| 产品说明:  DJ41Y、DJ41W 型 PN16~PN40 低温截止阀适用于低温液体贮运设备的管理系统,具有开关灵活、密封可靠的特点,也可用于其他低温和深冷介质的管理系统。 
  
  
【执行标准 
设计与制造:JB/T7749-95 
结构长度:GB/T12221-89 
连接端:GB/T9113-2000,HG20592-97,SH3406-96GB/T12224-89 
检验与试验:JB/T7749-95 
  
【性能参数】 
    
        
            | 
             型号 
             | 
            
             DJ41Y-16 
             | 
            
             DJ41Y-16P 
             | 
            
             DJ41Y-25 
             | 
            
             DJ41Y-25P 
             | 
            
             DJ41Y-40 
             | 
            
             DJ41Y 
             | 
         
        
            | 
             工作压力(MPa) 
             | 
            
             1.6 
             | 
            
             2.5 
             | 
            
             4.0 
             | 
         
        
            | 
             适用温度(℃) 
             | 
            
             -45 
             | 
            
             -101 
             | 
            
             -196 
             | 
         
        
            | 
             适用介质 
             | 
            
             液化天然气、乙烯、丙烯等低温介质 
             | 
         
        
            | 
             材料 
             | 
            
             阀体、阀盖 
             | 
            
             LCB 
             | 
            
             LC3 
             | 
            
             LCB 
             | 
            
             LC3 
             | 
            
             LCB 
             | 
            
             LC3 
             | 
         
        
            | 
             阀瓣、阀座 
             | 
            
             铬镍钢+钴铬钨 
             | 
         
        
            | 
             阀杆 
             | 
            
             铬镍钢 
             | 
         
    
 
主要外形和连接尺寸 
    
        
            | 公称通径 | 
            主要外形尺寸和连接尺寸 | 
            H | 
         
        
            | L | 
            D | 
            D1 | 
            D2 | 
            b | 
            Z-d | 
            D0 | 
            -46℃ | 
            -101℃ | 
            -196℃ | 
         
        
            | DJ41Y-16C DJ41Y-16P DJ41Y-16R DJ641Y-16C DJ641Y-16P DJ641Y-16R DJ9B41Y-16C DJ9B41Y-16P  | 
         
        
            | 50 | 
            230 | 
            160 | 
            125 | 
            100 | 
            16 | 
            4-18 | 
            240 | 
            460 | 
            480 | 
            520 | 
         
        
            | 65 | 
            290 | 
            180 | 
            145 | 
            120 | 
            18 | 
            4-18 | 
            280 | 
            475 | 
            505 | 
            525 | 
         
        
            | 80 | 
            310 | 
            195 | 
            160 | 
            135 | 
            20 | 
            8-18 | 
            280 | 
            520 | 
            550 | 
            590 | 
         
        
            | 100 | 
            350 | 
            215 | 
            180 | 
            155 | 
            20 | 
            8-18 | 
            320 | 
            545 | 
            575 | 
            615 | 
         
        
            | 125 | 
            400 | 
            245 | 
            210 | 
            185 | 
            22 | 
            8-18 | 
            360 | 
            590 | 
            620 | 
            660 | 
         
        
            | 150 | 
            480 | 
            280 | 
            240 | 
            210 | 
            24 | 
            8-23 | 
            400 | 
            650 | 
            650 | 
            730 | 
         
        
            | 200 | 
            600 | 
            335 | 
            295 | 
            265 | 
            26 | 
            12-23 | 
            400 | 
            850 | 
            850 | 
            930 | 
         
        
            | 250 | 
            730 | 
            405 | 
            355 | 
            320 | 
            30 | 
            12-25 | 
            450 | 
            956 | 
            986 | 
            1036 | 
         
        
            | 300 | 
            850 | 
            460 | 
            410 | 
            375 | 
            30 | 
            12-25 | 
            500 | 
            1095 | 
            1125 | 
            1175 | 
         
        
            | DJ41Y-25 DJ41Y-25P DJ41Y-25R DJ641Y-25C DJ641Y-25P DJ641Y-25R DJ9B41Y-25C DJ9B41Y-25P  | 
         
        
            | 50 | 
            230 | 
            160 | 
            125 | 
            100 | 
            20 | 
            4-18 | 
            240 | 
            460 | 
            480 | 
            520 | 
         
        
            | 65 | 
            290 | 
            180 | 
            145 | 
            120 | 
            22 | 
            8-18 | 
            280 | 
            475 | 
            505 | 
            525 | 
         
        
            | 80 | 
            310 | 
            195 | 
            160 | 
            135 | 
            22 | 
            8-18 | 
            280 | 
            520 | 
            550 | 
            590 | 
         
        
            | 100 | 
            350 | 
            230 | 
            190 | 
            160 | 
            24 | 
            8-23 | 
            320 | 
            545 | 
            575 | 
            615 | 
         
        
            | 125 | 
            400 | 
            270 | 
            220 | 
            188 | 
            28 | 
            8-25 | 
            360 | 
            590 | 
            620 | 
            660 | 
         
        
            | 150 | 
            480 | 
            300 | 
            250 | 
            218 | 
            30 | 
            8-25 | 
            400 | 
            650 | 
            680 | 
            730 | 
         
        
            | 200 | 
            600 | 
            360 | 
            310 | 
            278 | 
            34 | 
            12-25 | 
            400 | 
            850 | 
            880 | 
            930 | 
         
        
            | 250 | 
            730 | 
            425 | 
            370 | 
            332 | 
            36 | 
            12-30 | 
            450 | 
            956 | 
            986 | 
            1036 | 
         
        
            | 300 | 
            850 | 
            485 | 
            430 | 
            390 | 
            40 | 
            16-30 | 
            500 | 
            1095 | 
            1125 | 
            1175 | 
         
        
            | DJ41Y-40 DJ41Y-40P DJ41Y-40R DJ641Y-40C DJ641Y-40P DJ641Y-40R DJ9B41Y-40C DJ9B41Y-40P  | 
         
        
            | 50 | 
            230 | 
            160 | 
            125 | 
            100 | 
            20 | 
            - | 
            240 | 
            483 | 
            504 | 
            546 | 
         
        
            | 65 | 
            290 | 
            180 | 
            145 | 
            120 | 
            22 | 
            - | 
            280 | 
            499 | 
            530 | 
            551 | 
         
        
            | 80 | 
            310 | 
            195 | 
            160 | 
            135 | 
            22 | 
            - | 
            280 | 
            546 | 
            578 | 
            620 | 
         
        
            | 100 | 
            350 | 
            230 | 
            190 | 
            160 | 
            24 | 
            - | 
            320 | 
            572 | 
            604 | 
            646 | 
         
        
            | 125 | 
            400 | 
            270 | 
            220 | 
            188 | 
            28 | 
            - | 
            360 | 
            620 | 
            61 | 
            693 | 
         
        
            | 150 | 
            480 | 
            300 | 
            250 | 
            218 | 
            30 | 
            - | 
            400 | 
            683 | 
            741 | 
            767 | 
         
        
            | 200 | 
            600 | 
            360 | 
            320 | 
            282 | 
            38 | 
            - | 
            400 | 
            893 | 
            924 | 
            977 | 
         
        
            | 250 | 
            730 | 
            425 | 
            385 | 
            345 | 
            42 | 
            - | 
            450 | 
            1004 | 
            1035 | 
            1088 | 
         
        
            | 300 | 
            850 | 
            485 | 
            450 | 
            408 | 
            46 | 
            - | 
            500 | 
            1150 | 
            1181 | 
            1234 | 
         
    
 
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