PVC Pipes - Equivalent Length and Pressure Loss in Fittings
Minor loss for PVC and CPVC fittings as Equivalent Length of Straight Pipe (feet) for water:
For full table with larger dimensions - rotate the screen!
| Fitting | Equivalent Length (feet of Straight Pipe) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Pipe Size (inches) | ||||||||||||||
| 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | |
| 90o Elbow | 1.6 | 2.1 | 2.6 | 3.5 | 4.0 | 5.2 | 6.2 | 7.7 | 10.1 | 12.6 | 15.2 | 20 | 25.1 | 30 |
| 45o Elbow and 90o Long Sweep Radius Elbow | 0.8 | 1.1 | 1.4 | 1.8 | 2.2 | 2.8 | 3.3 | 4.1 | 5.1 | 6.7 | 8.1 | 10.6 | 13.4 | 15.9 |
| Gate valve, fully open | 0.4 | 0.6 | 0.7 | 0.9 | 1.1 | 1.4 | 1.7 | 2.0 | 2.7 | 3.4 | 4 | 5.3 | 6.7 | 8 |
| Tee Flow - Run | 1.0 | 1.4 | 1.7 | 2.3 | 2.7 | 3.5 | 4.1 | 5.1 | 6.7 | 8.4 | 10.1 | 13.3 | 16.7 | 20 |
| Tee Flow - Branch | 3.1 | 4.1 | 5.3 | 6.9 | 8.1 | 10.3 | 12.3 | 11.3 | 20.1 | 25.2 | 30.3 | 40 | 50.1 | 58 |
| Male/Female Adapter | 1.0 | 1.5 | 2.0 | 2.8 | 3.5 | 4.5 | 5.5 | 6.5 | 9.0 | 14 | ||||
The table can be used for other thermoplastic pipes materials with similar design.
Use the values to calculate minor pressure loss with the Equivalent Pipe Length Method.
Related Topics
• Fluid Flow and Pressure Loss in Pipes and Tubes
Fluid flow and pressure loss in pipe lines. Water and sewer systems. 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.
Copper Tubes - Equivalent Length Pressure Loss in Fittings and Valves
Copper tube fittings and equivalent lengths - in feets of straight tube.
CPVC Pipes - Hanger Spacing
Maximum distance between CPVC pipe supports.
Duct Sizing - the Equal Friction Method
The equal friction method for sizing air ducts is easy and straightforward to use.
EN 1452 - Unplasticized Poly Vinyl Chloride (PVC-U) - Dimensions
Dimensions of PVC-U pipe according EN 1452.
Equivalent Length Method - Minor Pressure Loss in Piping Systems
Calculate minor pressure loss in piping systems with the Equivalent Pipe Length Method.
Equivalent Length vs. Minor Pressure Head Loss in Pipe and Duct Components
Minor pressure and head loss in pipes vs. equivalent length in tubes and duct systems.
Hazen-Williams Friction Loss 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.
Hot Water Systems - Equivalent Length vs. Fittings Resistance
Equivalent length of fittings like bends, returns, tees and valves in hot water heating systems - equivalent length in feet and meter.
ISO 161 - Thermoplastics Pipes - Dimensions
Dimensions of thermoplastic pipes according ISO 161.
Lined Pipes - Pressure Loss vs. Water Flow
Pressure drop diagrams for PTFE, PP, PFA and PVDF lined pipes.
Pipe and Tube System Components - Minor (Dynamic) Loss Coefficients
Minor loss coefficients for components used in pipe and tube systems.
Plastic Pipes - Friction Head Loss vs. Water Flow
Friction head loss (ft/100 ft) vs. water flow in plastic pipes like PVC, PP, PE or PEH.
Plastic Pipes - Maximum Operating Temperatures
Piping materials like ABS, PE, PVC, CPVC, PB, PP and SR and pressure and operating temperature limits.
PVC - Polyvinyl Chloride Pipes - Supports
Distance between PVC pipe supports.
PVC Pipes - Pressure Ratings vs. Size
Maximum operating and required burst pressure of PVC - Polyvinyl Chloride - pipe fittings.
PVC Pipes - Temperature Expansion Loops
Calculate temperature expansion and contraction in PVC piping systems.
PVC Pipes Schedule 40 - Friction Loss vs. Water Flow
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 vs. Water Flow Diagrams
Friction loss (psi/100 ft) and velocity for water flow in plastic PVC pipe schedule 40.
PVC Pipes Schedule 80 - Friction Loss vs. Water Flow
Water flow in thermoplastic PVC and CPVC pipes Schedule 80 - friction loss (ft/100 ft, psi/100 ft) and flow velocities at dimensions ranging 1/2 to 16 inches.
PVC, CPVC, Carbon Steel, Stainless Steel and Fiberglass Pipes - Thermal Expansion Diagrams
Thermal expansion of PVC, CPVC, Carbon and Stainless Steel and Fiberglass pipes.