PINCH VALVE SIZING CALCULATIONS
TYPE OF VALVE
TYPE OF VALVE
Center Line (CL)
Pre Pinch (PP)
Client Name
Project Name
TAG
Date
PROCESS INFORMATION
Pipe Size
--------Pipe Size--------
1/2
3/4
1
1,5
2
2,5
3
4
5
6
8
10
12
14
16
18
20
24
30
Minimum
Maximum
Flow
gpm
Min
Max
m3/h
Inlet Pressure
psi
Outlet Pressure
psi
Specific Gravity
Temperature
Vapor Pressure
Atm Pressure
Delta P
psi
Step1
Calculate Cv
Cv
Fl For Pinch Valve
Fl = 0.68
Step2
Delta Ps
Step3
Cone Sleeve Sizing
CV min
CV max
Porcentage % of Opening
% Opening Min Flow
% Opening Max Flow
Step6
Cavitation
Cavitation at Min Flow
Cavitation at Max Flow
Cavitation exists when number is greater or equal to 1.
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