Friction head loss (ft/100 ft) in plastic pipes - PVC, PP, PE, PEH
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The friction head loss (feet H 2 O per 100 feet pipe) in straight plastic pipes made of PVC, PP, PE, PEH or similar - can be estimated from the table below. Head losses are calculated for PVC pipe Schedule 40 by using the Hazen-Williams equation and the Hazen-Williams roughness constant c = 145. Slotted Drain is a unique pipe which removes sheet flow without multiple grades or water channeling devices. The pipe is cut along a longitudinal axis, and a trapezoidal or straight-sided grate with reinforcing spacer plates is welded to form a 1 3/4 -inch-wide slot opening. Slotted upvc screen pipe size 55 (2') 65 (21/2') 80 (3'). 3.20 5.60 5.60 pvc nipple arm) price 3.50 300 200 200 250 100 rs faucet tee with bronze thread.
The friction head loss(feet H2O per 100 feet pipe) in straight plastic pipes made of PVC, PP, PE, PEH or similar - can be estimated from the table below.
Head losses are calculated for PVC pipe Schedule 40 by using the Hazen-Williams equation and the Hazen-Williams roughness constant c = 145. Note that minor loss in fittings must be added when calculating total head loss in a pipe line.
For full table with larger dimensions - rotate the screen!
3 In Pvc Pipe Fittings
| Friction Head Loss(ft H2O/100 ft pipe) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Volume Flow | Nominal Pipe Diameter (inches) | |||||||||||
| (GPM)1) | (GPH)2) | |||||||||||
| 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 | 6 | ||
| Nominal Inside Diameter (inches) | ||||||||||||
| 0.493 | 0.622 | 0.824 | 1.049 | 1.380 | 1.610 | 2.067 | 2.469 | 3.068 | 4.026 | 6.065 | ||
| 1 | 60 | 3.3 | 1.1 | 0.3 | ||||||||
| 2 | 120 | 11.8 | 3.8 | 1.0 | 0.3 | 0.1 | ||||||
| 4 | 240 | 42.5 | 13.7 | 3.5 | 1.1 | 0.3 | 0.1 | |||||
| 5 | 300 | 64.2 | 20.7 | 5.3 | 1.6 | 0.4 | 0.2 | |||||
| 6 | 360 | 29.0 | 7.4 | 2.3 | 0.6 | 0.3 | ||||||
| 8 | 480 | 49.5 | 12.6 | 3.9 | 1.0 | 0.5 | 0.1 | |||||
| 10 | 600 | 74.7 | 19.0 | 5.9 | 1.6 | 0.7 | 0.2 | 0.1 | ||||
| 20 | 1200 | 68.6 | 21.2 | 5.6 | 2.6 | 0.8 | 0.3 | 0.1 | ||||
| 30 | 1800 | 11.8 | 5.6 | 1.7 | 0.7 | 0.2 | ||||||
| 40 | 2400 | 20.1 | 9.5 | 2.8 | 1.2 | 0.4 | 0.1 | |||||
| 50 | 3000 | 14.4 | 4.3 | 1.8 | 0.6 | 0.2 | ||||||
| 60 | 3600 | 20.1 | 6.0 | 2.5 | 0.9 | 0.2 | ||||||
| 70 | 4200 | 7.9 | 3.3 | 1.2 | 0.3 | |||||||
| 80 | 4800 | 10.2 | 4.3 | 1.5 | 0.4 | |||||||
| 90 | 5400 | 12.6 | 5.3 | 1.9 | 0.5 | |||||||
| 100 | 6000 | 6.5 | 2.3 | 0.6 | 0.1 | |||||||
| 125 | 7500 | 9.8 | 3.4 | 0.9 | 0.1 | |||||||
| 150 | 9000 | 4.8 | 1.3 | 0.2 | ||||||||
1) GPM = US gallons per minute
3 Inch Diameter Pvc Pipe
2) GPH = US gallons per hour
3 Inch Slotted Pvc Pipe
- 1 US gallon/min = 6.30888x10-5 m3/s = 0.227 m3/h = 0.0631 dm3(liter)/s = 2.228x10-3 ft3/s = 0.1337 ft3/min = 0.8327 Imperial gal (UK)/min
- 1 ft H2O = 0.3048 m H2O = 0.4335 psi = 62.43 lbs/ft2
Example - Friction Head Loss in a Plastic Pipe
A flow of 10 GPM in a 2' pipe gives a head loss of 0.2 feet water column per 100 feet of pipe.
Related Topics
- Fluid Flow and Pressure Loss - Pipe lines - fluid flow and pressure loss - water, sewer, steel pipes, pvc pipes, copper tubes and more
Related Documents
- ASTM D1785 and ASTM F441 - PVC and CPVC Pipes Schedule 40 & 80 - Standard dimensions and weight of PVC - Polyvinyl Chloride - and CPVC - Chlorinated Polyvinyl Chloride
- ASTM D2241 - Poly(Vinyl Chloride) (PVC) Pressure-Rated Pipe (SDR Series) - Dimensions - Dimensions of PVC pipe SDR series
- ASTM D2846 - CPVC Plastic Hot and Cold Water Distribution Tubes - Dimensions - Dimensions of CTS - Copper Tube Sized CPVC (Chlorinated Poly Vinyl Chloride) tubes
- ASTM F2389 Pressure-rated Polypropylene (PP) - Dimensions - Dimensions of pressure rated PP pipes according ASTM F2389
- ASTM F876 - PEX Tube - Dimensions - Dimensions of PEX tubes
- BS 7291 - Thermoplastics pipes for hot and cold water - dimensions - Dimensions of thermoplastic pipes - PEX and PB according BS 7291
- CPVC Pipes - Operating and Collapsing Pressure Ratings - Maximum operating and bursting pressures of CPVC - Chlorinated Poly (Vinyl Chloride) - piping systems
- Hazen-Williams Coefficients - Hazen-Williams coefficients for piping materials
- Hazen-Williams Equation - calculating Head Loss in Water Pipes - Friction head loss (ftH2O per 100 ft pipe) in water pipes can be estimated with the empirical Hazen-Williams equation
- ISO 11922 - Thermoplastics pipes for the conveyance of fluids - Dimensions - Dimensions of plastic pipes according ISO 11922 - metric and imperial units
- Lined Pipes and Pressure Drop - Pressure drop diagrams for PTFE, PP, PFA and PVDF lined pipes
- PE - PolyEthylene Pipes, Flow and Pressure Loss - Water flow in SDR pressure rated PE-pipes - pressure loss and velocities - Imperial and SI units
- PE Pipes - Pressure Ratings - Water pressure ratings for schedule 40 and schedule 80 Polyethylene plastic pipes
- PE Pipes - Temperature and Pressure Ratings - PolyEthylene pipe - temperature and maximum operating pressure
- Plastic Pipes Operating Temperatures - ABS, PE, PVC, CPVC, PB, PP and SR - pressure and operating temperatures
- Plastics - Recycling Codes and Labels - Symbols used for recycling plastic products like bottles, containers and packaging
- PP - Polypropylene - Chemical Resistance - Chemical resistance of Polypropylene - PP - to acids, bases, organic substances and solvents
- PP Pipes - Support Spacing - Maximum distance between PolyPropylene pipes supports
- PVC - Friction Loss in Fittings and Equivalent Length - Minor loss in PVC and CPVC fittings as equivalent length of straight pipe
- PVC Pipes - Friction Loss and Flow Velocities Schedule 40 - Water flow in thermoplastic PVC and CPVC pipes Schedule 40 - friction loss (ft/100 ft, psi/100 ft) and flow velocities at dimensions ranging 1/2 to 16 inches
- PVC Pipes Schedule 40 - Friction loss and Velocity Diagrams - Friction loss (psi/100 ft) and velocity for water flow in plastic PVC pipe schedule 40
- Resistance and Fittings Equivalent Length in Hot Water Systems - Equivalent length of fittings like bends, returns, tees and valves in hot water heating systems - equivalent length in feet and meter
- SDR - Standard Dimension Ratio and S - Pipe Series - It is common to use the Standard Dimension Ratio - SDR - as method of rating pressure piping
- Thermoplastic Pipes - Temperature and Support Distance - Maximum space between supports for PVC, CPVC, PVDF and PP pipes
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