psig (69.0 kPag): 2.54 15 psig (103.4 kPag): 3.23 20 psig (137.9 kPag): 3.86 25 psig (172.4 kPag): 4.45 30 psig (206.9 kPag): 5.03 40 psig (275.8 kPag): 6.21 50 psig (344.8 kPag): 7.40 60 psig (413.7 kPag): 8.58 70 psig (482.7 kPag): 9.77 80 psig (551.6 kPag): 11.0 90 psig (620.6 kPag): 12.2 100 psig (689.5 kPag): 13.4

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

 N/A 5 In. Hg. (127 Mm. Hg.): 1.28 10 In. Hg. (254 Mm. Hg.): 1.58

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

 N/A 15 In. Hg. (381 Mm. Hg.): 1.75 20 In. Hg. (508 Mm. Hg.): 1.75 30 In. Hg. (762 Mm. Hg.): 1.75

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.0073 2 psig: 0.0103 3 psig: 0.0126 4 psig: 0.0146 5 psig: 0.0163 6 psig: 0.0179 7 psig: 0.0193 8 psig: 0.0206 9 psig: 0.0219 10 psig: 0.0231 15 psig: 0.0283 20 psig: 0.0326 30 psig: 0.0400 40 psig: 0.0462 50 psig: 0.0516 60 psig: 0.0565 70 psig: 0.0611 80 psig: 0.0653 90 psig: 0.0693 100 psig: 0.0730

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.0276 2 psig (13.8 kPag): 0.0391 3 psig (20.7 kPag): 0.0479 4 psig (27.6 kPag): 0.0553 5 psig (34.5 kPag): 0.0618 6 psig (41.4 kPag): 0.0618 7 psig (48.3 kPag): 0.0731 8 psig (55.2 kPag): 0.0782 9 psig (62.1 kPag): 0.0829 10 psig (69 kPag): 0.0874 15 psig (103.4 kPag): 0.1070 20 psig (137.9 kPag): 0.1236 30 psig (206.9 kPag): 0.1514 40 psig (275.8 kPag): 0.1748 50 psig (344.8 kPag): 0.1954 60 psig (413.7 kPag): 0.2140 70 psig (482.7 kPag): 0.2312 80 psig (551.6 kPag): 0.2472 90 psig (620.6 kPag): 0.2622 100 psig (689.5 kPag): 0.2763

Flow Data Status

 N/A Generic