Category 1 - SPECIAL MATERIALS AND RELATED EQUIPMENT

1B230 Pumps capable of circulating solutions of concentrated or dilute potassium amide catalyst in liquid ammonia (KNH₂/NH₃), having all of the following characteristics:

1. Airtight (i.e., hermetically sealed);
2. A capacity greater than 8.5 m³/h; and
3. Either of the following characteristics:
   
   
   1. For concentrated potassium amide solutions (1% or greater), an operating pressure of 1.5 to 60 MPa; or
   2. For dilute potassium amide solutions (less than 1%), an operating pressure of 20 to 60 MPa; (L.N. 65 of 2004)