Dual variable orifice for reinforced preheater
Dual vertical thermal processing furnace
Dual vertical thermal processing furnace
Dual-purpose guide and drum cleaner for Steckel mill coiler furn
Dual-zone dehydration tunnel
Duct burner assembly
Durable gudgeons for fusing rollers
Dust preheating system with incipient calciner
Dust recycling to rotary kilns
Dust trap