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Jiangsu Mingxuan Environmental Protection Technology Co., LTD
Contact: 13961508111
Telephone: 0510-87839950
The true: 0510-80719320
Address: Building 9, Zhongenergy-saving Industrial Park, No. 489,Luyuan Road, Huankeyuan, Yixing City
Mail box: jsmxhb@163.com
Web site: www.xzzlb.com
PM series knock door
use
It is mainly installed at the end of the drainage pipe to prevent the backflow of external water. Material is divided into stainless steel, carbon steel, cast iron and other materials.
It is suitable for overflow and check of all kinds of pipes and water channels of water supply and drainage and sewage treatment projects, and can also be used as a shaft cover. It is only used for the outlet of one-way water flow.
The flap door has the function of one-way opening and reverse closing of flow channel. The valve cover of the door with the help of the balance of its own weight, under the action of water flow to open or close the door automatically, or a little external force to open or close the door; There is a pull ring on the flap door cover, the opening Angle of the pull ring should be greater than 60 degrees, no blockage phenomenon, the switch should be free and flexible, when the part of the flap door is immersed in water, the internal pressure of the pipe is large, the reverse pressure is small, the flap door allows part of the leakage, when the river water pressure increases, the flap door will automatically close and seal.
It is mainly installed at the end of the drainage pipe to prevent the backflow of external water. Material is divided into stainless steel, carbon steel, cast iron and other materials.
It is suitable for overflow and check of all kinds of pipes and water channels of water supply and drainage and sewage treatment projects, and can also be used as a shaft cover. It is only used for the outlet of one-way water flow.
The flap door has the function of one-way opening and reverse closing of flow channel. The valve cover of the door with the help of the balance of its own weight, under the action of water flow to open or close the door automatically, or a little external force to open or close the door; There is a pull ring on the flap door cover, the opening Angle of the pull ring should be greater than 60 degrees, no blockage phenomenon, the switch should be free and flexible, when the part of the flap door is immersed in water, the internal pressure of the pipe is large, the reverse pressure is small, the flap door allows part of the leakage, when the river water pressure increases, the flap door will automatically close and seal.