
| 产品分类 | 止回阀 | 
| 口 径 | DN25 - 400 mm | 
| 压 力 | PN1.6 - 25 Mpa | 
| 备 注 | 适用于石油、化工、制药、化肥、电力行业等各种工况的管路 | 
【产品说明】
 H44H、H44Y型PN16~PN250旋启式钢制止回阀性能参数:
| 
             型号  | 
            
             H44H-16C~250  | 
            
             H44W-16P~250  | 
        
| 
             工作压力(MPa)  | 
            
             1.6~25  | 
        |
| 
             适用温度(℃)  | 
            
             ≤425  | 
            
             ≤550  | 
        
| 
             适用介质  | 
            
             水、蒸汽、油品  | 
            
             弱腐蚀性介质  | 
        
 H44H、H44Y型PN16~PN250旋启式钢制止回阀零部件材料:
| 
             材料  | 
            
             阀体、阀盖、阀瓣  | 
            
             碳素钢  | 
            
             铬镍钛不锈钢  | 
        
| 
             密封面  | 
            
             碳钢堆焊铁基合金  | 
            
             本体密封  | 
        
 H44H、H44Y型PN16~PN250旋启式钢制止回阀外形及结构尺寸:
| 
             公称通径 DN  | 
            
             主要外形尺寸和连接尺寸  | 
        ||||||
| 
             L  | 
            
             D  | 
            
             D1  | 
            
             D2  | 
            
             b  | 
            
             Z-d  | 
            
             H  | 
        |
| 
             H44H-16C H44W-16C H44W-16P H44W-16R H44W-16I  | 
        |||||||
| 
             25  | 
            
             160  | 
            
             115  | 
            
             85  | 
            
             65  | 
            
             16  | 
            
             4-14  | 
            
             100  | 
        
| 
             32  | 
            
             180  | 
            
             135  | 
            
             100  | 
            
             78  | 
            
             16  | 
            
             4-18  | 
            
             105  | 
        
| 
             40  | 
            
             200  | 
            
             145  | 
            
             100  | 
            
             85  | 
            
             16  | 
            
             4-18  | 
            
             115  | 
        
| 
             50  | 
            
             230  | 
            
             160  | 
            
             125  | 
            
             100  | 
            
             16  | 
            
             4-18  | 
            
             135  | 
        
| 
             65  | 
            
             290  | 
            
             180  | 
            
             145  | 
            
             120  | 
            
             18  | 
            
             4-18  | 
            
             142  | 
        
| 
             80  | 
            
             310  | 
            
             195  | 
            
             160  | 
            
             135  | 
            
             20  | 
            
             8-18  | 
            
             165  | 
        
| 
             100  | 
            
             350  | 
            
             215  | 
            
             180  | 
            
             155  | 
            
             20  | 
            
             8-18  | 
            
             180  | 
        
| 
             125  | 
            
             400  | 
            
             245  | 
            
             210  | 
            
             185  | 
            
             22  | 
            
             8-18  | 
            
             210  | 
        
| 
             150  | 
            
             480  | 
            
             280  | 
            
             240  | 
            
             210  | 
            
             24  | 
            
             8-23  | 
            
             233  | 
        
| 
             200  | 
            
             500  | 
            
             335  | 
            
             295  | 
            
             265  | 
            
             26  | 
            
             12-23  | 
            
             304  | 
        
| 
             250  | 
            
             550  | 
            
             405  | 
            
             355  | 
            
             320  | 
            
             30  | 
            
             12-25  | 
            
             348  | 
        
| 
             300  | 
            
             650  | 
            
             460  | 
            
             410  | 
            
             375  | 
            
             30  | 
            
             12-25  | 
            
             390  | 
        
| 
             350  | 
            
             750  | 
            
             520  | 
            
             470  | 
            
             435  | 
            
             34  | 
            
             16-25  | 
            
             430  | 
        
| 
             400  | 
            
             850  | 
            
             580  | 
            
             525  | 
            
             485  | 
            
             36  | 
            
             16-30  | 
            
             468  | 
        
| 
             H44H-25 H44W-25 H44W-25P H44W-25R H44W-25I  | 
        |||||||
| 
             25  | 
            
             160  | 
            
             115  | 
            
             85  | 
            
             65  | 
            
             16  | 
            
             4-14  | 
            
             100  | 
        
| 
             32  | 
            
             180  | 
            
             135  | 
            
             100  | 
            
             78  | 
            
             16  | 
            
             4-18  | 
            
             105  | 
        
| 
             40  | 
            
             200  | 
            
             145  | 
            
             110  | 
            
             85  | 
            
             16  | 
            
             4-18  | 
            
             115  | 
        
| 
             50  | 
            
             230  | 
            
             160  | 
            
             125  | 
            
             100  | 
            
             20  | 
            
             4-18  | 
            
             160  | 
        
| 
             65  | 
            
             290  | 
            
             180  | 
            
             145  | 
            
             120  | 
            
             22  | 
            
             8-18  | 
            
             175  | 
        
| 
             80  | 
            
             310  | 
            
             195  | 
            
             160  | 
            
             135  | 
            
             22  | 
            
             8-18  | 
            
             185  | 
        
| 
             100  | 
            
             350  | 
            
             230  | 
            
             190  | 
            
             160  | 
            
             24  | 
            
             8-23  | 
            
             220  | 
        
| 
             125  | 
            
             400  | 
            
             270  | 
            
             220  | 
            
             188  | 
            
             28  | 
            
             8-25  | 
            
             248  | 
        
| 
             150  | 
            
             480  | 
            
             300  | 
            
             250  | 
            
             218  | 
            
             30  | 
            
             8-25  | 
            
             276  | 
        
| 
             200  | 
            
             550  | 
            
             360  | 
            
             310  | 
            
             278  | 
            
             34  | 
            
             12-25  | 
            
             350  | 
        
| 
             250  | 
            
             650  | 
            
             425  | 
            
             370  | 
            
             332  | 
            
             36  | 
            
             12-30  | 
            
             410  | 
        
| 
             300  | 
            
             750  | 
            
             485  | 
            
             430  | 
            
             390  | 
            
             40  | 
            
             16-30  | 
            
             430  | 
        
| 
             350  | 
            
             850  | 
            
             550  | 
            
             490  | 
            
             448  | 
            
             44  | 
            
             16-34  | 
            
             518  | 
        
| 
             400  | 
            
             950  | 
            
             610  | 
            
             550  | 
            
             505  | 
            
             48  | 
            
             16-34  | 
            
             560  | 
        
