ANSI/NFPA T3.21.3-1990
Pneumatic Fluid Power - Flow Rating Test Procedure and Reporting Method - for Fixed Orifice Components

Standard No.

ANSI/NFPA T3.21.3-1990

Release Date

1990

Published By

American National Standards Institute （ANSI)

Status

Withdraw

Latest

ANSI/NFPA T3.21.3-1990

Scope

Provides test methods to measure the Cv rating and the sonic flow conductance parameters b and c. It will be expanded to include ISO sonic flow parameters. It will provide a common reference for test methods to be used on products.

ANSI/NFPA T3.21.3-1990 history

• 1990 ANSI/NFPA T3.21.3-1990 Pneumatic Fluid Power - Flow Rating Test Procedure and Reporting Method - for Fixed Orifice Components