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# Insulated Steam Pipes - Condensate Generated (kg/h per 100m)

The diagram and table below can be used to indicate condensate generated due to heat loss in insulated steam pipes.

Insulated Steam Pipes - Condensate Generated vs. Steam Pressure
Steam Pressure
(bar)

Condensate Generation (kg/h per 100 m)
Pipe Size (mm)
506580100125150200250300
0.7 9 10 13 16 19 24 30 36 44
2 11 13 16 20 24 29 37 46 55
4 15 18 21 28 37 42 51 63 75
7 18 22 26 32 41 48 60 75 89
12 24 28 34 39 49 57 79 99 117
16 29 35 43 54 67 80 99 123 147
20 31 38 46 57 71 83 105 131 155
28 34 41 50 63 78 92 117 145 173
35 41 50 59 74 92 110 137 172 204
42 45 59 66 83 103 124 155 193 229
• 1 inch = 25.4 mm

The table is based on a surrounding temperature of 20 oC and 80% insulation efficiency compared with uninsulated pipes.

At a surrounding temperature -20 oC approximately 50% condensate load should be added.

## Related Topics

### • Insulation and Heat Loss from Steam and Condesate Pipe Lines

Heat loss from uninsulated and insulated steam and condensate pipes and tanks. Calculate insulation thicknesses.

### • Steam and Condensate

Design of steam & condensate systems with properties, capacities, sizing of pipe lines, system configuration and more.

## Related Documents

### Condensate Generated in Cold Steam Pipes - SI Units

Huge amounts of condensate are generated when cold steam pipes are heated up must be drained from the pipes.

### Condensate Generated in Cold Steam Pipes - Sizing of Steam Traps

When cold steam pipes are heated up they generate huge amounts of condensate that must be drained away from the pipe through steam traps - in Imperial Units.

### Condensate Pipe Lines - Friction Resistance Imperial Units

Friction or major resistance in condensate pipe lines.

### Condensate Pipe Lines - Sizing

Flow and pressure loss in condensate return lines - SI Units.

### Condensate Pipes - Flash Steam Generated

Calculate flash steam generation in condensate pipe lines.

### Condensate Pumping

High temperatures and danger of impeller cavitation is the major challenge for condensate pumping in steam systems.

### Insulated Steam Pipes - Condensate Generated

Heat loss from steam pipes generates condensate which must be drained from the system - imperial units.

### Pipes and Equipment - Identification Labels

Tags and label colors used for mechanical, plumbing and piping systems.

### Steam - Condensate Pipe Lines - Capacities (kW)

Maximum capacities for condensate pipe lines in kW steam consumption.

### Steam - Gravity Return Condensate Pipes - Capacities

Max. capacities (lb/hour) in gravity condensate return lines.

### Steam Pipes - Installation of Drip Legs

Properly draining steam pipes for condensate.

### Steam Pipes - Sizing

Sizing of steam pipe lines - major and minor loss in steam distribution systems.

### Steam Trap Selection Guide

Steam trap selection guide - Float & Thermostatic, Inverted Bucket, Bimetal Thermostatic, Impulse and Thermodynamic Disc steam traps.

### Steam Traps - Safety Factors

Selection of steam traps and their safety factors.

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