Part Number BLF-28-0-BR, Fixed Flow Controls - Ball Type NPT Nipple On O'Keefe Controls Co.

Fixed flow controls are a parallel arrangement of a ball check valve and a precision orifice. Free flow occurs in one direction and metered flow occurs in the opposite direction. Suitable for both liquids and gases the fixed flow controls are available in brass or stainless steel.

Unit of Measure

Specifications | Dimensions | Flow Data | Features

Specifications

Material	N/A Brass
Ball Material	N/A 304 SS
Nominal Orifice Size	N/A 28
Cracking Pressure	N/A 0 psig
Orifice C_V (return)	N/A 0.018
Maximum Operating Pressure Gauge	N/A 200 psig
Check Valve C_V	N/A 0.081
Assembly Forward C_V	N/A 0.099
C_V Ratio Forward C_V Return C_V	N/A 5.50
Connection A	N/A 1/8" NPT Male
Connection B	N/A 1/8" NPT Male
Screened	N/A None

Dimensions

Orifice Diameter	N/A 0.028 in
Width Across Flats (Hex)	N/A 9/16 in
Total Length	N/A 1.4 in

Flow Data

Air Flow at 100 psig	N/A 346 to 662 ft³/h
Water Flow at 100 psig	N/A 0.8 to 1.6 gpm

Features

All metal construction
Long life operation
Choice of cracking pressure
Tamperproof Orifice
High Pressure Capacity

Specifications

Material

Ball Material

Nominal Orifice Size

Cracking Pressure

Orifice CV (return)

Maximum Operating Pressure Gauge

Check Valve CV

Assembly Forward CV

CV Ratio Forward CV Return CV

Connection A

Connection B

Screened

Dimensions

Orifice Diameter

Width Across Flats (Hex)

Total Length

Flow Data

Air Flow at 100 psig

Water Flow at 100 psig

Features

Features

Orifice C_V (return)

Check Valve C_V

Assembly Forward C_V

C_V Ratio Forward C_V Return C_V