Is the RF type available for the sealing surface of fiberglass-reinforced plastic flanges?
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May I ask everyone, do fiberglass-reinforced plastic flanges have an RF face? Is there a problem with the connection between the FF face and the valve RF face? The main issue is that there are many vacuum pipes ； Are all fiberglass products unitary? That is, for the LF connection type, are there SO and WN options?
Glass fiber reinforced plastic is relatively soft, right? If it’s left hanging outside the RF-sealed flange, the flange might get damaged when the bolts are tightened. Only the design method for integral flanges exists; there are none for other types.
Reading endlessly is not as good as listening to what you have to say; I think you’re absolutely right. Thank you:handshake