Gas Supply And Piping; Gas Pipe Size - Hayward H150 Installation, Operation And Service Manual

Gas supply and piping:

Refer to the charts on Figure 20 for gas pipe sizing for low pressure natural gas, low pressure single propane gas and high pres-
sure two stage propane gas systems.

Gas Pipe Size:

Follow local gas codes for proper gas Hoe material selection (copper, Iron or plastic pipe etc.)
New Figure 20 for Manual 1302704001 rev F, page 11
VEW 2/7/2013
Distance f rom G as
Meter t o H eater G as
Valve I nlet
0 t o 5 0 f t
50 t o 1 00 f t
100 t o 2 00 f t
200 t o 3 00 f t
Based u pon a n i nlet g as p ressure o f 0 .5 p sig o r l ess a t a p ressure d rop o f 0 .5 i n-­‐wc
Distance f rom T ank
Regulator O utlet t o
Heater G as V alve
Inlet
0 t o 5 0 f t
50 t o 1 00 f t
100 t o 2 00 f t
200 t o 3 00 f t
Based u pon a n i nlet g as p ressure o f 1 1 i n-­‐wc a t a p ressure d rop o f 0 .5 i n-­‐wc
Distance f rom
Outlet o f 1 st S tage
Regulator t o I nlet o f
2nd S tage R egulator
0 t o 5 0 f t
First S tage
50 t o 1 00 f t
*
100 t o 1 50 f t
Second
0 t o 1 0 f t
Stage * *
* B ased u pon a n i nlet g as p ressure o f 2 p sig a t a p ressure d rop o f 1 p si
** B ased u pon a n i nlet g as p ressure o f 1 0 i n-­‐wc a t a p ressure d rop o f 0 .5 i n-­‐wc
Distance f rom T ank
Regulator O utlet t o
Heater G as V alve
Inlet
0 t o 5 0 f t
First S tage
50 t o 1 00 f t
*
100 t o 1 50 f t
Second
0 t o 1 0 f t
Stage * *
* B ased u pon a n i nlet g as p ressure o f 1 0 p sig a t a p ressure d rop o f 1 p si
** B ased u pon a n i nlet g as p ressure o f 1 1 i n-­‐wc a t a p ressure d rop o f 0 .5 i n-­‐wc
Natural Gas Pipe Sizing, Low-Pressure, Single-Stage Regulation
Model H150
btu/hr
150,000 200,000
input
Line Iron o r P lastic Iron o r P lastic
Material Pipe
¾"
1"
1 ¼ "
1 ¼ "
Propane Gas Pipe Sizing, Low-Pressure, Single-Stage Regulation
Model H150
btu/hr
150,000 200,000
input
Line Iron Iron
Tubing
Material Pipe Pipe
¾" ⅞" ¾"
¾" 1 ⅛ " 1"
1" 1 ⅛ " 1"
1" -­‐-­‐-­‐ 1 ¼ "
Natural Gas Pipe Sizing, High-Pressure, 2-Stage Regulation
Model H150
btu/hr
150,000 200,000
input
Line Iron o r P lastic Iron o r P lastic
Material Pipe
½"
½"
½"
¾"
Propane Gas Pipe Sizing, High-Pressure, 2-Stage Regulation
Model H150
btu/hr
150,000 200,000
input
Line Iron Iron
Tubing
Material Pipe Pipe
½" ½" ½"
½" ½" ½"
½" ½" ½"
½" ⅝" ½"
H200 H210
210,000
Iron o r P lastic Iron o r P lastic
Pipe Pipe
1" 1"
1" 1 ¼ "
1 ¼ " 1 ¼ "
1 ¼ " 1 ½ "
H200 H210
210,000
Iron Iron
Tubing Tubing
Pipe Pipe
⅞" 1" 1 ⅛ " 1"
1 ⅛ " 1" 1 ⅛ " 1"
-­‐-­‐-­‐ 1 ¼ " -­‐-­‐-­‐ 1 ¼ "
-­‐-­‐-­‐ 1 ¼ " -­‐-­‐-­‐ 1 ¼ "
H200 H210
210,000
Iron o r P lastic Iron o r P lastic
Pipe Pipe
½" ½"
½" ½"
½" ½"
¾" ¾"
H200 H210
210,000
Iron Iron
Tubing Tubing
Pipe Pipe
½" ½" ½" ½"
½" ½" ½" ½"
½" ½" ½" ½"
⅝" ½" ¾" ½"
SECTION 3. INSTALLATION
H250 H300
250,000 300,000
Iron o r P lastic Iron o r P lastic
Pipe Pipe
1" 1 ¼ "
1 ¼ " 1 ¼ "
1 ¼ " 1 ½ "
1 ½ " 2"
H250 H300
250,000 300,000
Iron Iron
Tubing Tubing
Pipe Pipe
1 ⅛ " 1" 1 ⅛ "
1 ⅛ " 1" -­‐-­‐-­‐ 1 ¼ "
-­‐-­‐-­‐ 1 ¼ " -­‐-­‐-­‐ 1 ¼ "
-­‐-­‐-­‐ 1 ¼ " -­‐-­‐-­‐ 1 ¼ "
H250 H300
250,000 300,000
Iron o r P lastic Iron o r P lastic
Pipe Pipe
½" ½"
½" ½"
½" ¾"
¾" ¾"
H250 H300
250,000 300,000
Iron Iron
Tubing Tubing
Pipe Pipe
½" ½" ½"
½" ½" ½"
½" ½" ⅝"
¾" ¾" ¾"
H350 H400
350,000 400,000
Iron o r P lastic
Pipe Pipe
1 ¼ " 1 ¼ "
1 ¼ " 1 ¼ "
1 ½ " 1 ½ "
2" 2"
H350 H400
350,000 400,000
Iron
Tubing Tubing
Pipe
1" 1 ⅛ " 1" -­‐-­‐-­‐
-­‐-­‐-­‐ 1 ¼ " -­‐-­‐-­‐
-­‐-­‐-­‐ 1 ¼ " -­‐-­‐-­‐
-­‐-­‐-­‐ 1 ½ " -­‐-­‐-­‐
H350 H400
350,000 400,000
Iron o r P lastic
Pipe Pipe
½" ½"
¾" ¾"
¾" ¾"
¾" ¾"
H350 H400
350,000 400,000
Iron
Tubing Tubing
Pipe
½" ½" ½" ½"
½" ⅝" ½" ⅝"
½" ⅝" ½" ⅝"
¾" ⅞" ¾" ⅞"
11