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    Checked orifices are a series arrangement of a precision orifice, a ball check valve and an optional screen. The all metal assemblies are made of brass or stainless steel. Gas or liquid can flow in one direction only, at a rate established by the metering orifice. Reverse pressure differential does not result in reverse flow. Standard sizes are 10-32, 1/8" NPT and 1/4" NPT. Custom requirements will be reviewed for large quantity applications.
Unit of Measure

Seal Material

 N/A Loctite 609, 680

Material

 N/A Brass

Nominal Orifice Size

 N/A 13

CV

 N/A 0.0038

Ball Material

 N/A 304 SS

Maximum Temperature

 N/A 300 ºF

Maximum Operating Pressure

 N/A 200 psig

Cracking Pressure

 N/A 0 psig

For Sizies

 N/A FOR 10-32, 1/8" NPT and 1/4" NPT

Connection A

 N/A 1/8" NPT Male

Connection B

 N/A 1/8" NPT Male

Screened

 N/A None

Orifice Diameter

 N/A 0.013 in

Width Across Flats (Hex)

 N/A 7/16 in

Total Length

 N/A 0.970 in

Air Flow at 25 psig

 N/A 5.3 ft³/h

Air Flow at 100 psig

 N/A 15.3 ft³/h

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

 N/A 25 psig: 5.3 100 psig: 15.3

N/A

  • Unidirectional gas or liquid flow
  • Backflow prevention in metering systems
  • Fluid contamination reduction
  • Isolation of fluid sources in mixers
  • Fuel line metering with no reverse flow
  • Medical metering of fluids