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What does “schedule” mean for pipe fittings

What does “schedule” mean for pipe fittings ?

1.Schedule, often shortened as sch, is a North American standard that refers to wall thickness of a pipe or pipe fitting. Higher schedules mean thicker walls that can resist higher pressures.

2.Pipe standards define these wall thicknesses: SCH 5, 5S, 10, 10S, 20, 30, 40, 40S, 60, 80, 80S, 100, 120, 140, 160, STD, XS and XXS. (S following a number is for stainless steel. Sizes without an S are for carbon steel.)

3.Higher schedules are heavier, require more material and are therefore more costly to make and install.

our Hei Yan ltd is supplier of the pipe fittings machines and pipe fittings, such as bending machine, elbow machine, tee machine.

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