|  
      
     | 
    
      
      
        
           | 
         
        
          
   
   
    | H42N-25\H42N-40液化氣立式止回閥 | 
   
   
    | 產品型號:H42N | 
   
   
    |  
      
     | 
   
   
    性能規范:  
       
      
         
          |  
             公稱壓力PN 
           | 
           
             2.5 
           | 
           
             4.0 
           | 
           
            
             MPa 
            
           | 
         
         
          |  
             殼體試驗壓力PT 
           | 
           
             3.75 
           | 
           
             6.0 
           | 
         
         
          |  
             高壓密封試驗壓力 
           | 
           
             2.75 
           | 
           
             4.4 
           | 
         
         
          |  
             適用介質 
           | 
           
             液化氣、天然氣等 
           | 
         
         
          |  
             適用溫度 
           | 
           
             -40∽+80℃ 
           | 
         
         
          |  
             法蘭連接標準 
           | 
           
             JB/T 79-94  
           | 
         
       
      H41N-25/40止回閥 
      通徑(DN):25∽200(mm) 
      壓力(PN):2.5,4.0MPa | 
   
   
    | 
        
        主要外型尺寸和連接尺寸: 
      
         
         
          |  
             PN 
           | 
           
             DN 
           | 
           
             H 
           | 
           
             D 
           | 
           
             D1 
           | 
           
             D2 
           | 
           
             b 
           | 
           
             f 
           | 
           
             Z-φd 
           | 
         
         
          |  
            
            
            
            
            
            
            
             2.5MPa 
              4.0MPa  
           | 
           
             25 
           | 
           
             105 
           | 
           
             115 
           | 
           
             85 
           | 
           
             65 
           | 
           
             16 
           | 
           
             2 
           | 
           
             4-14 
           | 
         
         
          |  
             32 
           | 
           
             150 
           | 
           
             135 
           | 
           
             100 
           | 
           
             78 
           | 
           
             18 
           | 
           
             3 
           | 
           
             4-18 
           | 
         
         
          |  
             40 
           | 
           
             160 
           | 
           
             145 
           | 
           
             110 
           | 
           
             85 
           | 
           
             18 
           | 
           
             3 
           | 
           
             4-18 
           | 
         
         
          |  
             50 
           | 
           
             170 
           | 
           
             160 
           | 
           
             125 
           | 
           
             100 
           | 
           
             20 
           | 
           
             3 
           | 
           
             4-18 
           | 
         
         
          |  
             65 
           | 
           
             180 
           | 
           
             180 
           | 
           
             145 
           | 
           
             120 
           | 
           
             22 
           | 
           
             3 
           | 
           
             8-18 
           | 
         
         
          |  
             80 
           | 
           
             200 
           | 
           
             195 
           | 
           
             160 
           | 
           
             135 
           | 
           
             22 
           | 
           
             3 
           | 
           
             8-18 
           | 
         
         
          |  
             100 
           | 
           
             210 
           | 
           
             230 
           | 
           
             190 
           | 
           
             160 
           | 
           
             24 
           | 
           
             3 
           | 
           
             8-23 
           | 
         
         
          |  
             150 
           | 
           
             300 
           | 
           
             300 
           | 
           
             250 
           | 
           
             218 
           | 
           
             30 
           | 
           
             3 
           | 
           
             8-25 
           | 
         
         
          |  
             200 
           | 
           
             380 
           | 
           
             360 
           | 
           
             310 
           | 
           
             278 
           | 
           
             34 
           | 
           
             4 
           | 
           
             12-25 
           | 
         
        
              | 
   
   
  | 
         
        
           | 
         
        |