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    Precision orifice assemblies that adapt to commonfittings used in the process industry. Press-fit insertsare used with standard compression tube fittingsto form a precision orifice assembly. Thefittings shown here are for 1/4" OD tubing, or3/16" OD tubing.
Unit of Measure

Material

 N/A 316 SS

Nominal Orifice Size

 N/A 40

CV

 N/A 0.036

Maximum Operating Pressure

 N/A 4000 psig

Maximum Pressure Differential

 N/A 1000 psid

Connection A

 N/A 1/4" Male

Connection B

 N/A 1/4" Male

Orifice Diameter

 N/A 0.04 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Width Across Flats (Hex)

 N/A 5/8 in

Total Length

 N/A 1.55 in

N/A

    Compression fittings are used with a metal or rigid plastic tubing. These fittings are used in instrumentation for process control systems. The nature of the connectors allow for easy disassembly and re-assembly without the need for teflon tape or sealants.

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: 9.75 5 psig: 21.6 10 psig: 30.5 15 psig: 37.5 20 psig: 44.3 25 psig: 50.9 30 psig: 57.6 40 psig: 71.2 50 psig: 85.0 60 psig: 99.0 70 psig: 113 80 psig: 127 90 psig: 141 100 psig: 156

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

 N/A 5 In. Hg.: 14.3 10 In. Hg.: 17.6

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

 N/A 15 In. Hg.: 18.3 20 In. Hg.: 18.3 30 In. Hg.: 18.3

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

 N/A 1 psig (6.9 kPag): 4.6 5 psig (34.5 kPag): 10.2 10 psig (69.0 kPag): 14.4 15 psig (103.4 kPag): 17.7 20 psig (137.9 kPag): 20.9 25 psig (172.4 kPag): 24 30 psig (206.9 kPag): 27.2 40 psig (275.8 kPag): 33.6 50 psig (344.8 kPag): 40.1 60 psig (413.7 kPag): 46.7 70 psig (482.7 kPag): 53.3 80 psig (551.6 kPag): 60 90 psig (620.6 kPag): 66.7 100 psig (689.5 kPag): 73.5

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

 N/A 5 In. Hg. (127 Mm. Hg.): 6.76 10 In. Hg. (254 Mm. Hg.): 8.31

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

 N/A 15 In. Hg. (381 Mm. Hg.): 8.66 20 In. Hg. (508 Mm. Hg.): 8.66 30 In. Hg. (762 Mm. Hg.): 8.66

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.036 2 psig: 0.051 3 psig: 0.062 4 psig: 0.072 5 psig: 0.080 6 psig: 0.088 7 psig: 0.095 8 psig: 0.102 9 psig: 0.108 10 psig: 0.114 15 psig: 0.139 20 psig: 0.161 30 psig: 0.197 40 psig: 0.228 50 psig: 0.255 60 psig: 0.279 70 psig: 0.301 80 psig: 0.322 90 psig: 0.342 100 psig: 0.360

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.136 2 psig (13.8 kPag): 0.193 3 psig (20.7 kPag): 0.236 4 psig (27.6 kPag): 0.273 5 psig (34.5 kPag): 0.305 6 psig (41.4 kPag): 0.334 7 psig (48.3 kPag): 0.361 8 psig (55.2 kPag): 0.385 9 psig (62.1 kPag): 0.409 10 psig (69 kPag): 0.431 15 psig (103.4 kPag): 0.528 20 psig (137.9 kPag): 0.609 30 psig (206.9 kPag): 0.746 40 psig (275.8 kPag): 0.862 50 psig (344.8 kPag): 0.964 60 psig (413.7 kPag): 1.056 70 psig (482.7 kPag): 1.140 80 psig (551.6 kPag): 1.219 90 psig (620.6 kPag): 1.293 100 psig (689.5 kPag): 1.363

Flow Data Status

 N/A Generic