Codes and Standards
Piping codes and standards - ASME, ANSI, ASTM, AGA, API, AWWA, BS, ISO, DIN etc.
Corrosion
Corrosion in piping systems - caused by thermodynamic and electrochemical processes - corrosion problems and methods of protection and prevention
Design Strategies
Piping systems and design strategies - documentation, P&ID, flow diagrams - capacities and limits
Dimensions
Sizes and dimensions of pipes and tubes, and their fittings - inside and outside diameter, weight and more
Fluid Flow and Pressure Drop
Pipe lines - fluid flow and pressure loss - water, sewer, steel pipes, pvc pipes, copper tubes and more
Heat Loss and Insulation
Heat loss from pipes, tubes and tanks - with and without insulation - foam, fiberglass, rockwool and more
Pressure Ratings
Pressure ratings of pipes and tubes and their fittings - carbon steel , stainless steel, plastic, copper and more
Temperature Expansion
Thermal expansion of pipes and tubes - stainless steel, carbon steel, copper, plastics and more
Valve Standards
International standards for valves in piping systems
Ball Valves and typical Flow Coefficients - Cv
Typical flow coefficients - Cv - for ball valves - reduced and full bore
Boiling Fluids - Recommended Suction Flow Velocity
Recommended flow velocity for the pump suction side
Boiling Liquids - Pumping Flow Velocities
Recommended flow velocity required on the delivery side of the pump in systems with boiling liquids
Bronze Flanges - ASME/ANSI 150 lb
Flange diameters, thickness, bolt circles, numbers and diameters of bolts for ASME/ANSI B16.15 - Cast Bronze Threaded Fittings - 150 lb Bronze flanges with plain faces
Bronze Flanges - ASME/ANSI 300 lb
Flange diameters, thickness, bolt circles, numbers and diameter of bolts for ASME/ANSI B16.15 - Cast Bronze Threaded Fittings - 300 lb Bronze Flanges with plain faces
Butterfly Valves - Typical Flow Coefficients - Cv
Butterfly valves and typical flow coefficients - Cv
Carbon Steel Flanges - Pressure and Temperature Ratings
Maximum ratings for flanges conforming to ISO Standard 2229 dimensions and material specification AST-A-105
Carbon Steel Pipes - Comparing American & European Specifications
Comparing standards of carbon steel pipes from USA, Germany, UK and Sweden
Carbon and Stainless Steel Flanges - ASME/ANSI Class 150
ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 150 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts
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Carbon and Stainless Steel Flanges - ASME/ANSI Class 300
ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 300 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts
Carbon and Stainless Steel Flanges - ASME/ANSI Class 400
ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 400 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts
Carbon and Stainless Steel Flanges - ASME/ANSI Class 600
ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 600 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts
Carbon, Alloy and Stainless Steel Pipes - ASME/ANSI B36.10/19
Pipe sizes, inside and outside diameters, wall thickness, schedules, moment of inertia, transverse area, weight of pipe filled with water - U.S. Customary Units
Carbon, Alloy and Stainless Steel Pipes - ASME/ANSI B36.10/19
Pipe sizes, inside and outside diameters, wall thickness, schedules, weight and weight of pipe filled with water - Metric Units
Cast Iron
There are four basic types of cast iron - white iron, gray iron, ductile iron and malleable iron
Cast Iron Flanges - ASME/ANSI Class 125
ASME/ANSI B16.1 - 1998 - Cast Iron Pipe Flanges and Flanged Fittings - Class 125 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts
Cast Iron Flanges - ASME/ANSI Class 250
ASME/ANSI B16.1 - 1998 - Cast Iron Pipe Flanges and Flanged Fittings - Class 250 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts
Comparing American and British Piping Standards
Comparing US American (ASTM) and British (BSi) piping standards - specifications, grades and material descriptions
Content of Horizontal Sloped Cylindrical Tanks or Pipes
Volume of horizontal sloped cylindrical tanks at different levels - online calculator
Cooling Water Pipes
Sizing cooling water piping - maximum allowable flow, velocity and pressure drop
Copper Pipes - Heat Loss
Heat loss from copper tubes at various temperature differences between tube and air
Copper Pipes - Insulation and Heat Loss
Heat loss to surrounding air from insulated copper tubes
Cross Reference of ASTM Material Specifications
Fittings, Flanges, Unions and Cast and Forged Valves
Diaphragm Materials in Diaphragm Valves
Typical diaphragm materials and their main properties for use in diaphragm valves
Download ANSI, American National Standards Institute, Standards
ANSI is a private, not-for-profit, membership organization that acts not as a standards developer, but as a standards coordinating and approval body
Flow Coefficient Cv and Flow Factor Kv
Comparing flow coefficient Cv with flow factor Kv
Flow Coefficients - Cv - and Flow Factors - Kv - of Straight Through Diaphragm Valves
Typical flow coefficients - Cv - and flow factors - Kv - of
Flow Coefficients - Cv - and Flow Factors - Kv - of Weir Diaphragm Valves
Typical flow coefficients - Cv - and flow factors - Kv - of weir diaphragm valves of
Gasket Characteristics
Gaskets are used to make a fluid or gas resistant seal between two surfaces
HVAC Diagram - Online Drawing
Draw HVAC diagrams - Online with the Google Drive drawing tool
Ice Load on Pipelines
Ice coating on horizontal pipes - weight loaded
Incompressible Flow Calculator
Pipe rating for single phase incompressible flow
Light Oils - Pumping Flow Velocities
Recommended flow velocity required for light oil systems on the delivery side of the pump
Light Oils - Recommended Suction Flow Velocity
Recommended flow velocity for the pump suction side
NDT - Non Destructive Testing
Non-destructive testing of constructions
NPS - 'Nominal Pipe Size' and DN - 'Diametre Nominal'
The size of pipes, fittings, flanges and valves are often given in inches as NPS - Nominal Pipe Size, or in metric units as DN - 'Diametre Nominal'
P&ID Diagram - Online Drawing
Draw P&ID diagrams - Online with Google Docs
Pipes - Relative Capacities
Relative capacities between larger and smaller pipes
Pipes Fractional Equivalents
Comparing fractions and inches for pipes
Pipes and Tubes - Temperature Expansion
Pipes expands when heated and contracts when cooled. The expansion of the pipes can be expressed with the expansion formula
Pneumatic Powder and Solids - Transport Systems
Pneumatic transport systems may be suited to move powder and other solid products
Pneumatics - Solid Transport Carrying Velocities
Air carrying velocities for solid transport of products as cement, coal, flour and more
Pneumatics - Solid Transports and Particle Sizes
Typical particle sizes for common products as coal, sand, ash and more
Pneumatics - Solid Transports and Separator Types
Separator types used in pneumatic solids transport systems - and their minimum suitable particle size
Pressure Loss in Schedule 40 Steel Pipes
Water flow and pressure loss in schedule 40 steel pipes - Imperial and SI units - gallons per minute, liters per second and cubic meters per hour
Ratio of Free Air to Compressed Air
Compression Ratio - Discharge Pressure Absolute to Suction Pressure Absolute
Reynolds Number
An introduction and definition of the dimensionless Reynolds Number - with online calculators
Slurry Transport and Minimum Flow Velocity
Settling of solids in slurry transport pipes or tubes can be avoided with flow velocities above certain levels
Stainless Steel Pipes - Comparing American and European Standards
Comparing American - US - and European - German, British (UK) and Swedish - stainless steel pipe standards
Stainless Steel Pipes - Dimensions and Weights ANSI/ASME 36.19
Dimensions, wall thickness and weights of stainless steel pipes according to ASME B36.19 Stainless Steel Pipe
Steel Pipes Dimensions - ANSI Schedule 40
Internal and external diameters, areas, weights, volumes and number of threads for schedule 40 steel pipes
Steel Pipes Dimensions - ANSI Schedule 80
Internal and external diameters, areas, weights, volumes and number of threads for schedule 80 steel pipes
Steel Pipes and Heat Loss Diagram
Heat loss from steel pipes and tubes - dimensions ranging 1/2 - 12 inches
Steel Pipes and Temperature Expansion
Temperature expansion of carbon steel pipes
Steel Tubes BS 1387 (EN 10255)
Dimensions and weights of steel tubes according BSi - BS 1387:1985 (EN 10255) Specification for screwed and socketed steel tubes and tubulars and for plain end steel tubes suitable for welding or for screwing to BS 21 pipe threads
Suction Flow Velocities of Water
Recommended water flow velocity on suction side of pump
Temperature Expansion Coefficients of some common Piping Materials
Expansion coefficients of some common materials used for pipes and tubes - aluminum, carbon steel, cast iron, PVC, HDPE and more
Thermoplastic Pipes - Temperature and Maximum Support Spacing
Maximum support spacing PVC, CPVC, PVDF and PP pipes
Threaded & Socket Welded Fittings - Pressure Classes and Schedules
Pressure classes, schedules and weights of pipes for threaded & socket welded fittings
Valve Selection Guide
An applications guide for selecting valves
Valve Types for Specific Services
In case of specific services, choose of valve may be simplified by following established practice
Valves - Types
Classifications of valves
Valves - Typical Operating Ranges
Different types of valves and their operating ranges
Valves - Typical Operating Temperatures
Typical operating temperature ranges for some common types of valves - ball valves, butterfly valves and more
Viscous Fluids - Recommended Suction Flow Velocity
Recommended suction flow velocity of viscous fluids
Viscous Liquids - Recommended Delivery Flow Velocities
Normal flow velocities on the delivery side of the pump in viscous systems
Water Delivery Flow Velocities
Required flow velocities in water transport systems - on the delivery side of the pump
Water for Firefighting
Water flow for firefighting
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