Calculation & Valve Data Sheet
Self Acting Regulating Valves
Flow Equations for Sizing Control Valves (ISA-75.01-1985/95)
Gf
q
Cv =
Turbulent Flow (Liquid)
0 . 865 . F p
p1 − p 2
G
q
Cv =
0 . 865 . F R
q m ax
Cv =
0 .865 F LP
Cv =
f
p1 − p 2
Gf
P 1 - F F .P V
W
94 .8 .F p.P1. .
T 1. Z
x.M
Regulator Type
Fluid Name
Fluid State (Gas or Liquid)
Up Stream Pressure, P1
Down stream Pressure, P2
Line Size, D
Customer Name:
Madd Almasane
Customer Ref:
Non-Turbulent Flow (Liquid)
Broady Ref:
Choked Flow (Liquid)
Q-145271
Date
Data Sheet Rev
Sales Engineer
01 March 2023
Turbulent Flow (Gas)
WM
Tag or Item Number
43-PCV-431
Regulating Valve Data Sheet
Downstream
Methyl Propionate
Liquid
kg/cm2g
9.500
kg/cm2g
4.500
in
2.00
ANSI #150
Facing
RF
Body Stainless Steel - ASME SA351 CF8M
Cover ANC4B(Investment Casting Grade of 316SS)
Cap ANC4B(Investment Casting Grade of 316SS)
Flow rate
Density
Viscosity
1650
888.30
0.354
Disc Viton
kg/hr
Diaphragm Viton
Kg/m3
Trim Type 316SS
CP
Spring Type 316SS
Temperature
Critical Pressure (Abs), Pc
Vapour Pressure Pressure (Abs), Pv
Pipe Schedule (40/80/160)
Fluid Group
C
45.00
41.21
0.29
40
Group 1 Liquid
Design Pressure(Min/Max)
15.00 kg/cm2g
Design Temperature (Min/Max)
100.00
Piping Geometry Factor, Fp
32451
1.000
Calculated Cv
0.761
Reynolds Number
C
Accessories
Psig/F PED/PE(S)R CATEGORY SEP(Fluid Group:Article 13 of PED 2014/68/EU & Reg.8 of PE(S)R
UK SI2016 No.1105)
213.368
212
Turbulent
Notes
Model Number
C8
Dimensional Information
A
mm/kg
Valve Selection Details
B
A
B
C
Nozzle Size
0.38
Choked Flow @ P1
Maximum Failure Flow at dP
2515.4972
Choked
in
in
kg/hr
C7/C8
Flanged
kg/hr
C Approx
Valve Size (NB)
0.90
2.00
Valve Selected Cv
Mass
Drawing does not show
valve with screwed ends
The flanges are designed for
the standard grade of nuts &
Hydrodynamic Valve Noise dBA
36.0
bolts.(Not heavy duty.)
@ 1m
Please check with Broady's before using dimensions for pipe work/design
© Broady Flow Control Limited 2006 - 2022
QF290 ISS F : 24/06/2022
B
A