Threaded & Socket Welded Fittings - Pressure Classes and Schedules

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Engineering ToolBox > Threaded & Socket Welded Fittings - Pressure Classes and Schedules

Pressure classes, schedules and weights of pipes for threaded & socket welded fittings

Pipe Designation Schedule/MFR
Pressure Class	2000	3000	6000	9000
Threaded Fittings	80/XS	160	XXS
Socket 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)

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Related Documents

ASTM International - Standards for Steel Pipes, Tubes and Fittings The ASTM standards covers various types of steel pipes, tubes and fittings for high-temperature service, ordinary use and special applications such as fire protection use
JIS - Pipe, Tube and Fittings Standards Japanese industrial pipe, tube and fittings standards and specifications from JAS - the Japanese Standards Association
ISO - Pipe, Tube and Fittings Standards and Specifications International Organization for Standardization - ISO - pipe, tube and fittings standards and specifications

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