閘閥又稱閘板閥或閘門閥,應用最廣泛的一種閥門。它是通過閘板的升降來控制閥門的啟閉,閘板垂直于流體方向,改變閘板與閥座間相對位置即可改變通道大小。
閘閥具有以下優(yōu)點:
1、流體阻力小,密封面受介質的忡刷和侵蝕小。
2、開閉較省力。
3、介質流向不受限制,不擾流、不降低壓力。
4、形體簡單,結構長度短,制造工藝性好,適用范圍廣。
主要零件材質及參數(shù) Main Parts materials and Parameters
| 
             產品材料 
             | 
            
             304系列 
             | 
            
             304L系列 
             | 
            
             316系列 
             | 
            
             316L系列 
             | 
            
             321系列 
             | 
        |
| 
             主要零件材料  | 
            
             閥體、閥蓋 
            Body、Bonnet  | 
            
             CF8 
             | 
            
             CF3 
             | 
            
             CF8M 
             | 
            
             CF3M 
             | 
            
             OCr18Ni10Ti 
             | 
        
| 
             支架、閘板 
            Support、Disc  | 
            
             CF8 
             | 
            
             CF3 
             | 
            
             CF8M 
             | 
            
             CF3M 
             | 
            
             OCr18Ni10Ti 
             | 
        |
| 
             閥桿 Stem 
             | 
            
             304 
             | 
            
             304L 
             | 
            
             316 
             | 
            
             316L 
             | 
            
             321 
             | 
        |
| 
             螺栓 Bolt 
             | 
            
             A193-B8 
             | 
            
             A193-B8 
             | 
            
             A193-B8M 
             | 
            
             A193-B8M 
             | 
            
             A193-B8M 
             | 
        |
| 
             螺母 Nut 
             | 
            
             A194-8M 
             | 
            
             A194-8M 
             | 
            
             A194-8M 
             | 
            
             A194-8M 
             | 
            
             A194-8M 
             | 
        |
| 
             填料、墊圈 
            Stuffing、Washer  | 
            
             PTEF、PTEF+304 
             | 
            
             PTEF、PTEF+304L 
             | 
            
             PTEF、PTEF+316 
             | 
            
             PTEF、PTEF+316L 
             | 
            
             PTEF、PTEF+321 
             | 
        |
| 
             適用工況  | 
            
             適合介質 
            Applicable medium  | 
            
             硝酸腐蝕性介質 
            Nitric acid etc corrosive medium  | 
            
             醋酸等腐蝕性介質 
            Acetic acid etc corrosive medium  | 
        |||
| 
             適用溫度 
            Applicable temperature  | 
            
             -28~300℃ 
             | 
        |||||
| 
             應用規(guī)范  | 
            
             法蘭尺寸按 
            Flange dimension follows  | 
            
             JB79-59、SH3406、GB9113、HG20592-97 
             | 
        ||||
| 
             設計制造按Desing manutacture follows 
             | 
            
             GB12234 
             | 
        |||||
| 
             結構長度按 
            Face to Face follows  | 
            
             GB12221 
             | 
        |||||
| 
             檢驗試驗按 
            Teat and inspection follows  | 
            
             BG/T13927-89 JB/T9092 
             | 
        |||||
| 
             1.6~16.0MPa 
             | 
        ||||||
PN1.6MPa主要連接尺寸及重量 Main connection dimensions and weights
| 
             尺寸(mm) 
            Dimensions  | 
            
             DN 
             | 
            
             15 
             | 
            
             20 
             | 
            
             25 
             | 
            
             32 
             | 
            
             40 
             | 
            
             50 
             | 
            
             65 
             | 
            
             80 
             | 
            
             100 
             | 
            
             125 
             | 
            
             150 
             | 
            
             200 
             | 
            
             250 
             | 
            
             300 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             500 
             | 
            
             600 
             | 
        
| 
             L 
             | 
            
             mm 
             | 
            
             130 
             | 
            
             150 
             | 
            
             160 
             | 
            
             180 
             | 
            
             200 
             | 
            
             250 
             | 
            
             265 
             | 
            
             280 
             | 
            
             300 
             | 
            
             325 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             500 
             | 
            
             550 
             | 
            
             600 
             | 
            
             650 
             | 
            
             700 
             | 
            
             800 
             | 
        
| 
             H 
             | 
            
             mm 
             | 
            
             175 
             | 
            
             180 
             | 
            
             210 
             | 
            
             210 
             | 
            
             350 
             | 
            
             358 
             | 
            
             373 
             | 
            
             435 
             | 
            
             500 
             | 
            
             614 
             | 
            
             674 
             | 
            
             818 
             | 
            
             1225 
             | 
            
             1415 
             | 
            
             1630 
             | 
            
             1780 
             | 
            
             2050 
             | 
            
             2181 
             | 
            
             2599 
             | 
        
| 
             D 
             | 
            
             mm 
             | 
            
             120 
             | 
            
             140 
             | 
            
             160 
             | 
            
             180 
             | 
            
             200 
             | 
            
             240 
             | 
            
             240 
             | 
            
             280 
             | 
            
             300 
             | 
            
             320 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             500 
             | 
            
             550 
             | 
            
             600 
             | 
            
             650 
             | 
            
             700 
             | 
            
             750 
             | 
        
| 
             重量 
            wight  | 
            
             kg 
             | 
            
             4 
             | 
            
             5 
             | 
            
             6 
             | 
            
             7 
             | 
            
             18 
             | 
            
             29 
             | 
            
             93 
             | 
            
             46 
             | 
            
             63 
             | 
            
             108 
             | 
            
             134 
             | 
            
             192 
             | 
            
             228 
             | 
            
             300 
             | 
            
             388 
             | 
            
             566 
             | 
            
             900 
             | 
            
             958 
             | 
            
             1410 
             | 
        
PN2.5MPa主要連接尺寸及重量 Main connection dimensions and weights
| 
             尺寸(mm) 
            Dimensions  | 
            
             DN 
             | 
            
             15 
             | 
            
             20 
             | 
            
             25 
             | 
            
             32 
             | 
            
             40 
             | 
            
             50 
             | 
            
             65 
             | 
            
             80 
             | 
            
             100 
             | 
            
             125 
             | 
            
             150 
             | 
            
             200 
             | 
            
             250 
             | 
            
             300 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             500 
             | 
            
             600 
             | 
        
| 
             L 
             | 
            
             mm 
             | 
            
             130 
             | 
            
             150 
             | 
            
             160 
             | 
            
             180 
             | 
            
             200 
             | 
            
             250 
             | 
            
             265 
             | 
            
             280 
             | 
            
             300 
             | 
            
             325 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             500 
             | 
            
             550 
             | 
            
             600 
             | 
            
             650 
             | 
            
             700 
             | 
            
             800 
             | 
        
| 
             H 
             | 
            
             mm 
             | 
            
             175 
             | 
            
             180 
             | 
            
             210 
             | 
            
             210 
             | 
            
             350 
             | 
            
             358 
             | 
            
             373 
             | 
            
             435 
             | 
            
             500 
             | 
            
             614 
             | 
            
             674 
             | 
            
             818 
             | 
            
             1225 
             | 
            
             1415 
             | 
            
             1630 
             | 
            
             1780 
             | 
            
             2050 
             | 
            
             2181 
             | 
            
             2599 
             | 
        
| 
             D 
             | 
            
             mm 
             | 
            
             120 
             | 
            
             140 
             | 
            
             160 
             | 
            
             180 
             | 
            
             200 
             | 
            
             240 
             | 
            
             240 
             | 
            
             280 
             | 
            
             300 
             | 
            
             320 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             500 
             | 
            
             550 
             | 
            
             600 
             | 
            
             650 
             | 
            
             700 
             | 
            
             750 
             | 
        
| 
             重量 
            wight  | 
            
             kg 
             | 
            
             4 
             | 
            
             5 
             | 
            
             6 
             | 
            
             7 
             | 
            
             18 
             | 
            
             29 
             | 
            
             33 
             | 
            
             46 
             | 
            
             64 
             | 
            
             105 
             | 
            
             142 
             | 
            
             213 
             | 
            
             290 
             | 
            
             324 
             | 
            
             423 
             | 
            
             566 
             | 
            
             900 
             | 
            
             958 
             | 
            
             1410 
             | 
        
PN4.0MPa主要連接尺寸及重量 Main connection dimensions and weights
| 
             尺寸(mm) 
            Dimensions  | 
            
             DN 
             | 
            
             15 
             | 
            
             20 
             | 
            
             25 
             | 
            
             32 
             | 
            
             40 
             | 
            
             50 
             | 
            
             65 
             | 
            
             80 
             | 
            
             100 
             | 
            
             125 
             | 
            
             150 
             | 
            
             200 
             | 
            
             250 
             | 
            
             300 
             | 
            
             350 
             | 
            
             400 
             | 
        
| 
             L 
             | 
            
             mm 
             | 
            
             130 
             | 
            
             150 
             | 
            
             160 
             | 
            
             180 
             | 
            
             200 
             | 
            
             250 
             | 
            
             280 
             | 
            
             310 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             550 
             | 
            
             650 
             | 
            
             750 
             | 
            
             850 
             | 
            
             950 
             | 
        
| 
             H 
             | 
            
             mm 
             | 
            
             175 
             | 
            
             180 
             | 
            
             210 
             | 
            
             210 
             | 
            
             350 
             | 
            
             358 
             | 
            
             373 
             | 
            
             435 
             | 
            
             500 
             | 
            
             614 
             | 
            
             674 
             | 
            
             818 
             | 
            
             1225 
             | 
            
             1415 
             | 
            
             1630 
             | 
            
             1780 
             | 
        
| 
             D 
             | 
            
             mm 
             | 
            
             120 
             | 
            
             140 
             | 
            
             160 
             | 
            
             180 
             | 
            
             200 
             | 
            
             240 
             | 
            
             280 
             | 
            
             300 
             | 
            
             320 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             500 
             | 
            
             550 
             | 
            
             600 
             | 
            
             650 
             | 
        
| 
             重量 
            wight  | 
            
             kg 
             | 
            
             4 
             | 
            
             5 
             | 
            
             6 
             | 
            
             7 
             | 
            
             18 
             | 
            
             29 
             | 
            
             33 
             | 
            
             46 
             | 
            
             64 
             | 
            
             105 
             | 
            
             142 
             | 
            
             213 
             | 
            
             374 
             | 
            
             550 
             | 
            
             890 
             | 
            
             1235 
             | 
        
PN6.4MPa主要連接尺寸及重量 Main connection dimensions and weights
| 
             尺寸(mm) 
            Dimensions  | 
            
             DN 
             | 
            
             15 
             | 
            
             20 
             | 
            
             25 
             | 
            
             32 
             | 
            
             40 
             | 
            
             50 
             | 
            
             65 
             | 
            
             80 
             | 
            
             100 
             | 
            
             125 
             | 
            
             150 
             | 
            
             200 
             | 
            
             250 
             | 
            
             300 
             | 
            
             350 
             | 
            
             400 
             | 
        
| 
             L 
             | 
            
             mm 
             | 
            
             170 
             | 
            
             190 
             | 
            
             210 
             | 
            
             230 
             | 
            
             240 
             | 
            
             250 
             | 
            
             280 
             | 
            
             310 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             550 
             | 
            
             650 
             | 
            
             750 
             | 
            
             850 
             | 
            
             950 
             | 
        
| 
             H 
             | 
            
             mm 
             | 
            
             185 
             | 
            
             200 
             | 
            
             230 
             | 
            
             280 
             | 
            
             350 
             | 
            
             360 
             | 
            
             373 
             | 
            
             435 
             | 
            
             500 
             | 
            
             600 
             | 
            
             670 
             | 
            
             818 
             | 
            
             970 
             | 
            
             1140 
             | 
            
             1280 
             | 
            
             1450 
             | 
        
| 
             D 
             | 
            
             mm 
             | 
            
             140 
             | 
            
             140 
             | 
            
             160 
             | 
            
             180 
             | 
            
             240 
             | 
            
             240 
             | 
            
             280 
             | 
            
             300 
             | 
            
             300 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             500 
             | 
            
             550 
             | 
            
             600 
             | 
            
             650 
             | 
        
| 
             重量 
            wight  | 
            
             kg 
             | 
            
             4 
             | 
            
             5 
             | 
            
             12 
             | 
            
             25 
             | 
            
             32 
             | 
            
             40 
             | 
            
             45 
             | 
            
             61 
             | 
            
             89 
             | 
            
             140 
             | 
            
             206 
             | 
            
             327 
             | 
            
             467 
             | 
            
             590 
             | 
            
             900 
             | 
            
             1190 
             | 
        
PN10.0MPa主要連接尺寸及重量 Main connection dimensions and weights
| 
             尺寸(mm) 
            Dimensions  | 
            
             DN 
             | 
            
             15 
             | 
            
             20 
             | 
            
             25 
             | 
            
             32 
             | 
            
             40 
             | 
            
             50 
             | 
            
             65 
             | 
            
             80 
             | 
            
             100 
             | 
            
             125 
             | 
            
             150 
             | 
            
             200 
             | 
            
             250 
             | 
        
| 
             L 
             | 
            
             mm 
             | 
            
             170 
             | 
            
             190 
             | 
            
             210 
             | 
            
             230 
             | 
            
             240 
             | 
            
             250 
             | 
            
             280 
             | 
            
             310 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             550 
             | 
            
             650 
             | 
        
| 
             H 
             | 
            
             mm 
             | 
            
             185 
             | 
            
             200 
             | 
            
             230 
             | 
            
             280 
             | 
            
             350 
             | 
            
             360 
             | 
            
             373 
             | 
            
             435 
             | 
            
             500 
             | 
            
             600 
             | 
            
             670 
             | 
            
             818 
             | 
            
             970 
             | 
        
| 
             D 
             | 
            
             mm 
             | 
            
             140 
             | 
            
             140 
             | 
            
             160 
             | 
            
             180 
             | 
            
             240 
             | 
            
             240 
             | 
            
             280 
             | 
            
             300 
             | 
            
             320 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             500 
             | 
        
| 
             重量 
            wight  | 
            
             kg 
             | 
            
             8 
             | 
            
             12 
             | 
            
             16 
             | 
            
             20 
             | 
            
             32 
             | 
            
             51 
             | 
            
             70 
             | 
            
             89 
             | 
            
             130 
             | 
            
             223 
             | 
            
             295 
             | 
            
             560 
             | 
            
             640 
             | 
        
PN16.0MPa主要連接尺寸及重量 Main connection dimensions and weights
| 
             尺寸(mm) 
            Dimensions  | 
            
             DN 
             | 
            
             15 
             | 
            
             20 
             | 
            
             25 
             | 
            
             32 
             | 
            
             40 
             | 
            
             50 
             | 
            
             65 
             | 
            
             80 
             | 
            
             100 
             | 
            
             125 
             | 
            
             150 
             | 
            
             200 
             | 
        
| 
             L 
             | 
            
             mm 
             | 
            
             170 
             | 
            
             190 
             | 
            
             210 
             | 
            
             230 
             | 
            
             240 
             | 
            
             300 
             | 
            
             340 
             | 
            
             390 
             | 
            
             450 
             | 
            
             525 
             | 
            
             600 
             | 
            
             750 
             | 
        
| 
             H 
             | 
            
             mm 
             | 
            
             175 
             | 
            
             180 
             | 
            
             210 
             | 
            
             230 
             | 
            
             350 
             | 
            
             359 
             | 
            
             373 
             | 
            
             435 
             | 
            
             500 
             | 
            
             614 
             | 
            
             674 
             | 
            
             818 
             | 
        
| 
             D 
             | 
            
             mm 
             | 
            
             140 
             | 
            
             140 
             | 
            
             160 
             | 
            
             180 
             | 
            
             240 
             | 
            
             280 
             | 
            
             300 
             | 
            
             350 
             | 
            
             400 
             | 
            
             450 
             | 
            
             500 
             | 
            
             550 
             | 
        
| 
             重量 
            wight  | 
            
             kg 
             | 
            
             8 
             | 
            
             12 
             | 
            
             16 
             | 
            
             20 
             | 
            
             32 
             | 
            
             73 
             | 
            
             110 
             | 
            
             141 
             | 
            
             185 
             | 
            
             320 
             | 
            
             462 
             | 
            
             710 
             |