Can you use a din regulator with a yoke cylinder valve?

No, a DIN regulator cannot be used directly with a yoke cylinder valve, as they are designed for different types of connections. A DIN regulator has a threaded connection that screws into the cylinder valve, while a yoke valve uses a clamp mechanism to secure the regulator. To use a DIN regulator with a yoke cylinder, you would need an appropriate adapter designed for this purpose.