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    One-piece construction of solid metal is employed. Orifices are accurately machined, thoroughly cleaned, and flow tested to exacting standards. Sizes range from .004" to .125" orifice diameter. Special sizes can be made to order. Type DEL is a two-piece construction.
Unit of Measure

Material

 N/A Brass

Nominal Orifice Size

 N/A 33

CV

 N/A 0.025

Maximum Operating Pressure

 N/A 2000 psig

Inlet Type

 N/A Male NPT

Screen Filter Rating

 N/A 100 µ

Connection A

 N/A 1/8" NPT Male

Screened

 N/A Screened

Orifice Diameter

 N/A 0.033 in

Width Across Flats (Hex)

 N/A 7/16 in

Total Length

 N/A 0.650 mm

Orifice Diameter Accuracy

 N/A ±0.0005 in

N/A

    The integral screen/orifice assembly provides a compact arrangement.
    Types BMMS – The screen protects the orifice from particles that could migrate from outside, when there is no fluid flow.

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

 N/A 1 psig: 7.37 5 psig: 16.3 10 psig: 22.5 15 psig: 27.8 20 psig: 32.4 25 psig: 37.5 30 psig: 42.4 40 psig: 52.5 50 psig: 62.5 60 psig: 72.7 70 psig: 83.1 80 psig: 93.0 90 psig: 106 100 psig: 114

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

 N/A 5 In. Hg.: 10.4 10 In. Hg.: 13.1

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

 N/A 15 In. Hg.: 13.8 20 In. Hg.: 13.8 30 In. Hg.: 13.8

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

 N/A 1 psig (6.9 kPag): 3.48 5 psig (34.5 kPag): 7.67 10 psig (69.0 kPag): 10.6 15 psig (103.4 kPag): 13.1 20 psig (137.9 kPag): 15.3 25 psig (172.4 kPag): 17.7 30 psig (206.9 kPag): 20 40 psig (275.8 kPag): 24.8 50 psig (344.8 kPag): 29.5 60 psig (413.7 kPag): 34.3 70 psig (482.7 kPag): 39.2 80 psig (551.6 kPag): 44 90 psig (620.6 kPag): 50 100 psig (689.5 kPag): 53.9

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

 N/A 5 In. Hg. (127 Mm. Hg.): 4.92 10 In. Hg. (254 Mm. Hg.): 6.18

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

 N/A 15 In. Hg. (381 Mm. Hg.): 6.5 20 In. Hg. (508 Mm. Hg.): 6.5 30 In. Hg. (762 Mm. Hg.): 6.5

Water Flow - Gallons/minute (GPM)

 N/A 1 psig: 0.028 2 psig: 0.040 3 psig: 0.048 4 psig: 0.056 5 psig: 0.063 6 psig: 0.069 7 psig: 0.074 8 psig: 0.079 9 psig: 0.084 10 psig: 0.089 15 psig: 0.108 20 psig: 0.125 30 psig: 0.153 40 psig: 0.177 50 psig: 0.198 60 psig: 0.217 70 psig: 0.234 80 psig: 0.250 90 psig: 0.266 100 psig: 0.280

Water Flow - Liters/minute (LPM)

 N/A 1 psig (6.9 kPag): 0.106 2 psig (13.8 kPag): 0.150 3 psig (20.7 kPag): 0.184 4 psig (27.6 kPag): 0.212 5 psig (34.5 kPag): 0.237 6 psig (41.4 kPag): 0.260 7 psig (48.3 kPag): 0.280 8 psig (55.2 kPag): 0.300 9 psig (62.1 kPag): 0.318 10 psig (69 kPag): 0.335 15 psig (103.4 kPag): 0.411 20 psig (137.9 kPag): 0.474 30 psig (206.9 kPag): 0.581 40 psig (275.8 kPag): 0.67 50 psig (344.8 kPag): 0.749 60 psig (413.7 kPag): 0.821 70 psig (482.7 kPag): 0.887 80 psig (551.6 kPag): 0.948 90 psig (620.6 kPag): 1.006 100 psig (689.5 kPag): 1.060

Flow Data Status

 N/A Generic