Flapper check valve Cost-Effective Valve Superior Quality Backflow Prevention Supply Range is From DN300mm to DN3000mm Low Headloss and Maintenance Free
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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
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Specifications
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Nominal diameter:
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DN300mm to DN3000mm, other sizes available
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Maximum working pressure:
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5.0 meter water
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Operating temperature:
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-20℃ - 60℃
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Opening angle
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>60°
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Corrosion resistance
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Yes
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Applicable media
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water, river water, seawater, living water, industrial sewage.
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We love hearing from our customers and value your feedback.Here are ways to contact Liangda.24 hours a day, 7 days a week.Email:sales@liangda.net Web:http://www.flap-valves.com/
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