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A new two-vane collapsible paddle is insertable from the outside of a bin or silo through a 1 1/4-in. NPT or 1 1/2-in. BSPT coupling. This stainless steel paddle assembly can be used with company’s SafePoint fail-safe and Model KA/KAX rotary paddle level switches. The “spring” action of the paddle also allows it to be removed from the same opening if needed. The two-vane design and the 8.66-in. turning diameter allow the paddle to provide dependable level indication for average bulk density materials. This paddle can be used with level switches that are mounted vertically or horizontally. — Monitor Technologies,