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# 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 openingĀ 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.

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Temperature

oC
oF

Length

m
km
in
ft
yards
miles
naut miles

Area

m2
km2
in2
ft2
miles2
acres

Volume

m3
liters
in3
ft3
us gal

Weight

kgf
N
lbf

Velocity

m/s
km/h
ft/min
ft/s
mph
knots

Pressure

Pa (N/m2)
bar
mm H2O
kg/cm2
psi
inches H2O

Flow

m3/s
m3/h
US gpm
cfm

3 30