FHZ Series Alkali Resistant Valve
Product Overview
Patented Technology
It is casted by a special material, with compact structure, professional layer treatment valve closure, high wearing resistance and strong alkali resistance, being used for controlling solid liquid slurry transportation with stable performance and long service life.

The sealing rubber ring is specially designed for slurry operating conditions. The two matching sealing rubber rings are assembled into the valve cavity. When the valve is closed, the rubber ring compresses the gate to form a seal; when the valve is opened, the two rubber rings are pressed against each other to form a seal.

When the valve change from open position to closed position, a gap is formed between the contact surfaces of the rubber rings, so that the medium blocking the valve in the rubber ring is removed, and discharged from the sewage outlet to the outside. When the gate is completely closed, the sealing surface of the rubber ring is in full contact with the gate, and the rubber ring structure provides the auxiliary sealing function again. The unique ring design allows the valve to provide a reliable seal when closed or opened, avoiding contact between metal parts and the liquid slurry.


• Double rubber ring sealing liner with bubble level sealing, built-in reinforced supporting steel structure, and no valve seat cavity to ensure stable valve performance. 

• Unique wear-resistant structure design with bi-directional full-pass runoff, thus reduce the pressure drop and wearing, and prolong service life; 

• Convenient installation and strong adaptability, which can be installed on a variety of pipelines; 

• Do not need gate plate or gate rod packing, thus avoid packing leakage and contaminating the slurry; 

• No metal parts contacting with slurry directly, which ensures good corrosion resistance; 


Application

It is applied in the transportation of coarse material and corrosive material in mining, electric power, environmental protection, alumina, phosphorus and papermaking industries.


 

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