Flat Pan

a. Pictorial Drawings
b. Orthographic Views
c. Dimensions
d. Hidden Lines and Broken Lines
e . Sectional Views
f. Alphabet of Lines
g. Stretchout of a Pan
h. Angular Layouts
i. Notches - Description and Use
 

Circular Sleeves

a. Methods of Layout
b. Methods of Drawing Parallel Lines
c. Working from Centerlines
d. Laying Out Templets
e. Stretchout of Circular Jobs
f. Stretchout of Semicircular Jobs
g. Layout of Cylindrical Shaped Jobs
 

Rectangular Sleeve and Flange

a. Patterns of Square and Cylindrical Jobs
b. Rules for Developing Patterns by the Parallel-Line Method
c. Stretchout of Square Jobs
d. Stretchout of Rectangular Jobs
e. Layout of Rectangular Jobs
f. Angular Measurement
g. Protractors
h. Measuring Angles with a Protractor
i. Swing Blade Protractor
j. Measuring Angles with a Swing Blade Protractor
k. Layout of Square and Rectangular Jobs cut at an Angle
 

Circular Sleeve and Flange

a. Elements
b. Dividing Lines, Angles and Circles
c. Miter Lines and Length of Elements
d. Method of Finding the Length of the Stretchout of Circular Jobs
e. Layout of Cylindrical Sleeves Cut at an Angle
 

Design Layout of Welded Joints

a. Advantages of Welded Pipe Systems
b. Weld Design
c. Welded Pipe Fittings
  1. Fabrication Procedure
d. Preparation for Welding
e. Angle of Intersection
 

90° - Two-Piece Turn

a. Patterns
b. Views Required
c. Templet for a 90°, Two-Piece Turn
 

Any Angle Turn - Two-Piece

a. 32° Angle Turn from a Stock Elbow
b. Templet for a Turn of Any Angle - Two-Piece
 

90° - Three-Piece Turn

a. Short and Long Radius Turns
b. Number of Degrees in a Templet Angle
c. Templet for a 90°, Three-Piece Turn
d. Rotation of Pieces
 

90° - Multi-piece Turn

a. Four-Piece Turn
b. Welding Metals
c. Welding Passes
d. Templet for a Four-Piece Turn

Branch and Header - Equal Diameters

a. Low or High Pressure
b. Welded Header
c. Pipe Wall Thickness
d. Inside and Outside Diameters
e. Selecting the Number of Elements
f. Templet for a Branch and Header - Equal Diameters

Branch and Header - Unequal Diameters

a. Spacing of Nozzles
b. Pattern, Templet and Stretchout
c. Selection of Diameters
d. Templet for a Branch and Header of Unequal Diameters
 

Eccentric Branch and Header

a. Use of Pipe Bends, Elbows and Couplings
b. Types of Welding
c. Oxygen-Acetylene Welding
d. Templet for an Eccentric Branch and Header

Lateral Connection - Equal Diameters

a. Angle of Intersection for Branches
b. Reinforced Fittings
c. Templet for a Lateral Connection of Equal Diameters

Lateral Connections - Unequal Diameters

a. Oxygen Cylinders
b. Acetylene Cylinders
c. Pressure Regulators
d. Welding Hose
e. Welding Torch
f. Templet for a Lateral Connection of Unequal Diameters
 

60° True Wye

a. Advantages of Welding Fittings
b. Safety Procedure for Oxygen-Acetylene Welding
c. Wye Fittings
d. Templet for a 60° True Wye
 

Blunt Head

a. Welding Head
b. Square Head
c. Cutting Section for Blunt Head
d. Templet for a Blunt Head
 

Orange Peel Head

a. Design of the Arms of an Orange Peel Head
b. Forming the Orange Peel Head
c. Computing the Orange Peel Arms
d. Templet for an Orange Peel Head
 

Concentric Reducer

a. Swaged Reducers
b. True Lengths
c. Design of Welded Reducers
d. Templet for a Concentric Reducer
 

Eccentric Reducer

a. Design of an Eccentric Reducer
b. Rules for Radial Line Development
c. Templet for an Eccentric Reducer
 

Welded Combination Offset

a. Combination of Offsets
b. Classification of Welding
c. Qualifications for Pipe Welding
d. Scope of Pipe Welding
e. Templet for a Combination Offset
 

Welded Pipe Offset (Rolling Offset)

a. Proportional Reduction
b. Rise, Offset and Setback
c. Mathematical and Graphic Solution
d. Templet for a Rolling Offset
 

Vent Hoods

a. Purpose of Ventilation
b. Atmospheric Pressure
c. Design of Vent Hoods
 

Railing Intersections

a. Fitting Pipe Intersections
b. Centerlines of Intersections
c. Welding Clearance
 

Sample of Assignment

Two Braces Intersecting Main Rail of Equal Diameters
Horizontally Intersecting the Outside Circumference of a Curved Rail of Equal Diameters
Horizontally Intersecting the Inside Circumference of a Curved Rail
Vertically Intersecting a Curved Rail of Equal Diameters .
Horizontally Intersecting a Curved Rail of Unequal Diameters
Vertically Intersecting an Angular Rail .
Vertically Intersecting a Horizontal Angular Rail of 150°.
 

Appendix