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Original manufacturer part
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Description
Kromschroder Adapter set 74921678 — original Kromschroder spare part, order number 74921678. Other numbers for this part: 624.106.011. Main data: Mounting feature — flange mounting for DN40-150 valves. In stock.
Further details
Application
industrial and commercial burner control systems
Function
manual adjustment of the valve opening angle and locking
Safety feature
position locking prevents accidental movement and ensures stable air or gas supply
Choosing and fitting
Parts of this type are selected by valve series (BVA for air, BVG for gas), nominal connection size, and the maximum gas pressure and flow that the adapter must handle. Before ordering, verify the valve port geometry and confirm that the supplied O-rings or gaskets match the valve. Mount the adapter directly to the valve body, then connect the burner or downstream pipework. The manual adjustment mechanism should be checked for smooth operation and freedom from deposits before installation.
