KF Flanges Introduction
KF Flanges Introduction
They are manufactured according to the DIN 28403/ISO 2861 standard. These are sexless flanges, meaning that both sides of the connection are identical and there are no O-ring grooves cut into the flanges.
The standard sizes are KF10, KF16, KF25, KF40 and KF50. Less common are the KF20 and KF32 sizes.
This flange system is also known by several other names such as NW, QF, DIN, and ISO-KF, but all of these flanges are the same.
The principle of operation is this: a...
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