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Question:

What does 1.6RF stand for in flange DN50-1.6RF?

What does 1.6RF stand for in flange DN50-1.6RF?

Answer:

The 1.6 is the pressure, that is, the PN16 usually speaks 16 kilogramsRF stands for sealing surfaces, in the form of projections
1.6 means PN1.6MPA is 16 kg pressure, this is the old name, now called "PN16 RF" means that the form of sealing surface is sudden
Pressure raised flange

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