| 
| 公称压力MPa
 | 公称通径 DN
 | 尺寸(mm) |  
| L | D1 | D2 | D3 | D4 | D5 |  
| PN1.0MPa 
 PN1.6MPa
 | 15 | 16 | 52 | 15 | 24 | 31 | 40 |  
| 20 | 19 | 62 | 19 | 30 | 40 | 50 |  
| 25 | 22 | 72 | 24 | 35 | 47 | 58 |  
| 32 | 28 | 83 | 31 | 46 | 56 | 68 |  
| 40 | 31.5 | 93 | 39 | 55 | 66 | 78 |  
| 50 | 40 | 108 | 48 | 65 | 78 | 90 |  
| 65 | 46 | 128 | 62 | 80 | 95 | 110 |  
| 80 | 50 | 142 | 76 | 96 | 110 | 128 |  
| 100 | 60 | 162 | 95 | 115 | 132 | 150 |  
| 125 | 90 | 192 | 110 | 125 | 135 | - |  相关止回阀产品系列: 
H41X/W-16P不锈钢消声止回阀       
 
H41H/W升降式止回阀      
H42H/W立式止回阀                 HH47X/HH48X/HH49X微阻缓闭蝶型消声止回阀 
HH44X微阻缓闭止回阀                     H71H/W对夹升降式止回阀(全铜)  
H71H/W对夹升降式止回阀              H74 Ⅱ型对夹薄型止回阀 
H76X对夹蝶型旋启式止回阀            
H41X/W全铜消声止回阀 
HC44X-10-16橡胶瓣止回阀                
  H44H/W旋启式止回阀 
H76H/W对夹蝶型止回阀(双瓣式)           
H42X底阀 
H41X/W消声止回阀(铁壳铜芯)          
 HQ41X球形止回阀(无磨损球形止回阀) 
HQ45X型 微阻球形止回阀                  H42H/W不锈钢法兰立式止回阀 
H14W-16P/R不锈钢螺纹旋启式止回阀       
 H61Y型高压升降式止回阀 
H42T型(DRVZ)静音止回阀                 H41W型不锈钢升降式止回阀 H12W-16P/R不锈钢丝口止回阀      
       H12W-16T黄铜丝口止回阀 H74Ⅰ型对夹薄型止回阀 |