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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 303 SS |
Nominal Orifice Size |
N/A 70 |
CV |
N/A 0.110 |
Ball Material |
N/A 304 SS |
Maximum Temperature |
N/A 300 ºF |
Maximum Operating Pressure |
N/A 2000 psig |
Cracking Pressure |
N/A 0 psig |
For Sizies |
N/A 1/4" NPT ONLY |
Connection A |
N/A 1/4" NPT Male |
Connection B |
N/A 1/4" NPT Male |
Screened |
N/A Screened |
Orifice Diameter |
N/A 0.0700 in |
Width Across Flats (Hex) |
N/A 9/16 in |
Total Length |
N/A 1.38 in |
Air Flow at 25 psig |
N/A 158 ft³/h |
Air Flow at 100 psig |
N/A 468 ft³/h |
Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH) |
N/A 25 psig: 158 100 psig: 468 |
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N/A
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