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SCREW GATE VALVE

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This valve is widely used at the   topbottom of store housecarry port in metallurgical, mining, building material, food, chemical industries etc. It is the ideal equipment to control a great changing flow, to openclose frequentlyto stop quickly.

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Structure characteristic:

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This valve is simple in structure, handy to operate, light in weight, non-obstructivequick to stop. It is suitable to be used to carry all kinds of solid material, particlecrystal particle whose diameter is below 10mmto adjust the flow. It can be installed at any angleoperated handily. The size of its gate can be regulated at any time. This valve has two type of operation. One is manual wheel operation; the other is chain wheel operation. �� means manual wheel. �� means chain wheel. The valve has two type of construction LZD is signal directionLZS is double direction.

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Working principle

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It is mainly made up of frame, gate board, screw pole, nut etc. Rotate the handwheel by hand, then the screw pole drives the nutgate board move in horizontal tofro to open or close the valve.

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U sage explanation:

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��#8226;  It can be installed in horizontal or vertical. Sealing gasket must be put on the connected, then equably tight the bolt.

��#8226;  You can not add assistant lever to the hand wheel. Clockwise turn of hand wheel means the closing of valve, otherwise it means opening.

��#8226;  The device should be in the shut-down if the valve-board is placed longer. Driving parts should add lubricated oil. Placing in the open airpiling up is not permitted.