Lee Precision EM1120 valve knob for Pro 4-20 and Production Pot IV furnaces
Lee Precision EM1120 valve knob for Pro 4-20 and Production Pot IV furnaces
SKU:LEE.EM1120
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Valve Knob EM1120
The valve knob is the dial located at the top of the pouring valve rod on Lee lead melting furnaces: by screwing or unscrewing it, the rod's travel is finely adjusted, thereby controlling the flow rate of the molten lead exiting the spout.
It is the control used to adapt the flow to the type of mold: a more generous flow for large cavities, and a more restricted one for small bullets, where an excessive stream causes splashing and defective fills. The knob operates near the hot zone and the threading wears out; when it becomes loose, the setting no longer stays fixed during use. Lee lists it as a common spare part for the Production Pot IV and Pro 4-20.
Main features
- Component: pouring valve adjustment knob
- Function: fine adjustment of the pouring flow rate
- Lee designation: VALVE KNOB
- Lee code: EM1120
Recommended use
Spare part listed by Lee in the exploded diagrams for the Production Pot IV furnace and the Pro 4-20 furnace, including the 220V versions.
Package contents
The knob only. Valve rod and lever are not included.
Manufacturer code: EM1120
