Pipes of different nominal pipe sizes (NPS) are available with a range of different wall thicknesses. These different valve thicknesses are identified by...
Author - wpadmin
Table of content:
What is spectacle blind?
Standard spectacle or 8 blind dimensions
What is spectacle blind?
A spectacle blind is basically made up of two...
Spectacle Blind / 8 Blind / Line Blanks
An '8 blind' or a 'spectacle blind' is a piping fitting that is used for providing positive isolation. It consists of a...
Single block and bleed valve assembly
Single block and bleed valves are used to achieve positive isolation when performing maintenance activities in a live...
Positive isolation while performing maintenance or repair activities on process facilities means that,
All the hazardous energy sources must be identified
All...
Double block and bleed valve assembly
Double block and bleed valves are used to achieve positive isolation when performing maintenance activities in a live...
INDEX:
LMTD Equation
Why Is LMTD Important?
LMTD Calculation
LMTD Calculation When The Formula Does Not Work
FAQs
LMTD Equation
As per the definition and...
A vortex flow meter works based on the principle of 'Kármán vortex street' demonstrated in the figure on left side. This principle essentially...
Mechanical flow measurement devices
Piston flow meter operates on the principle of a piston oscillating within a casing of known volume. For each oscillation...
Mathematically flow-coefficient can be defined as,
Cv = Flow coefficient
V = Volumetric flow
ρ = Fluid density
ΔP = Pressure drop
Depending on the...
Pressure drop based flow measurement devices
Orifice plate is a plate with an orifice which restricts the flow, thereby causing a pressure drop which is...
The first term on the left hand side of this equation is clearly the pressure head of the flow at a point. Second term is the kinetic head and the third term...