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          | QTY空气减压阀 1、图形符号
 
     
 
 2、型号注释
  
          3、技术参数
  
             
              | 型号 | 通径(mm) | 接管 | 工作压力(MPa | 调节范围(MPa) |  
              | QTY-8 | 8 | G1/4 | 1.00 | 0.05~0.63 |  
              | QTY-10 | 10 | G3/8 |  
              | QTY-15 | 15 | G1/2 |  
              | QTY-20 | 20 | G3/4 |  
              | QTY-25 | 25 | G1 |  
              | QTY-40 | 40 | G11/2 | 0.80 |       4、外形尺寸图表
 
  
 
            
              | 型号 | Ma | Mb
                 | A | B | C | D | E | F | G |  
              | QTY-8 | G1/4 | M10x1 | f60 | 74 | f80 | 36 | 122 | 180 | 64 |  
              | QTY-10 | G3/8 |  
              | QTY-15 | G1/2 |  
              | QTY-20 | G3/4 | f90 | 109 | f120 | 48 | 187 | 250 | 118 |  
              | QTY-25 | G1 |  
              | QTY-40 | G11/2 | 136 | 69 | 218 | 280 | 104 |  |  
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