Method of forming slide gate valve parts

Details Method of forming slide gate valve parts Method of forming slide gate valve parts

C - Chemistry, Metallurgy

04

B

25/135

C04B 35/00 (2006.01) B22D 41/32 (2006.01) C04B 35/04 (2006.01) C04B 35/043 (2006.01)

Patent

CA 1128294

ABSTRACT Upper and lower plates, as well as other parts, for a slide gate valve are formed by casting into a mold, preferably a metal mold, a castable refractory composition containing from 1 to 5% of a long chain glassy polyphosphate, preferably one having an average chain length of about 20 phosphorous atoms, from 0.1 to 0.5% boric acid, the balance of the castable being sized periclase refractory grain.

343362

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