| Specification | 
                                                    
                                
                                    
                                                                                     Media: Fuel; 
                                                                                     Structure: Ball; 
                                                                                     Application: Tanker Truck; 
                                                                                     Warranty: 1 Year; 
                                                                                     Applicable Medium: Light Fuel; 
                                                                                     Temperature of Media: Normal Temperature; 
                                                                                     Port Size: DN80; 
                                                                                     Customized Support: Obm, ODM, OEM; 
                                                                                     Weight: 4kg; 
                                                                                     Nominal Pass: DN80; 
                                                                                     Open Method: Manual; 
                                                                                     Nominal Pressure: 0.6MPa; 
                                                                                     Power: Manual; 
                                                                                     Body Material: Aluminum Alloy; 
                                                                             
                                 
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                                                                                     Media: Water; 
                                                                                     Temperature: Ordinary Temperature; 
                                                                                     Material: Cast Iron, Ductile Iron; 
                                                                                     Connection Form: Wafer, Flanged; 
                                                                                     Structure: Butterfly; 
                                                                                     Pressure: Ordinary Temperature; 
                                                                                     Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence; 
                                                                                     Sealing Form: "0"Leakage; 
                                                                                     Flow Direction: Unidirection; 
                                                                                     Standard: API609 En593 BS5155 En1092 ISO5211; 
                                                                                     Application: Industrial Usage, Water Industrial Usage, Household Usage; 
                                                                                     Certificates: CE(PED), ISO9001, Wras, Cu-Tr; 
                                                                                     Body Materials: Cast Iron/Ductile Iron/Wcb/CF8m/CF8/Al-Bronze; 
                                                                                     Disc Materials: Di/Nylon/1.4469/1.4529/2205/2507/CF8/CF8m; 
                                                                                     Seat Materials: NBR/EPDM/PTFE/Silicone etc; 
                                                                                     Coating: Fbe Epoxy Coated; 
                                                                                     Flange Standards: Pn6/10/16/25/21/150lb/JIS5K/10K/As2129 Table D/E/F; 
                                                                                     Face to Face Standards: En558;API609;DIN3202;ISO5752;BS5155;Awwa; 
                                                                             
                                 
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                                                                                     Media: Water, Steam, Natural Gas, Liquid Petroleum Produc; 
                                                                                     Temperature: Ordinary Temperature; 
                                                                                     Material: Cast Steel; 
                                                                                     Connection Form: Flange; 
                                                                                     Structure: Swing; 
                                                                                     Pressure: Ordinary Temperature; 
                                                                                     Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence; 
                                                                                     Sealing Form: Wedge Check Valve; 
                                                                                     Flow Direction: Unidirection; 
                                                                                     Standard: GOST/ ANSI/DIN/GB; 
                                                                                     Application: Industrial Usage, Water Industrial Usage, Household Usage; 
                                                                                     Body Material: Wcb Steel 20; 
                                                                                     Bonet Material: Wcb Steel 20; 
                                                                                     Disc Maerial: Wcb/Stainless Steel; 
                                                                                     Seal: Stainless Steel; 
                                                                             
                                 
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                                                                                     Media: Water, Steam, Natural Gas, Liquid Petroleum Produc; 
                                                                                     Temperature: Ordinary Temperature; 
                                                                                     Material: Cast Steel; 
                                                                                     Connection Form: Flange; 
                                                                                     Structure: Swing; 
                                                                                     Pressure: Ordinary Temperature; 
                                                                                     Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence; 
                                                                                     Sealing Form: Wedge Check Valve; 
                                                                                     Flow Direction: Unidirection; 
                                                                                     Standard: GOST/ ANSI/DIN/GB; 
                                                                                     Application: Industrial Usage, Water Industrial Usage, Household Usage; 
                                                                                     Body Material: Wcb/Stainless Steel; 
                                                                                     Bonet Material: Wcb/Stainless Steel; 
                                                                                     Disc Maerial: Wcb/Stainless Steel; 
                                                                             
                                 
                             | 
                                                    
                                
                                    
                                                                                     Media: Water, Steam, Natural Gas, Liquid Petroleum Produc; 
                                                                                     Temperature: Ordinary Temperature; 
                                                                                     Material: Cast Steel; 
                                                                                     Connection Form: Flange; 
                                                                                     Structure: Swing; 
                                                                                     Pressure: Ordinary Temperature; 
                                                                                     Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence; 
                                                                                     Sealing Form: Wedge Check Valve; 
                                                                                     Flow Direction: Unidirection; 
                                                                                     Standard: GOST/ ANSI/DIN/GB; 
                                                                                     Application: Industrial Usage, Water Industrial Usage, Household Usage; 
                                                                                     Body Material: Wcb/Stainless Steel; 
                                                                                     Bonet Material: Wcb/Stainless Steel; 
                                                                                     Disc Maerial: Wcb/Stainless Steel; 
                                                                             
                                 
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