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    The Precision Micro-Orifices® are constructed of brass or stainless steel with orifice sizes from .0003" to .005" diameter. The orifices are used to accurately meter very low flow rates of gases or liquids. Optional stainless steel screens are available to protect the tiny orifices from minute contamination particles.
Unit of Measure

Material

 N/A Brass

Nominal Orifice Size

 N/A 3

CV

 N/A 0.0001860

Maximum Operating Pressure

 N/A 200 psig

Optional Screens

 N/A
    Micro-Orifices® must be used with extremely clean fluids (filtered to .03 microns). Otherwise, there is a high probability of clogging the orifice with solid particles. Even with clean fluids, there is also the possibility of introducing contaminants during assembly of the fluid system. To minimize the possibility of clogging small orifices, it is recommended that screens be installed on the upstream and downstream sides of the orifice, to protect against handling contamination. Fifteen micron screens are normally used with Micro-Orifices®, to minimize contamination that occurs during handling or assembly. Screen material is stainless steel.

Orifice

 N/A Replaceable - Type IALP

Accuracy

 N/A
    Standard Precision Micro-Orifices® are produced with very accurate characteristics and are production tested at an air supply pressure of 25 psig. The Flow Data tab lists the nominal flow at 25 psig and the accuracy of the measured flow for each orifice size.

Calibration

 N/A
    Measured air flow data is optionally available. Twenty flow data points, over the specified supply pressure range, are measured with NIST traceable instruments.

Custom Orifice Sizes

 N/A
    Custom orifice sizes, .0003" diameter and larger, can be produced to exacting air pressure and flow specifications. Using electronic pressure and flow measuring equipment that is NIST traceable, the custom Micro-Orifices® are produced to customer specifications. These custom orifices are available in types BLP, MLP, QXLP, IBLP, K4LP, IALP and Y2LPSS. A certificate of compliance to customer specifications is provided for all custom Micro-Orifices®. Contact factory for further details.

Connection A

 N/A 1/8" NPT Female

Connection B

 N/A 1/8" NPT Female

Screened

 N/A Screened

Orifice Diameter

 N/A 0.0030 in

Width Across Flats (Hex)

 N/A 5/8 in

Total Length

 N/A 2.25 in

Features

 N/A
  • High temperature capability (Type BLP, IBLP, K4LP, IALP)
  • High pressure capability (Type BLP, K4LP, IBLP, IALP)
  • Bi-directional flow
  • High accuracy
  • NIST traceable
  • Optional in-line screens available (except Type IBLP, IALP)
  • Orifice calibration available

N/A

  • Precision metering of very low flow rates - gases or liquids
  • Standard for flow or leak rates
  • Accurate timing in pneumatic or hydraulic circuits
  • Flow limiting

Medium

 N/A Air Gas Liquid Water

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

 N/A 5 psig: 48.2 cm³/min 10 psig: 70.6 cm³/min 15 psig: 88.7 cm³/min 20 psig: 108 cm³/min 25 psig: 124 cm³/min 30 psig: 141 cm³/min 40 psig: 173 cm³/min 50 psig: 204 cm³/min 60 psig: 237 cm³/min 70 psig: 270 cm³/min 80 psig: 303 cm³/min 90 psig: 337 cm³/min 100 psig: 371 cm³/min

Flow Data Status

 N/A Generic