What is the difference between pressure ratings CL300, 300#, and 300LB?

2010-01-12View Original

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What is the difference between pressure ratings CL300, 300#, and 300LB?

Reply #22010-01-12

In CL300, CL stands for class, which is equivalent to PN in the metric system; 300lb refers to pounds, and CL300 and 300lb essentially mean the same thing. As for 300#, it’s generally not written that way, right?

Reply #32010-01-12

They all mean the same thing; 300# is our abbreviation, I usually use 300# when creating plans, but I write 300LB more often when it’s possible.

Reply #42010-01-12

What is actually expressed is the same meaning. The pressure is the same

Reply #52010-01-12

It means the same thing; it’s just written differently

Reply #62010-01-13

5# ylj429: Personally, I think they mean the same thing; both indicate a pressure rating of 300 pounds per the American standard.

Reply #72010-01-14

In my opinion: the meaning is the same; it’s just that the way of writing the instructions is slightly different

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