| 性能参数与主要尺寸: 
| 公称通径 DN(mm) | ZG | H | L |  
| 15 | 1/2" | 73 | 43 |  
| 20 | 3/4" | 85 | 48 |  
| 25 | 1" | 95 | 55 |  
| 32 | 1-1/4" | 113 | 73 |  
| 40 | 1-1/2" | 138 | 86 |  
| 50 | 2" | 156 | 98 |  
 
 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 |