Tube holder refractory insert for use in a sliding gate valve

摘要

A tube holder refractory insert (17) for use in a sliding gate valve of the three refractory insert type comprising a stationary plate (15), a slide gate (16) and a tube holder (17), the said tube holder comprising a unitary tube and holder (90) which comprises, in combination a tube with a central orifice (78), a flat slab portion (79) having an orifice at a mid-portion thereof in aligned open communication with the tube orifice (78) and the flat portion (79) extending asymmetrically beyond the orifice. <IMAGE> <IMAGE>