Threaded & Socket Welded Steel Fittings - Pressure Classes vs. Schedules
| Pressure Class | 2000 | 3000 | 6000 | 9000 |
|---|---|---|---|---|
| Threaded Fittings | 80/XS | 160 | XXS | |
| Socket-welded Fittings | 80/XS | 160 | XXS |
- Standard (STD), Extra Strong (XS) and Double Extra Strong (XXS)
- Schedule - numbers assigned to different wall thickness of pipe (i.e. schedule 80)
Threaded fittings are available in pressure classes 2000, 3000 and 6000.
Socket-welded fittings are available in pressure classes 3000, 6000 and 9000.
Related Topics
• Codes and Standards
Piping codes and standards - ASME, ANSI, ASTM, AGA, API, AWWA, BS, ISO, DIN and more..
• Piping Systems
Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams.
Related Documents
ANSI Schedule 40 Steel Pipes - Dimensions
Internal and external diameters, areas, weights, volumes and number of threads for ANSI schedule 40 steel pipes.
ANSI Schedule 80 Steel Pipes - Dimensions
Internal and external diameters, areas, weights, volumes and number of threads for schedule 80 steel pipes.
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 International - Standards for Steel Pipes, Tubes and Fittings
The ASTM standards covers various types of steel pipes, tubes and fittings for high-temperature services, ordinary use and special applications such as fire protection use
ISO - Pipe, Tube and Fittings Standards and Specifications
International Organization for Standardization - ISO - pipe, tube and fittings standards and specifications.
JIS - Pipe, Tube and Fittings Standards
Japanese industrial pipe, tube and fittings standards and specifications from the Japanese Standards Association - JAS.
Pipes - Nominal Wall Thickness
Nominal wall thickness of seamless and welded carbon and alloy steel pipes
Schedule - Terminology
Introduction to the schedule terminology of pipes.