FITTINGS TIPS

How to choose the Union?

We are selling two kinds of union now, one is flat seal with gasket, and the other is cone seal. Please see the picture below.The flat seal is to place O-ring seals, usually made of PTFE, on two contacting planes, and there will be no leakage between the planes. Cone seal is two surfaces with different

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FITTINGS TIPS

Do you know several methods of testing SS304/316?

There are three detection methods in our factory.Let me briefly introduce for you. 1. Optical Emission Spectrometer Features:This instrument is the most expensive and also the most commonly used.Because all elements can be detected with accurate values,especially carbon.During production, we pass the value of the element, then add elements whose value does not meet the standard.

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FITTINGS TIPS

Difference of SCH20 and SCH40

The pipe products in threaded pipe fittings can be roughly divided into the following categories: welding hose nipple, threaded hose nipple, welding nipple, barrel nipple, running nipple, close nipple. Among them, the most commonly used are welding nipple and barrel nipple: The difference between SCH20 and SCH40 refers to the thickness of pipe products. SCH40 pipe

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