General Plumbing Information - Abbreviations, etc
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Common Plumbing abbreviations
- AGA: American Gas Association
- BRS: Brass
- BTU: British Thermal Units
- CP: Chrome Plated
- CC: Center to Center
- CxC: Copper x Copper
- CFH: Cubic Feet per Hour
- CFM: Cubic Feet per Minute
- CWT: Copper Water Tube
- DC: Die Cast
- DFU: Drainage Fixture Units
- DIA: Diameter
- FCT: Faucet
- FGH: Female Garden Hose
- FHT: Female Hose Thread
- FIP: Female Iron Pipe
- FIPS: Female Iron Pipe Size
- FPT: Female Pipe Thread
- GA: Gauge
- GAL: Gallon
- GPF: Gallons Per Flush
- GPM: Gallons Per Minute
- HD: Head
- HDL: Handle
- HGT: Height
- HP: Horse Power
- HZ: Hertz
- ID: Inside Diameter
- IPS: Iron Pipe Size
- MGH: Male Garden Hose
- MHT: Male Hose Thread
- MIL: 1/1000 Inch
- MIP: Male Iron Pipe
- MIPS: Male Iron Pipe Size
- MPT: Male Pipe Thread
- NOM: Nominal
- NPS: National Pipe Straight
- NPS: Nominal Pipe Size
- NPSH: National Pipe Straight Hose
- NPSM: National Pipe Straight Mechanical
- NPST: National Pipe Straight Thread
- NPT: National Pipe Tapered
- NPTF: National Pipe Thread Fuel
- OD: Outside Diameter
- OZ: Ounce
- PB: Polished Brass
- PH: Phase (electrical)
- PH: (pH) Potential of Hydrogen
- PLN: Plain
- PSI: Pounds Per Square Inch
- PT: Point
- RPM: Revolutions Per Minute
- SF: Satin Finish
- S.J.: Slip Joint
- SPxS: Spigot by Slip
- SS: Stainless Steel
- SWT: Sweat
- THD: Thread
- UNEF: Unified National Extra Fine
- UNS: Unified National Special
to other plumbing terminologies - abbreviations
1 Foot = 0.305 meters
1 Meter = 3.281 feet
1 Meter = 39.37 inches
1 Square Meter = 10.76 sq. Feet
|
| Weights |
1 U.S. Gallon of Water
1 Cu. Foot of Water
1 Imperial Gallon
1 Liter
|
8.3357 Pounds
62.3554 Pounds
10.0 Pounds
2.2 Pounds
|
| Pressures |
1 Atmosphere
1 Atmosphere
1 Pound per Square Inch
1 Pound per Square Inch
1 Foot of Head
1 Inch of Water Column
1 Kilogram/sq. Centimeter
1 Foot of Water
|
33.94 Ft. of Water @ 62°F
14.6963 lbs./sq. Inch
2.31 Feet of Head
27.7612 Inches of Water
.433 Pounds/sq. Inch
.0360 Pounds/sq. Inch
14.22 lbs./sq. Inch
62.3554 lbs./sq. Foot
|
| Flows |
1 Gallon/Minute (U.S.)
1 Gallon/Minute (U.S.)
1 Gallon/Minute (U.S.)
1 Gallon/Minute (U.S.)
1 Gallon/Minute (U.S.)
1 Gallon/Minute (U.S.)
1 Cubic Ft. per Second
1 Liter per Second
1 Acre Inch per Hour
1 Acre Foot per Day
1,000,000 Gallons per Day
1 Cubic Ft. per Second
|
.002228 cu. ft./Second
.13368 cu. ft./Minute
8.0208 cu. ft./Hour
.06309 Liters/Second
3.78533 Liters/Minute
.0044192 Acre Ft./24 Hrs.
448.83 GPM
15.85 GPM
452.57 GPM
226.3 GPM
694.4 GPM
.992 Acre Inches/Hr.
|
| Volume |
1728 Cubic Inches
231 Cubic Inches
27 Cubic Feet
1 Cubic Foot
1 Cubic Yard
16 Drams
32 Ounces
4 Quarts
1 Gallon
1 Gallon
1 Gallon
27.154 Gallons
325,851 Gallons
1,000,000 Gallons
1 Acre Foot
Volume of a Cube
Volume of a Pyramid
Volume of a Sphere
|
1 Cubic Foot
1 Gallon
1 Cubic Yard
7.48052 Gallons (U.S.)
202 Gallons (U.S.)
1 Ounce
1 Quart
1 Gallon
3.785 Liters
.00379 Cubic Meters
.833 Imperial Gallon
1 Acre Inch
1 Acre Foot
3.0689 Acre Feet
43,560 Cubic Feet
Area of Base x Height
1/3 Area of Base x Height
Diameter Cubed x .5236
|
| Power |
|
Horse Power |
GPM x Total Head (Ft.)
3960 x Pump Efficiency
|
| Pump Efficiency |
GPM x Total Head (Ft.)
3960 x BHP to Pump |
1 Horse Power
1 Horse Power
1 Horse Power
|
33,000 Ft. Pounds/Minute
746 Watts
.746 Kilowatts
|
to other pipe flow information
|
Weight of 100' of pipe filled with water |
|
Pipe Size |
Plastic (125#) |
Iron (Sch 40) |
1"
1¼"
1½"
2"
|
57 lbs.
97 lbs.
130 lbs.
217 lbs.
|
206 lbs.
293 lbs.
360 lbs.
512 lbs.
|
Comparing Flow rate to Velocity
(in type 'L' copper) |
|
Size (Nom) |
@ 3.0'/Second |
@ 3.5'/Second |
Suggested Max.
Flow Rate |
½"
¾"
1"
1¼"
1½"
2"
|
2.2 gpm
4.5 gpm
7.5 gpm
12.0 gpm
17.0 gpm
29.0 gpm
|
2.64 gpm
5.40 gpm
9.00 gpm
14.40 gpm
20.40 gpm
34.80 gpm
|
2.2 gpm
4.8 gpm
9.0 gpm
14.4 gpm
20.4 gpm
34.8 gpm
|
to other pipe flow information
|
Water Flow Rate Guide |
Gallons Per Minute
(GPM) |
Seconds to fill
a quart jar.
|
Seconds to fill
a gallon jug.
|
0.75
1.00
1.50
2.00
2.50
3.00
3.50
4.00
5.00
6.00
10.00
12.00
15.00
20.00
|
20.00 *
15.00 *
10.00 *
7.50
5.00
4.50
4.25
3.75
3.00
2.50
1.50
1.25
1.00
0.75
|
80
60
40
30 *
24 *
20 *
17 *
15 *
12 *
10 *
6 *
5 *
4 *
3 *
|
| * most practical |
to pipe size guide
|
Head Loss per 100' - Type 'L' Copper Tubing |
|
Size |
Velocity (FPS) |
GPM |
Head Loss |
½"
¾"
1"
1¼"
1½"
2"
2½"
3"
4"
|
5
5
6
6
7
7
8
8
8
|
3.64
7.54
15.43
23.50
38.81
67.52
119.00
170.00
299.00
|
10.12
6.59
7.10
5.30
6.03
4.17
4.35
3.54
2.43
|
| Head Loss per 100' - Sch.40 PVC |
| ½" |
GPM
Head Loss
|
½
0.40'
|
1
1.28'
|
1½
2.58'
|
2
4.24'
|
2½
6.25'
|
3
8.59'
|
3½
11.25'
|
4
14.22'
|
4½
17.50'
|
5
21.07'
|
| ¾" |
GPM
Head Loss
|
1
0.35'
|
2
1.16'
|
3
2.34'
|
4
3.86'
|
5
5.71'
|
6
7.86'
|
7
10.32'
|
8
13.07'
|
9
16.10'
|
10
19.41'
|
| 1" |
GPM
Head Loss
|
2
0.35'
|
3
0.70'
|
4
1.14'
|
5
1.69'
|
6
2.32'
|
7
3.04'
|
8
3.85'
|
9
4.74'
|
10
5.71'
|
12
7.88'
|
14
10.36'
|
| 1¼" |
GPM
Head Loss
|
5
0.51'
|
6
0.70'
|
7
0.91'
|
8
1.15'
|
9
1.42'
|
10
1.71'
|
12
2.35'
|
15
3.49'
|
20
5.81'
|
25
8.65'
|
30
11.98'
|
| 1½" |
GPM
Head Loss
|
8
0.55'
|
9
0.67'
|
10
0.81'
|
12
1.12'
|
15
1.65'
|
20
2.75'
|
25
4.09'
|
30
5.65'
|
35
7.45'
|
40
9.45'
|
45
11.68'
|
| 2" |
GPM
Head Loss
|
16
0.55'
|
18
0.68'
|
20
0.82'
|
25
1.22'
|
30
1.68'
|
35
2.21'
|
40
2.80'
|
45
3.46'
|
50
4.17'
|
60
5.79'
|
70
7.63'
|
80
9.70'
|
| 2½" |
GPM
Head Loss
|
35
0.88'
|
40
1.12'
|
45
1.38'
|
50
1.66'
|
60
2.30'
|
70
3.03'
|
80
3.85'
|
90
4.75'
|
100
5.74'
|
110
6.82'
|
120
7.98'
|
130
9.22'
|
| 3" |
GPM
Head Loss
|
50
0.63'
|
60
0.87'
|
70
1.15'
|
80
1.45'
|
90
1.80'
|
100
2.17'
|
110
2.57'
|
120
3.01'
|
130
3.47'
|
140
3.97'
|
150
4.50'
|
160
5.05'
|
The above is free as a courtesy - accuracy is not guaranteed.
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