Steam Conversion Charts

Steam Conversion Charts

🔧 Handy Steam Conversion Charts

🔥 Boiler Horsepower (BHP) Conversions

Unit

Equivalent

1 Boiler HP

= 33,475 BTU/hr

1 Boiler HP

= 34.5 lbs of steam/hr

1 Boiler HP

≈ 0.069 GPM condensate

1 Boiler HP

= 1 gallon (for feed tank sizing)

 

💧 Steam to Water Conversions

Unit

Equivalent

1 lb of steam

≈ 1,000 BTU released (latent heat)

1 gallon of water

= 8.34 lbs

1 GPM

= 500 lbs/hr of condensate

 

🌡️ Saturated Steam Pressure & Temperature

Pressure (PSIG)

Temp (°F)

0 (Atmospheric)

212°F

2

219°F

5

227°F

10

240°F

15

250°F

30

274°F

60

307°F

 

⚙️ Pressure to Head Conversion

PSI

Feet of Head

1 PSI

= 2.31 ft

5 PSI

= 11.55 ft

10 PSI

= 23.1 ft

 

📏 Condensate Pipe Sizing (Low Pressure Return)

Condensate Flow (lbs/hr)

Suggested Pipe Size

Up to 1,500

¾"

1,500–3,000

1"

3,000–6,000

1¼"

6,000–10,000

1½"

10,000–15,000

2"


*CLICK ON ATTACHMENTS FOR PRINTABLE STEAM PRESSURE/TEMPERATURE CHART*

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