Systems Engineering External Systems Diagrams

Piping Systems

Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams

• Codes and Standards

Piping codes and standards - ASME, ANSI, ASTM, AGA, API, AWWA, BS, ISO, DIN and more..

• 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

• Fluid Flow and Pressure Loss

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

• Dimensions

Sizes and dimensions of pipes and tubes, and their fittings - inside and outside diameter, weight and more

• Valve Standards

International standards for valves in piping systems

ASME/ANSI B36.10/19 - Carbon, Alloy and Stainless Steel Pipes - Dimensions

Pipe sizes, inside and outside diameters, wall thickness, schedules, moment of inertia, transverse area, weight of pipe filled with water - U.S. Customary Units

ASME/ANSI B36.10/19 - Carbon, Alloy and Stainless Steel Pipes - Dimensions - Metric Units

Pipe sizes, inside and outside diameters, wall thickness, schedules, weight and weight of pipe filled with water - Metric Units

Ball Valve Flow Coefficients - Cv

Flow coefficients - Cv - for typical ball valves - reduced and full bore

Boiling Fluids - Max Suction Flow Velocity

Recommended max suction flow velocity when pumping boiling fluids

Boiling Liquids - Max Pumping Flow Velocity

Recommended max flow velocity on the delivery (pressure) side when pumping 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 - C v

Butterfly valves and typical flow coefficients - C v

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

Carbon and Stainless Steel Flanges - ASME/ANSI Class 1500

ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 1500 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts

Carbon and Stainless Steel Flanges - ASME/ANSI Class 2500

ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 2500 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts

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 and Stainless Steel Flanges - ASME/ANSI Class 900

ASME/ANSI B16.5-1996 Pipe Flanges and Flanged Fittings - Class 900 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts

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 Standards

Comparing standards of carbon steel pipes from USA, Germany, UK and Sweden

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 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 25

ASME/ANSI B16.1 - 1998 - Cast Iron Pipe Flanges and Flanged Fittings - Class 25 Flanges - outside and inside diameters, bolt circles, numbers and diameters of bolts

Cast Iron Flanges - ASME/ANSI Class 250

ASME/ANSI B16.1 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 in Horizontal Pipes or Cylindrical Tanks

Liquid volume in partly filled horizontal pipes or tanks

Content of Horizontal - or Sloped - Cylindrical Tank or Pipe

Volume of partly filled horizontal or sloped cylindrical tanks or pipes - online calculator.

Cooling Water Pipe Lines

Sizing cooling water pipe lines - maximum allowable flow, velocity and pressure drops

Copper Tubes - Heat Loss

Heat loss from uninsulated copper tubes at various temperature differences between tube and air

Copper Tubes - Heat Loss vs. Insulation

Heat loss to surrounding air from insulated copper tubes.

Cross Reference of ASTM Material Specifications

Fittings, Flanges, Unions and Cast and Forged Valves

Diaphragm Valves and Diaphragm Materials

Typical diaphragm materials and their main properties when used 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

EN 10255 - Non-alloy steel tubes suitable for welding and threading - Dimensions

Dimensions and weights of steel tubes according BS EN 10255

Firefighting Water Demand

Water volume flow for firefighting

Flow Coefficients - Cv vs. Flow Factor Kv

Comparing and convert between flow coefficient Cv and flow factor K v .

Gasket Characteristics

Gaskets are used to make a fluid or gas resistant seal between two surfaces

Hanger Support Spacing - Rod Sizes Horizontal Pipes

Recommended maximum support span between hangers - and rod sizes for straight horizontal pipes

HVAC Diagram - Online Drawing Tool

Draw HVAC diagrams online with this Google Drive drawing tool.

Ice Loaded Pipelines

Weight of ice coats on horizontal pipe lines

Incompressible Flow Calculator

Pipe rating for single phase incompressible flow

Light Oil Pumping Flow Velocity

Max light oil flow velocity on pump delivery side

Light Oil Suction Flow Velocity

Recommended suction flow velocity when pumping light oils

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 Tool

Draw P&ID diagrams online in the browser with Google Docs.

Pipes - Fractional Equivalents

Fractional vs. decimal inches.

Pipes and Tubes - Temperature Expansion

Pipes expands when heated and contracts when cooled and the expansion can be expressed with the expansion formula

Pipes Relative Capacity

The relative capacity between larger and smaller pipes

Pneumatic Powder and Solid Transport Systems

Pneumatic transport systems used to move powder and other solid products.

Pneumatic Transport and Conveying - Carrying Velocities

Recommended air velocity for pneumatic transport of products like cement, coal, flour and more.

Pneumatics - Transport of Solids and Separator Types

Separators used in pneumatic solids transport systems - minimum particle size

Pneumatics - Transports of Solids and Particle Size

Typical particle sizes for common products like coal, sand, ash and more

Pressure Loss in Steel Pipes Schedule 40

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

Propylene Glycol based Heat-Transfer Fluids

Freezing points of propylene glycol based heat-transfer fluids suitable for the food processing industry.

Reynolds Number

Introduction and definition of the dimensionless Reynolds Number - online calculators.

Slurry Transport - Minimum Flow Velocity

Avoid settling of solids in slurry transport systems with flow velocities above certain levels

Stainless Steel Pipes - Comparing of 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 Pipe Dimensions - ANSI Schedule 40

Internal and external diameters, areas, weights, volumes and number of threads for ANSI schedule 40 steel pipes

Steel Pipe Dimensions - ANSI Schedule 80

Internal and external diameters, areas, weights, volumes and number of threads for schedule 80 steel pipes

Steel Pipe Temperature Expansion

Temperature expansion of carbon steel pipes

Steel Pipes - Heat Loss Diagram

Heat loss from steel pipes and tubes - dimensions 1/2 to 12 inches.

Straight Through Diaphragm Valves - Flow Coefficients - Cv - and Flow Factors - Kv

Typical flow coefficients - Cv - and flow factors - Kv - for straight through diaphragm valves

Temperature Expansion Coefficients common Piping Materials

Expansion coefficients for common materials used in pipes and tubes - aluminum, carbon steel, cast iron, PVC, HDPE and more

Thermoplastic Pipes - Temperature and Support Distance

Maximum space between supports for 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 Types

Classifications of valves

Valves - Typical Operating Ranges

Types of valves and their typical operating sizes

Valves - Typical Operating Temperatures

Operating temperatures for typical types of valves - ball valves, butterfly valves and more

Valves for Specific Services

In case of a specific service - the choose of a valve may be simplified by following an established practice

Valves Selection Guide

An applications guide for selecting valves

Viscous Fluids - Recommended Suction Flow Velocity

Recommended pump suction flow velocity for viscous fluids

Viscous Liquids - Recommended Delivery Flow Velocity

Flow velocities on delivery sides of pumps in viscous systems

Water - Suction Flow Velocity

Recommended water flow velocities on suction sides of pumps

Water Flow - Delivery Velocity

Required maximum flow velocity in water systems - delivery side of the pump

Weir Diaphragm Valves - Flow Coefficients - Cv - and Flow Factors - Kv

Typical flow coefficients - Cv - and flow factors - Kv - for weir diaphragm valves

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