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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 Brass

Nominal Orifice Size

 N/A 17

CV

 N/A 0.0067

Maximum Operating Pressure

 N/A 2000 psig

Taper

 N/A 45 º

Connection A

 N/A 1/8" NPT Male

Connection B

 N/A SAE 45 DEG #4 7/16"-20 Male

Screened

 N/A Screened

Orifice Diameter

 N/A 0.017 in

Orifice Diameter Accuracy

 N/A ±0.0005 in

Width Across Flats (Hex)

 N/A 7/16 in

Total Length

 N/A 1.04 in

N/A

    The integral screen/orifice assembly provides a compact arrangement. All types on this page The screen is located upstream of the orifice and protects against particles carried by the pressurized fluid. For protection against contamination in reverse flow situations add an external screen downstream of the orifice.

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: 1.64 5 psig: 3.73 10 psig: 4.79 15 psig: 6.04 20 psig: 7.20 25 psig: 8.31 30 psig: 9.39 40 psig: 11.6 50 psig: 13.8 60 psig: 16.0 70 psig: 18.2 80 psig: 20.5 90 psig: 22.7 100 psig: 25.0

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

 N/A 5 In. Hg.: 2.41 10 In. Hg.: 2.99

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

 N/A 15 In. Hg.: 3.28 20 In. Hg.: 3.28 30 In. Hg.: 3.28

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

 N/A 1 psig (6.9 kPag): 0.77 5 psig (34.5 kPag): 1.76 10 psig (69.0 kPag): 2.26 15 psig (103.4 kPag): 2.85 20 psig (137.9 kPag): 3.40 25 psig (172.4 kPag): 3.92 30 psig (206.9 kPag): 4.43 40 psig (275.8 kPag): 5.47 50 psig (344.8 kPag): 6.51 60 psig (413.7 kPag): 7.56 70 psig (482.7 kPag): 8.61 80 psig (551.6 kPag): 9.67 90 psig (620.6 kPag): 10.7 100 psig (689.5 kPag): 11.8

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

 N/A 5 In. Hg. (127 Mm. Hg.): 1.14 10 In. Hg. (254 Mm. Hg.): 1.41

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

 N/A 15 In. Hg. (381 Mm. Hg.): 1.55 20 In. Hg. (508 Mm. Hg.): 1.55 30 In. Hg. (762 Mm. Hg.): 1.55

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.0067 2 psig: 0.0095 3 psig: 0.0116 4 psig: 0.0134 5 psig: 0.0150 6 psig: 0.0164 7 psig: 0.0177 8 psig: 0.0190 9 psig: 0.0201 10 psig: 0.0212 15 psig: 0.0259 20 psig: 0.0300 30 psig: 0.0367 40 psig: 0.0424 50 psig: 0.0474 60 psig: 0.0519 70 psig: 0.0561 80 psig: 0.0599 90 psig: 0.0636 100 psig: 0.0670

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.0254 2 psig (13.8 kPag): 0.0359 3 psig (20.7 kPag): 0.0439 4 psig (27.6 kPag): 0.0507 5 psig (34.5 kPag): 0.0567 6 psig (41.4 kPag): 0.0567 7 psig (48.3 kPag): 0.0671 8 psig (55.2 kPag): 0.0717 9 psig (62.1 kPag): 0.0761 10 psig (69 kPag): 0.0802 15 psig (103.4 kPag): 0.0982 20 psig (137.9 kPag): 0.1134 30 psig (206.9 kPag): 0.1389 40 psig (275.8 kPag): 0.1604 50 psig (344.8 kPag): 0.1793 60 psig (413.7 kPag): 0.1965 70 psig (482.7 kPag): 0.2122 80 psig (551.6 kPag): 0.2268 90 psig (620.6 kPag): 0.2406 100 psig (689.5 kPag): 0.2536

Flow Data Status

 N/A Generic