Part Number BIFLC-20-0-BR, Checked Orifices, Ball Type, Nipples On O'Keefe Controls Co.

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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 20
C_V	N/A 0.0088
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 0.02 in
Width Across Flats (Hex)	N/A 7/16 in
Total Length	N/A 0.970 in

Air Flow at 25 psig	N/A 11.8 ft³/h
Air Flow at 100 psig	N/A 35.2 ft³/h
Air Flow at Pressure - Standard Cu. Ft. Per Hour (SCFH)	N/A 25 psig: 11.8 100 psig: 35.2

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

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Seal Material

Material

Nominal Orifice Size

CV

Ball Material

Maximum Temperature

Maximum Operating Pressure

Cracking Pressure

For Sizies

Connection A

Connection B

Screened

C_V