Hand board side window

☆ Grain silo specific sealed insulation window is a rigid structure, compression type insulation window. The window frame and skeleton are welded with cold-formed hollow square steel, with a window thickness of 6cm. The panel is made of 0.5mm color plate, which is filled with insulation and flame-retardant material (polyvinyl chloride). The sealing is made of special sealing strips for refrigerated containers, with high elasticity, strength, and durability. The lock is made of special steel castings, which have reliable sealing and insulation properties as well as flexible operation characteristics. Sealed window opening is divided into three types: manual side opening, hand cranked side opening, and electric side opening.