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PIPE FITTER TRAININGMODULE
TOPICS
1.1 LINEAR MEASUREMENTS
.
1.2 CONVERSION OF UNITS
1.3 BASIC GEOMETRY.
1.5 SOLVING FOR SIMPLE OFFSET 45 °
.1.7 SOLVING FOR 90° ELBOW L.R.
1.8 SOLVING FOR 45° ELBOW
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1.1 LINEAR MEASUREMENTS
ENGLISH SYSTEM
116
316
516
716
916
1116
1316
1516
1 2
18
28
38
58
68
78
1 2 3 4 5 28 3029 31
1211
mm
inch
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1.1 LINEAR MEASUREMENTS
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1.1 LINEAR MEASUREMENTS
METER TAPE READING
METRIC SYSTEMWHAT IS THE MEASUREMENT ?
EXAMPLE 1
ANSWER : 18 mm
mm
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1.1 LINEAR MEASUREMENTS
METER TAPE READING
METRIC SYSTEM
EXAMPLE 2
ANSWER : 30 mm
mm
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1.1 LINEAR MEASUREMENTS
METER TAPE READING
ENGLISH SYSTEM
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1.1 LINEAR MEASUREMENTS
METER TAPE READING
ENGLISH SYSTEM WHAT IS THE MEASUREMENT ?
EXAMPLE 1 ANSWER : 6 1/8 in.
116
316
516
716
916
1116
1316
1516
1 2
18
28
38
58
68
78
3 4 5 6 7 8inch
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1.1 LINEAR MEASUREMENTS
METER TAPE READING
ENGLISH SYSTEM WHAT IS THE MEASUREMENT ?
EXAMPLE 2 ANSWER : 5 1/2 in.
116
316
516
716
916
1116
1316
1516
1 2
18
28
38
58
68
78
3 4 5 6 7 8inch
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1.2 CONVERSION OF UNITS
CONVERSION FACTOR
1 Meter = 3.28 Feet1 Meter = 39.37 Inches
1 Meter = 100 Centimeters
1 Meter = 1000 Millimeters
1 Foot = 12 Inches
1 Inch = 2.54 Centimeters
1 Centimeter = 10 Millimeters
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1.2 CONVERSION OF UNITS
ENGLISH – ENGLISH – ENGLISH –
FRACTION (INCH) DECIMAL (INCH) (MILLIMETER)
1. 1/16 0.0625 1.6
. . .
3. ¼ 0.25 6.4
4. 3/8 0.375 9.8
5. ½ 0.50 12.7
6. 5/8 0.625 16.0
. . .
8. 7/8 0.875 22.2
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. . .
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1.2 CONVERSION OF UNITS
CONVERSION FACTOR
=1 kilograms 1000 grams = 2.2 pounds
= =
LI UID
1 gallon = 3.785 liters
1 Kilo ascals kPa = 6.894 ounds-force er inch si
PRESSURE
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1.2 CONVERSION OF UNITS
1. How many feet are there in 5 meters?
5 meters = _______ feet
feet feet
x m 4.1628.3
5 m
.
15 feet = _______ meters
m feet
m x feet 57.428.3
115
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1.2 CONVERSION OF UNITS
3. How many inches are there in 75 centimeters?
cen me ers = _______ nc es
in1
cm54.2
.
100 inches = _______ inches
cmin
cm xin 2541
54.2100
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1.2 CONVERSION OF UNITS
5. How many inches are there in 8 Meters?
e ers = _______ nc es
in37.39
m.
1
.
50 Inches = _______ meter
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1.2 CONVERSION OF UNITS
7. How many centimeters are there in 50 meters?
me ers = _______ cen me ers
cm100
m,
1
8. How many meters are there in 250 centimeters?
250 centimeters = _______ meters
m cm
m x cm 50.2
100
1250
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1.2 CONVERSION OF UNITS
9. How many millimeters are there in 10 meters?
me ers = _______ m me ers
mm1000
m,
1
.
100 millimeters = _______ meters
m mm m x mm 10.0
10001100
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1.2 CONVERSION OF UNITS
13.How many millimeters are there in 3 centimeters?
cen me ers = _______ m me ers
mm10
cm1
14.How many centimeters are there in 50 millimeters?
50 millimeters = _______ centimeters
cm mm
cm x mm 5
10
150
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1.3 BASIC GEOMETRY
° 0°
N
90°270° 90°270°W E
180°
180°
S
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1.4 BASIC TRIGONOMETRIC/ SOLID MENSURATION
BASIC TRIGONOMETRIC FUNCTION
c² = a² + b²22
bac +=
b c a² = c² - b²
b² = c² - a² 22 acb −=
22
ca −=
a
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1.4 BASIC TRIGONOMETRIC/ SOLID MENSURATION
BASIC TRIGONOMETRIC FUNCTION
90°60°
45° 45° 30°90°
badjacent
c
a
hypotenuse
opposite
==
==
θ
θ
cos
sin
opposite
θ
b
a
adjacent
opposite==θ tan
a
adjacent
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1.4 BASIC TRIGONOMETRIC/ SOLID MENSURATION
BASIC TRIGONOMETRIC FUNCTION
c² = a² + b²22
bac +=
b c a² = c² - b²
b² = c² - a² 22 acb −=
22
ca −=
a
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1.4 BASIC TRIGONOMETRIC/ SOLID MENSURATION
BASIC TRIGOMETRIC FUNCTION
b = 4 c = ? b = 4
c = 5 b = ? c = 5
a =3 a =? a =3
² = ² ² a² = c² - b²
a² = 5² - 4² b² = 5² - 3²
c² = 3² + 4²
54322=+=c 345
22=−=a
= -
43522=−=b
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1.4 BASIC TRIGONOMETRIC/ SOLID MENSURATION
b
a
Square Circle
bc
Triangle
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1.4 BASIC TRIGONOMETRIC/ SOLID MENSURATION
Square Circle
b1 b2
Triangle Trapezoid
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1.5 SOLVING FOR SIMPLE OFFSET 45 °
c(a)
FORMULA :
(b)
FOR 45 DEG.ELBOW:
SET = RUN
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1.6 SOLVING FOR ROLLING OFFSET
:
INTRODUCTION:
OFFSET WHICH IS ROLLED OVER TO FORM A DISTANCE CALLED
“R OLL”. TH IS IDEA IS VERY USEFUL IN DETER MINING THE
NUMBER OF DEGREES OF THE BEND OR ELBOW TO BE USED.
SET
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1.6 SOLVING FOR ROLLING OFFSET
FORMULA :
A
O L L
A = ROLL 2 + SET 2
TRAVEL
SET TRAVEL = A x 1.414
RUN = A x 1 A N G L
RUN =
NOTE :
45 ° fitting
1 = cotangent of angle of 45 °
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fitting
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1.6 SOLVING FOR ROLLING OFFSET
EXAMPLE :
The roll of a 45 ° offset is 8 in. and the set is 15 in. Findthe len th of the travel and run.
FORMULA :
A = ROLL 2 + SET 2 A = 8 2 + 15 2 = 17 in.
TRAVEL = A x 1.414
=
TRAVEL = 17 x 1.414 = 24 1 / 32 in.
= =
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.
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WHEN THE RE UIRED BEND FOR SIMPLE OR ROLLING OFFSET IS
1.7 SOLVING FOR TAKE-OFF ELBOW L.R.
NOT AVAILABLE, IT CAN BE FABRICATED FROM A 90 o LONGRADIUS WELD ELBOWS. TO FABRICATE CUT-ELBOW (FROM 90 o LR
ELBOW). THE FOLLOWING PROCEDURE CAN BE USEFUL.
I. KNOW THE ACTUAL O.D. OF THE PIPE OR FITTING USED.
REMEMBER THAT NOMINAL PIPE SIZES 12" Ø AND BELOWHAVE THEIR DESIGNATED O.D. ’s .
II . DETERMINE THE TAKE OFF RADIUS (TOR) OF THE 90 LR ELBOWUSED AND CALCULATE THE INSIDE AND OUTSIDE RADII.
WHERE: OD = OUTSIDE DIAMETER
IR = INSIDE RADIUS = TOR – (½ OD)OR = OUTSIDE RADIUS = TOR + ½ OD
OD
TOR = TAKE OFF RADIUS = 1.5 x D (NPS)
TOR
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FORMULA FOR TAKE-OFF ELBOW – L.R.
1.7 SOLVING FOR 90° ELBOW L.R.
1. 90° ELBOW – LONG
RADIUS” . – . . : =
8” ENGLISHX 1.5 mmENGLISH
B. METRIC SYSTEM USE - 38.112.00
B. EXAMPLE : SIZE OF PIPE=8”
8” METRIC
.
304.8 mm.
•CHECKING:
12” =
12” = 12”
304.8
25.4
12” x = 304.8mm25.4 mm1”
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. .
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1.8 SOLVING FOR 45° ELBOW
45° ELBOW
A. ENGLISH SYTEM : USE 0.625” ( INCH) = USE ALL SIZE OF PIPE) K E
- O F F
B. METRIC SYSTEM : USE 15.875 (mm) USE ALL SIZE OF PIPE
EXAMPLE :
ENGLISH SYSTEM METRIC SYSTEM
8 “ SIZE OF PIPE
X 0.625
5”
8 “ SIZE OF PIPE
X 15.875
TAKE-OFF
127 mmEXAMPLE
0.625 ENGLISH SYSTEM
x 25.4
FORMULA :
15.875 METRIC SYSTEM
.
DIAMETER X15.875 (METRIC)
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PIPE FITTER TRAINING MODULE
TOPICS
2.1 ORTHOGRAPHIC DRAWINGS
2. BLUE PRINT READING
, ,
2.2 ISOMETRIC DRAWINGS & DETAILS
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2.1 ORTHOGRAPHIC DRAWINGS
(PLANS, ELEVATION, & SECTION)
Line Types
on nuous ne
Center Line
Dimension Line
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2.1 ORTHOGRAPHIC DRAWINGS
(PLANS, ELEVATION, & SECTION)
Linetypes
• Visible
• Hidden
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2.1 ORTHOGRAPHIC DRAWINGS
(PLANS, ELEVATION, & SECTION)
Three Primary Views
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2.1 ORTHOGRAPHIC DRAWINGS
(PLANS, ELEVATION, & SECTION)
Glass Box concept
• Envision the object
surrounded in a glass
box
onto the pieces of glass
• Each pane shows a 2D
projection of the object
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2.1 ORTHOGRAPHIC DRAWINGS
(PLANS, ELEVATION, & SECTION)
Projection Planes
The three panes of glass represent the principal
orthographic planesHorizontal
Frontal
Profile
Each plane illustrates two of the principal dimensions:
Height, Width, and Depth
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2 2 ISOMETRIC DRAWINGS & DETAILS
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2.2 ISOMETRIC DRAWINGS & DETAILS
PLAN
ISOMETRIC VIEW
ELEVATION RIGHT SIDE
VIEW
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2 2 ISOMETRIC DRAWINGS & DETAILS
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2.2 ISOMETRIC DRAWINGS & DETAILS
90° Elbow use take off 1.5 = English90° Elbow use take off 38.1 = Metric L.R.
45° Elbow use take off 0.625 = English System
45° Elbow use take off 15.875 = Metric System8 IN DIA.
8 x 3/4
Ex. 8"Ø
90° Elbow
long radius
Ex.To get
90° Take Off &
45° Elbow
End of ElbowNote: All(size) B. weld
type fittings.
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2 2 ISOMETRIC DRAWINGS & DETAILS
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2.2 ISOMETRIC DRAWINGS & DETAILS
° -
ISOMETRICBOX
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PIPE FITTER TRAINING MODULE
TOPICS
3. STANDARD TRADE SYMBOLS
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3 STANDARD TRADE SYMBOLS
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SYMBOLS OF PIPE ORTHOGRAPHIC & MEANING
3. STANDARD TRADE SYMBOLS
90 ° ELBOW UP
TEE DOWN
90 ° ELBOW DOWN
°
TEE UP
45 ° ELBOW DOWN
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3 STANDARD TRADE SYMBOLS
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EXAMPLE FOR INDICATION OF PIPE FITTINGS BUTT WELD TYPE
3. STANDARD TRADE SYMBOLS
PLAN SIDE VIEW ISOMETRICPIPE
SIZEITEM
.
NPS
and
Smaller 90°
Elbow
16 in.
NPS
and
Larger
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3 STANDARD TRADE SYMBOLS
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EXAMPLE FOR INDICATION OF PIPE FITTINGS BUTT WELD TYPE
3. STANDARD TRADE SYMBOLS
PLAN SIDE VIEW ISOMETRICPIPE
SIZEITEM
45°N
45°
Elbow
.
NPS
and
Smaller 45°45°
16 in.
NPS
45°
Line
Thickness0.3mm
and
Larger
45°
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3 STANDARD TRADE SYMBOLS
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EXAMPLE FOR INDICATION OF PIPE FITTINGS BUTT WELD TYPE
3. STANDARD TRADE SYMBOLS
PLAN SIDE VIEW ISOMETRICPIPE
SIZEITEM
* For reducing tees,
sizes shall beindicated.
.
NPS
and
Smaller Tee
” ”* ” ”
16 in.
NPS* ” ”
x
* ” ”and
Larger
*18” x 14”
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3 STANDARD TRADE SYMBOLS
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EXAMPLE FOR INDICATION OF PIPE FITTINGS BUTT WELD TYPE
3. STANDARD TRADE SYMBOLS
PLAN SIDE VIEW ISOMETRICPIPE
SIZEITEM
*6” x 4”*6” x 4”
.
NPS
and
Smaller
Con-
centric
and *4” x 3”*4” x 3”*6” x 4”
*6” x 4”
16 in.
NPS
Eccen-
tric
Redu-
*20” x 18”
*20” x 18”
and
Larger * Indicate double
line for eccentric*18” x 14”
*20” x 18”
*20” x 18” *18” x 14”
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3 STANDARD TRADE SYMBOLS
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EXAMPLE FOR INDICATION OF PIPE FITTINGS BUTT WELD TYPE
3. STANDARD TRADE SYMBOLS
PLAN SIDE VIEW ISOMETRICPIPE
SIZEITEM
.
NPS
and
Smaller
N
16 in.
NPS
and
Larger
EEI CORPORATION
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3. STANDARD TRADE SYMBOLS
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EXAMPLE FOR INDICATION OF PIPE FITTINGS BUTT WELD TYPE
3. STANDARD TRADE SYMBOLS
PLAN SIDE VIEW ISOMETRICPIPE
SIZEITEM
.
NPS
and
Smaller
12” x 4”
16 in.
NPS
-
and
Larger 28” x 16”
EEI CORPORATION
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3. STANDARD TRADE SYMBOLS
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3. STANDARD TRADE SYMBOLS
EXAMPLE FOR INDICATION OF PIPE FITTINGS
(THREADED TYPE )
90°
Elbow
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3. STANDARD TRADE SYMBOLS
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EXAMPLE FOR INDICATION OF PIPE FITTINGS
(THREADED TYPE )
45°
N
45°
Elbow45°
45°
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3. STANDARD TRADE SYMBOLS
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EXAMPLE FOR INDICATION OF PIPE FITTINGS
(THREADED TYPE )
* For reducing tees,
sizes shall be
indicated.
NTee
* 1” x 3/4” * 1” x 3/4”
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3 STANDARD TRADE SYMBOLS
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EXAMPLE FOR INDICATION OF PIPE FITTINGS
(THREADED TYPE )
* For reducing tees,
sizes shall be
indicated.
NCoupling
* 1” x 3/4”
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3. STANDARD TRADE SYMBOLS
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EXAMPLE FOR INDICATION OF PIPE FITTINGS
(THREADED TYPE )
N
Union
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3. STANDARD TRADE SYMBOLS
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EXAMPLE FOR INDICATION OF PIPE FITTINGS
(THREADED TYPE )
N
Cap
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3. STANDARD TRADE SYMBOLS
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PIPE JOINT SYMBOL
- WELDED JOINT
- SOLDERED
- BELL & SPIGOT
- SCREWED
- FLANGE
- SOCKET WELD
- BUTT WELD
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3. STANDARD TRADE SYMBOLS
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VALVES
- BALL VALVE - CONTROL VALVE
- GLOBE VALVE
- CHECK VALVE
- DIAPHRAGM VALVE
- PLUG VALVE
- GATE VALVE
- NEEDLE VALVE
- BUTTERFLY VALVE
-
- SAFETY RELIEF VALVE
- ANGLE VALVE
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