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ISA 75.02 : 1996

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

CONTROL VALVE CAPACITY TEST PROCEDURES
Available format(s)

Hardcopy

Superseded date

12-03-2013

Language(s)

English

Published date

01-01-1996

1 Scope
2 Purpose
3 Nomenclature
4 Test system
    4.1 General description
    4.2 Test specimen
    4.3 Test section
    4.4 Throttling valves
    4.5 Flow measurement
    4.6 Pressure taps
    4.7 Pressure measurement
    4.8 Temperature measurement
    4.9 Installation of test specimen
    4.10 Accuracy of test
5 Test fluids
    5.1 Incompressible fluids
    5.2 Compressible fluids
6 Test procedure - incompressible fluids
    6.1 C[V] Test procedure
    6.2 F[L] Test procedure
    6.3 F[P] Test procedure
    6.4 F[LP] Test procedure
    6.5 F[R] Test procedure
    6.6 F[F] Test procedure
7 Data evaluation procedure - incompressible fluids
    7.1 C[V] Calculation
    7.2 F[L] Calculation
    7.3 F[P] Calculation
    7.4 F[LP] Calculation
    7.5 F[R] Calculation
    7.6 F[F] Calculation
8 Test procedure - compressible fluids
    8.1 C[V] Test procedure
    8.2 X[T] Test procedure
    8.3 Alternative Test procedure for C[V] and X[T]
    8.4 F[P] Test procedure
    8.5 X[TP] Test procedure
9 Data evaluation procedure - compressible fluids
    9.1 C[V] Calculation
    9.2 X[T] Calculation
    9.3 F[P] Calculation
    9.4 X[TP] Calculation
10 Numerical constants

Uses mathematical equations covered in ANSI/ISA-S75.01, Flow Equations for Sizing Control Valves, in supplying a test method to obtain:- Valve flow coefficient, Cv; Liquid pressure recovery factors, FL and FLP; Reynolds Number factor, FR; Liquid critical pressure ratio factor, FF; Piping geometry factor, Fp; and pressure drop ratio factors. Intended for control valves used in flow control of process fluids and is not intended to apply to fluid power components as defined in the National Fluid Power Association Standard NFPA T.3.5.28-1977.

Committee
SP75
DevelopmentNote
Formerly it was ISA-S75.02 (05/20010
DocumentType
Standard
Pages
28
PublisherName
International Society of Automation
Status
Superseded
SupersededBy
Supersedes

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