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Gas Pipe Sizing H2
Gas Pipe Sizing H2
Work out sheet
Gas Pipe Sizing Calculator
Natural Gas
Propane
Butane
Hydrogen
pipe type
gas type density
insert your information in the yellow boxes
KW net / Gross / M3/Hr
Number
Pipe Size
35mm Copper Pipe
32mm Copper Pipe
28mm Copper Pipe
22mm Copper Pipe
15mm Copper Pipe
12mm Copper Pipe
10mm Copper Pipe
8mm Copper Pipe
1.1/4 inch steel pipe
1 inch steel pipe
3/4 inch steel pipe
1/2 inch steel pipe
3/8 inch steel pipe
1/4 inch steel pipe
40mm PE pipe
32mm PE pipe
25mm PE pipe
20mm PE pipe
16mm PE pipe
mm
kWgross
kW
45 Form Bends
kWnett
kW
90 Form Bends
Gas Rate
m3/hr
m3/hr
m3/hr
90 elbows
kWgross
kW
tee flow entering branch
Length
m
kWnet
kW
tee flow exiting branch
M3/hr
m3/hr
Actual Pipe Length
m
Pressure Drop
mb
PRESSURE LOSS FROM THE METER TO THE APPLIANCES MUST BE CALCULATED TO CONFIRM IF IT IS WITHIN THE ALLOWABLE PRESSURE DROPS 1MB FOR NATURAL GAS / 2MB FOR L.P.G.
STEP1
. Appliances
Maximum Heat input kw net
Maximum Gas Rate
STEP 4
. Add the pipework section pressure drops from the meter to each applaince
TOTAL PRESSURE DROP MB
SATISFACTORY?
STEP 2
. SKETCH THE PIPE WORK LAYOUT INDICATING PIPE LENGTHS AND LABELS I.E. A-B, B-C,
STEP 3. PIPEWORK SECTION
MAXIMUM HEAT INPUT NET
MAXIMUM FLOW RATE
ESTIMATED PIPE SIZE
PIPE LENGTH
FITTINGS
EQIVILENT LENGTH
TOTAL EQUIVILENT LENGTH
PRESSURE LOSS / METRE
PRESSURE LOSS
YOUR LABEL
COLUMN A FROM THE TABLES
COLUMN A FROM THE TABLES
MM
METRES
TYPE
METRES FROM TABLE B
ADD PIPE LENGTH AND FITTINGS LENGTH
MBAR/M FROM TABLE A
MULTIPLY EQUIVILENT LENGTH BY PRESSURE LOSS
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