3WAY SWITCHING VALVE FOR SELF REGENERATIVE SINGLE RADIANT-TUBE BURNER

摘要

PURPOSE: A 3-way switching valve of a self-regenerative single radiant-tube burner is provided to reduce maintenance and repair cost by not needing the periodical replacement of sealing members. CONSTITUTION: A 3-way switching valve of a self-regenerative single radiant-tube burner comprises a first and a second switching valve(1,2). The first switching valve comprises a flow path(120) and a rotary opening and closing member(10). The rotary opening and closing member controls the opening and closing of the flow path. The second switching valve has the same structure as the first switching valve. The second switching valve is arranged in series on the side of the first switching valve.