Company Information
Member Since 12 Years
Nature of Business Manufacturer Year of Establishment 1980Ask for more detail from the seller
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Flapper check valve cost-effective valve superior quality backflow prevention supply range is from dn300mm to dn3000mm low headloss and maintenance free
features and benifits of flap valve
• customized shape or other shape available
• reliable backflow prevention
• smart design eliminates maintenance
• corrosion resistant, will not warp or freeze open or shut
• no cracking pressure needed, low head loss, can be completely open to flood discharge
• environmentally-friendly
specifications
nominal diameter: dn300mm to dn3000mm, other sizes available
maximum working pressure: 5.0 meter water
operating temperature: 20 degrees below zero centigrade to 60 degrees centigrade
opening angle >60 degrees
corrosion resistance yes
applicable media water, river water, seawater, living water, industrial sewage.
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