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I need to know the weight of some T strainer. They're all CARBON STEEL, nps: 30", 48" and 60", rating 150" and 300" and butt weld. Do you know where i can find a catalog with theese items? Thanks

I'm a new "material man" and i don't understand which is the problem. I suppose that if I design a piping system using the ASME B31.3 i'll follow the ASME B31.3 for the welding spec. If this sentence is right, why don't Boise ask to his PE (what does it mean PE???) what kind of manual he used...

We could call the reporter to help us solving our problems in fluid mechanic! I love'em when they talk about what they don't know and it seems they mastered the argument.

Take away that latrolet and weld a weldolet then go on with a 75mm nipple and 45° elbow. It's much stronger configuration than that seen on the photo. I hope I gave you an idea. Regard Giuliano

You can search your answer on one of the manual of ASME B18.xx. They explain all you need to know about the dimension of the nuts and bolts (any kind of material). In my opinion, you can take a look on the B18.2.3M to find out your answer. Regards Giuliano

Thanks Giuliano

My process engineer requested a low pressure check valve with a differential pressure of 0 kg/cm2 (perhaps, near the zero) on a line that goes from a tank to a wet flare header. The question is: a check valve with Dp=0 kg/cm2 is always closed or open i suppose, so what is its real use? Regard...

Hi Tivari, i don't think there will be any problems about it. Regards Giuliano