ChinaJapaneseStandardFlangeBallValveManufacturs Description The Rubber Disc Swing Check Valve is mainly composed of three main parts: valve body, valve cover and valve disc. The valve is widely used in petroleum, chemical, food, textile, paper, hydropower and other industries. Used as a shut-off return for corrosive and non-corrosive gases, liquids to protect pipelines and pumps. Due to the sloping design of the sealing ring of this product, the closing time is short. The product is resistant to erosion, has good sealing performance, and has a simple structure, so maintenance and repair are very convenient. Features The Rubber Disc Swing Check Valve is not easy to accumulate debris, easy maintenance and so on. It has a small valve opening stroke and high speed, and is mainly used in water supply and drainage systems. This product can prevent the backflow of the medium in the pipeline system to protect the important equipment, and is widely used in the fields of drinking water, water supply and drainage, irrigation and energy industries. The product has good performance and long service life, so there is less maintenance in the later period. Components No.PartMaterial 1BodyCast iron/Ductile iron 2BonnetCast iron/Ductile iron 3DiscCast iron/Ductile iron with NBR or EPDM 4Hinge pinStainless steel Dimensions DN506580100125150200250300350400450500600 L20321624129233035649662269978791296510671210 H869098117130149194251310360420480520570ChinaJapaneseStandardFlangeBallValveManufacturs website:http://www.ruimaivalve.com/metal-valves/check-valves/