Contents
3
Introduction
Steam Trap Functional Requirements
4
Operation, Advantages, Disadvantages
and Primary Applications
5
Chapter 1
Selection Guide Chart
10
4-Step Method for Sizing
11
Helpful Hints, Formulas and Conversion Factors
12
Properties of Saturated Steam
13
Steam Flow in Pipes
15
Condensation in Pipes
15
Chapter 2
Flash Steam Explanation and Calculation
16
Operating Pressure Limits
17
Installation and Calculating Differential Pressure 18
Drip Traps for Distribution Pipes
20
Chapter 3
Selecting Traps for Heat Exchangers
24
Lock-out Traps for Start-up Loads
27
Draining Condensate to Overhead Returns
28
Draining Submerged Coils
29
Jacketed Kettles
30
Cylinder Dryers
31
Unit Heaters
31
Steam Radiators
32
Typical Piping for Steam Heating
33
Trapping Steam Tracer Lines
39
Chapter 4
4-Step Method for Sizing Steam Lines
40
4-Step Method for Sizing Return Lines
42
Chapter 5
Testing Steam Traps
43
Chapter 6
Definition of Heating Terms
46
