Pressure Ratings
Pressure ratings of pipes and tubes and their fittings - carbon steel , stainless steel, plastic, copper and more.
ABS Pipes - Pressure Ratings
Pressure ratings of ABS 1208, ABS 1210, ABS 1316 and ABS 2112.
Aluminum Tubing - Allowable Pressure
Allowable pressure for aluminum tubes.
ANSI B16.5 - Steel Pipe Flanges - Pressure and Temperature Ratings - Group 1.2.
Pressure (psig) and temperature ratings for steel pipe flanges and flanged fittings
ASME 31.3 Piping Materials - Allowable Pressure Calculator
Calculate ASME 31.3 allowable pressure
ASME B31 Pressure Piping - Overview
A survey of one of the most important pressure pipe codes - ASME B31, earlier known as ANSI B31.
ASME B31.9 Building Services Piping - Working Pressure and Temperature Limits
The working pressure and temperature limits of ASME Code B31.9 - Building Services Piping.
ASTM A312 Stainless Steel Pipes - Bursting and Collapsing Pressures
Theoretic bursting and collapsing pressures for stainless steel pipes ASTM A312.
ASTM A53 B Carbon Steel Pipes - Allowable Pressure vs. Schedule and Size
Maximum working pressure of carbon steel pipe at temperature 400oF.
ASTM B306 Copper Tubes for Drain, Waste and Vent - Dimensions and Working Pressures
Dimensions of copper tubes ASTM B306 Drain Waste and Vent - DWV.
ASTM Flanges - Hydrostatic Test Pressures
Flanged fittings and required hydrostatic test pressure.
Barlow's Formula - Calculate Internal, Allowable and Bursting Pressure
Calculate pipes internal, allowable and bursting pressure.
Brass Pipes - Allowable Pressure vs. Temperature and Size
Allowable pressure for red brass 85% pipes .
BS 2871 Copper Tubes Table X, Y and Z - Working Pressures vs. Size
Working pressures of metric sized copper tubes according the BS (British Standard) 2871.
Carbon Steel Flanges - Group 1.1 Pressure and Temperature Ratings
Maximum temperature and pressure ratings of flanges conforming dimensions ASME B16.5 and materials specification ASTM A-105.
Carbon Steel Flanges - Pressure and Temperature Ratings
Maximum ratings for flanges conforming to ISO Standard 2229 dimensions and material specification AST-A-105.
Carbon Steel Pipes - Pressure and Temperature Ratings, Imperial Units
Pressure (psig) and temperature (deg F) ratings for A-53 B and A-106 B, A333, A334 and API 5L carbon steel pipes - temperatures ranging 100 oF - 700 oF.
Carbon Steel Pipes - Pressure and Temperature Ratings, Metric Units
Pressure (kPa) and temperature (oC) ratings of ASTM A-106, API 5L and ASTM A-53 Seamless Carbon Steel Pipes - temperatures ranging -29 oC - 450 oC.
Cast Iron Flanged Pipe Fittings - Working Pressures vs. Temperature
Maximum working pressures for cast iron flanged pipe fittings according ANSI B16.1.
Cast Iron Threaded Pipe Fittings - Working Pressures vs. Temperature
Maximum working pressures for cast iron threaded pipe fittings according ANSI B16.4.
Copper Tubes Type K, L and M - Working Pressures vs. Size
ASTM B88 seamless copper water tubes - working pressures.
CPVC Pipes - Operating and Collapsing Pressures vs. Schedule and Size
Maximum operating and bursting pressures of CPVC - Chlorinated Poly (Vinyl Chloride) - piping systems.
CPVC Tubes - Pressure and Temperature Ratings
CTS (Copper Tube Sized) CPVC (Chlorinated Poly Vinyl Chloride) tubes temperature and pressure ratings.
Heating Systems - Safety Valves Size vs. Boiler Power
Safety valves with boilers ranging 275 to 1500 kW.
Malleable Iron Threaded Fittings - Pressure vs. Temperature Rating
ASME/ANSI B16.3 Malleable Iron Threaded Fittings - Pressure and Temperature Ratings.
PE (PolyEthylene) Pipes - PN Pressure Grades
Polyethylene - PE - pipes and pressure classes.
PE (PolyEthylene) Pipes - Pressure Ratings vs. Size
Water pressure ratings for schedule 40 and schedule 80 Polyethylene plastic pipes
PE (PolyEthylene) Pipes - Pressure vs. Temperature Ratings
Polyethylene pipe temperature and maximum operating pressure.
Pilot Operated Safety Valves in Liquid Systems
Calculate pilot operated relief valves in liquid systems.
Pipe Class Ratings vs. Pressure Numbers (PN)
Pressure numbers (PN) vs. flange class designations.
Piping Elbows - Thrust Block Forces
Thrust block forces on pipe bends anchors due to liquid velocities and internal pressures - online resulting force calculator.
Plastic Pipes - Maximum Operating Temperatures
Piping materials like ABS, PE, PVC, CPVC, PB, PP and SR and pressure and operating temperature limits.
Process Pipes - Allowable Stress vs. Temperature
Allowable wall stress in pipes according ASME M31.3.
PVC Pipes - Pressure Ratings vs. Size
Maximum operating and required burst pressure of PVC - Polyvinyl Chloride - pipe fittings.
SDR (Standard Dimension Ratio) and S Pipe Series
The Standard Dimension Ratio - SDR - is used to rate pressure pipes.
Solder Joints - Pressure Ratings vs. Temperature
Solder joints and their pressure ratings according ASME B16.18.
Spring Operated Safety Valves in Liquid Systems
Calculate spring operated relief valves in liquid systems.
Stainless Steel Pipes - Allowable Pressure vs. Schedule and Size
Allowable pressure for standard seamless A312-TP316/316L stainless steel pipes - temperatures 100oF to 750oF.
Steel Pipes - Derating Factor vs. Temperature
Temperature derating factor for steel pipes.
Steel Tubes - Working Pressures vs. Size
Normal maximum working pressures for steel tubes - in psi (lb/in2) and kPa (kN/m2).
Thermoplastic Pipes - Strength Derating vs. Temperature
Increased temperatures derates the strength of thermoplastic piping materials.
Water Hammer
Rapidly closing or opening valves - or starting stopping pumps - may cause pressure transients in pipelines known as surge or water hammers.
Wrought Steel Pipes - Bursting Pressures vs. Size
Theoretical bursting and working pressure of wrought steel standard, extra strong and double extra strong pipes.