| DYC-JQ | 
        
        
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                        | ■ | 
                        DYC-JQ型-电磁真空带充气压差阀 | 
                     
                    
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                        ■ | 
                        DYC-JQ型电磁真空带充气压差阀是机械真空泵安全阀,安装于机械真空泵的进气口,并与泵同步开启和关闭。当泵停止工作或电源突然中断时,阀门利用大气压力使阀板自动关闭,使真空系统保持真空并将大气充入泵腔内,从而避免泵油逆向流动而污染真空系统。适用介质为纯净空气和非腐蚀性气体。 | 
                     
                
             
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                        | ■ | 
                        DYC-JQ 
                        Electro-vacuum Differential Pressure Valve  | 
                     
                    
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                        ■ | 
                        DYC-JQ electro-vacuum differential  Pressure valve is a safely valve for mechanical vacuum pump. It is mounted at  the intake nozzle of mechanical vacuum pump, synchronously opened and closed  with the pump. In case that pump stops working or power supply is suddenly  broken off, valve disc will be closed automatically under atmospheric pressure,  to keep the vacuum system vacuum and the air charged into pump cavity, thus to  prevent pump oil from reverse flow that can pollute the vacuum system.  Applicable medium can be pure air or noncorrosive gases.   | 
                     
                
             
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                        | ■ | 
                        主要技术性能 
                        Main  Technical Performance | 
                     
                    
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                        ■ 
                         
                         
                        ■ 
                         
                         
                        ■ | 
                        
                        
                            
                                
                                    |  适用范围:Applicability | 
                                     105~10-2Pa | 
                                 
                                
                                    |  阀门漏率:Valve Leak Rate   | 
                                     ≤1.3×10-2Pa.L/S. | 
                                 
                                
                                    |  适用温度:Applicable Temperature | 
                                     -30~+50℃ | 
                                 
                                
                                    |  线围温升:Coil Temperature  Rise | 
                                     ≤65℃ | 
                                 
                                
                                    |  开闭时间:Open-close Time  | 
                                     ≤3S | 
                                 
                                
                                    |  电源电压:Mains Voltage   | 
                                     220V/50Hz | 
                                 
                            
                         
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                        | ■ | 
                        主要零件材料 
                        Materials  of Main Parts | 
                     
                    
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                        ■ 
                         
                         
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                        阀体、阀盖、阀板:碳钢或铝合金 
                        隔膜:丁腈橡胶加涤纶绸 
                         
                        Body,  bonnet and disc: carbon steel or aluminium alloy 
                        Diaphragm: NBR and terylene  silk | 
                     
                
             
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            | CONSTRUCTION FIGHTS (mm)  | 
        
        
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                        | ■ | 
                        外形及连接尺寸(mm) 
                        Overall and Connection  Dimensions(mm) | 
                     
                
             
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                        | ■ | 
                        活套法兰连接(GB6070 图一) | 
                     
                    
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                                    | 
                                     Model 
                                    型号 
                                     | 
                                    
                                     DN 
                                     | 
                                    
                                     Do 
                                     | 
                                    
                                     D 
                                     | 
                                    
                                     D2 
                                     | 
                                    
                                     n-φc 
                                     | 
                                    
                                     A 
                                     | 
                                    
                                     H 
                                     | 
                                 
                                
                                    | 
                                     DYC-JQ50 
                                     | 
                                    
                                     50 
                                     | 
                                    
                                     90 
                                     | 
                                    
                                     110 
                                     | 
                                    
                                     55 
                                     | 
                                    
                                     4-φ9 
                                     | 
                                    
                                     70 
                                     | 
                                    
                                     203 
                                     | 
                                 
                                
                                    | 
                                     DYC-JQ63 
                                     | 
                                    
                                     63 
                                     | 
                                    
                                     105 
                                     | 
                                    
                                     130 
                                     | 
                                    
                                     68 
                                     | 
                                    
                                     4-φ9 
                                     | 
                                    
                                     88 
                                     | 
                                    
                                     226 
                                     | 
                                 
                                
                                    | 
                                     DYC-JQ80 
                                     | 
                                    
                                     80 
                                     | 
                                    
                                     125 
                                     | 
                                    
                                     145 
                                     | 
                                    
                                     85 
                                     | 
                                    
                                     8-φ9 
                                     | 
                                    
                                     98 
                                     | 
                                    
                                     260 
                                     | 
                                 
                                
                                    | 
                                     DYC-JQ100 
                                     | 
                                    
                                     100 
                                     | 
                                    
                                     145 
                                     | 
                                    
                                     165 
                                     | 
                                    
                                     105 
                                     | 
                                    
                                     8-φ9 
                                     | 
                                    
                                     108 
                                     | 
                                    
                                     282 
                                     | 
                                 
                                
                                    | 
                                     DYC-JQ160 
                                     | 
                                    
                                     160 
                                     | 
                                    
                                     200 
                                     | 
                                    
                                     225 
                                     | 
                                    
                                     165 
                                     | 
                                    
                                     8-φ12 
                                     | 
                                    
                                     158 
                                     | 
                                    
                                     350 
                                     | 
                                 
                            
                         
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                        | ■ | 
                        快卸法兰连接(GB4982 图二) | 
                     
                    
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                                     Model 
                                    型号 
                                     | 
                                    
                                     DN 
                                     | 
                                    
                                     D1 
                                     | 
                                    
                                     D 
                                     | 
                                    
                                     A 
                                     | 
                                    
                                     H 
                                     | 
                                    
                                     B 
                                     | 
                                 
                                
                                    | 
                                     DYC-JQ16 
                                     | 
                                    
                                     16 
                                     | 
                                    
                                     17.2 
                                     | 
                                    
                                     30 
                                     | 
                                    
                                     40 
                                     | 
                                    
                                     160 
                                     | 
                                    
                                     55 
                                     | 
                                 
                                
                                    | 
                                     DYC-JQ25 
                                     | 
                                    
                                     25 
                                     | 
                                    
                                     26.2 
                                     | 
                                    
                                     40 
                                     | 
                                    
                                     50 
                                     | 
                                    
                                     170 
                                     | 
                                    
                                     60 
                                     | 
                                 
                                
                                    | 
                                     DYC-JQ32 
                                     | 
                                    
                                     32 
                                     | 
                                    
                                     34.2 
                                     | 
                                    
                                     55 
                                     | 
                                    
                                     58 
                                     | 
                                    
                                     179 
                                     | 
                                    
                                     60 
                                     | 
                                 
                                
                                    | 
                                     DYC-JQ40 
                                     | 
                                    
                                     40 
                                     | 
                                    
                                     41.2 
                                     | 
                                    
                                     55 
                                     | 
                                    
                                     65 
                                     | 
                                    
                                     187 
                                     | 
                                    
                                     70 
                                     | 
                                 
                                
                                    | 
                                     DYC-JQ50 
                                     | 
                                    
                                     50 
                                     | 
                                    
                                     52.2 
                                     | 
                                    
                                     75 
                                     | 
                                    
                                     70 
                                     | 
                                    
                                     203 
                                     | 
                                    
                                     85 
                                     | 
                                 
                            
                         
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                        | ■ | 
                        方体螺纹连接(JB919 图三) | 
                     
                    
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                                     Model 
                                    型号 
                                     | 
                                    
                                     DN 
                                     | 
                                    
                                     Do 
                                     | 
                                    
                                     D2 
                                     | 
                                    
                                     h 
                                     | 
                                    
                                     B 
                                     | 
                                    
                                     H 
                                     | 
                                    
                                     n-d 
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                                     DYC-JQ16 
                                     | 
                                    
                                     16 
                                     | 
                                    
                                     42 
                                     | 
                                    
                                     22 
                                     | 
                                    
                                     28 
                                     | 
                                    
                                     48 
                                     | 
                                    
                                     148 
                                     | 
                                    
                                     4-M5 
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                                     DYC-JQ25 
                                     | 
                                    
                                     25 
                                     | 
                                    
                                     55 
                                     | 
                                    
                                     29 
                                     | 
                                    
                                     35 
                                     | 
                                    
                                     58 
                                     | 
                                    
                                     155 
                                     | 
                                    
                                     4-M6 
                                     | 
                                 
                                
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                                     DYC-JQ32 
                                     | 
                                    
                                     32 
                                     | 
                                    
                                     64 
                                     | 
                                    
                                     36 
                                     | 
                                    
                                     40 
                                     | 
                                    
                                     68 
                                     | 
                                    
                                     160 
                                     | 
                                    
                                     4-M6 
                                     | 
                                 
                                
                                    | 
                                     DYC-JQ40 
                                     | 
                                    
                                     40 
                                     | 
                                    
                                     70 
                                     | 
                                    
                                     44 
                                     | 
                                    
                                     44 
                                     | 
                                    
                                     80 
                                     | 
                                    
                                     166 
                                     | 
                                    
                                     4-M6 
                                     | 
                                 
                                
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                                     DYC-JQ50 
                                     | 
                                    
                                     50 
                                     | 
                                    
                                     90 
                                     | 
                                    
                                     55 
                                     | 
                                    
                                     56 
                                     | 
                                    
                                     94 
                                     | 
                                    
                                     189 
                                     | 
                                    
                                     4-M8 
                                     | 
                                 
                                
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                                     DYC-JQ65 
                                     | 
                                    
                                     65 
                                     | 
                                    
                                     105 
                                     | 
                                    
                                     70 
                                     | 
                                    
                                     65 
                                     | 
                                    
                                     115 
                                     | 
                                    
                                     205 
                                     | 
                                    
                                     4-M8 
                                     | 
                                 
                                
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                                     DYC-JQ80 
                                     | 
                                    
                                     80 
                                     | 
                                    
                                     125 
                                     | 
                                    
                                     85 
                                     | 
                                    
                                     75 
                                     | 
                                    
                                     140 
                                     | 
                                    
                                     250 
                                     | 
                                    
                                     4-M8 
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