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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 0.0039 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 4

CV

 N/A 0.00035

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: 0.075 5 psig: 0.18 10 psig: 0.25 15 psig: 0.30 20 psig: 0.40 25 psig: 0.47 30 psig: 0.53 40 psig: 0.64 50 psig: 0.76 60 psig: 0.89 70 psig: 1.02 80 psig: 1.14 90 psig: 1.27 100 psig: 1.40

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

 N/A 5 In. Hg.: 0.113 10 In. Hg.: 0.145

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

 N/A 15 In. Hg.: 0.158 20 In. Hg.: 0.158 30 In. Hg.: 0.158

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

 N/A 1 psig (6.9 kPag): 0.035 5 psig (34.5 kPag): 0.09 10 psig (69.0 kPag): 0.12 15 psig (103.4 kPag): 0.16 20 psig (137.9 kPag): 0.19 25 psig (172.4 kPag): 0.22 30 psig (206.9 kPag): 0.25 40 psig (275.8 kPag): 0.30 50 psig (344.8 kPag): 0.36 60 psig (413.7 kPag): 0.42 70 psig (482.7 kPag): 0.48 80 psig (551.6 kPag): 0.54 90 psig (620.6 kPag): 0.60 100 psig (689.5 kPag): 0.66

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

 N/A 5 In. Hg. (127 Mm. Hg.): 0.053 10 In. Hg. (254 Mm. Hg.): 0.069

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

 N/A 15 In. Hg. (381 Mm. Hg.): 0.075 20 In. Hg. (508 Mm. Hg.): 0.075 30 In. Hg. (762 Mm. Hg.): 0.075

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.00035 2 psig: 0.00049 3 psig: 0.00061 4 psig: 0.00070 5 psig: 0.00078 6 psig: 0.00086 7 psig: 0.00093 8 psig: 0.00099 9 psig: 0.00105 10 psig: 0.00111 15 psig: 0.00136 20 psig: 0.00157 30 psig: 0.00192 40 psig: 0.00221 50 psig: 0.00247 60 psig: 0.00271 70 psig: 0.00293 80 psig: 0.00313 90 psig: 0.00332 100 psig: 0.00350

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.0013 2 psig (13.8 kPag): 0.0019 3 psig (20.7 kPag): 0.0023 4 psig (27.6 kPag): 0.0026 5 psig (34.5 kPag): 0.0030 6 psig (41.4 kPag): 0.0030 7 psig (48.3 kPag): 0.0035 8 psig (55.2 kPag): 0.0037 9 psig (62.1 kPag): 0.0040 10 psig (69 kPag): 0.0042 15 psig (103.4 kPag): 0.0051 20 psig (137.9 kPag): 0.0059 30 psig (206.9 kPag): 0.0073 40 psig (275.8 kPag): 0.0084 50 psig (344.8 kPag): 0.0094 60 psig (413.7 kPag): 0.0103 70 psig (482.7 kPag): 0.0111 80 psig (551.6 kPag): 0.0119 90 psig (620.6 kPag): 0.0126 100 psig (689.5 kPag): 0.0132

Flow Data Status

 N/A Generic