gassing lid with 2 valves for 250 ml silicon nitride

Gassing lid 250 ml cl silicon nitride with with steel casing with 2 valves and seal ring.

Through the use of this special lid (incl. seal ring) on an silicon nitride grinding bowl with 250 ml volume, the grinding bowl can be used for grinding with inert gas and mechanical alloying. 
Two valves allow for easy and safe filling of the bowls with inert gas, while they are firmly clamped in the mill. A special additional Lock-System is required for gas-tight removal and transportation: order no. 90.1400.00.

Gassing lids with Swagelok valves are available on request.