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D941/3H/X electric butterfly valve flange
Product Name:
D941/3H/X electric butterfly valve flange
Description:

電動法蘭蝶閥 D941/3H/X:

產品概述:

    采(cai)用精密的J形彈性密封(feng)(feng)圈和(he)三偏心多層次金屬硬密封(feng)(feng)結構(gou),被廣泛(fan)用于(yu)介質溫度≤425℃的治金 、電力、石(shi)油(you)化工、以及給排(pai)水和(he)市政建設等工業(ye)管道上,作(zuo)調節流量和(he)載斷流體使用。該閥(fa)采(cai)用三偏心結構(gou),閥(fa)座與碟板密封(feng)(feng)面均采(cai)用不同硬度和(he)不銹鋼(gang)制作(zuo),具(ju)有良好(hao)的耐腐(fu)蝕性,使用壽命長,本(ben)閥(fa)均有雙向密封(feng)(feng)功能,產品符合國家GB/T13927-92閥(fa)門壓力試驗標準。

特 點:

  1. 本閥采用(yong)三偏心密封結構(gou),閥座與蝶板幾(ji)乎無磨損,具有越(yue)觀越(yue)緊的(de)密封功能。
  2. 密封(feng)(feng)圈選用(yong)不銹鋼制作(zuo),具(ju)(ju)有(you)金屬(shu)硬密封(feng)(feng)和彈性密封(feng)(feng)的雙(shuang)重(zhong)優(you)點,無論在低溫和高(gao)溫的情況下,均(jun)具(ju)(ju)有(you)優(you)良的密封(feng)(feng)性能,具(ju)(ju)有(you)耐腐(fu)蝕,使(shi)用(yong)壽命長(chang)等特點。
  3. 碟板密封(feng)面采用堆焊(han)鈷基(ji)硬質(zhi)合金,密封(feng)面耐(nai)磨損,使(shi)用壽(shou)命長.
  4. 大規格蝶板采用絎架結構,強度高,過流面積大,流阻小(xiao)。
  5. 本閥具有雙向密封功(gong)能,安(an)裝(zhuang)時(shi)不受(shou)介質流向的限制,也不受(shou)空間位置的影響,可在任何方向安(an)裝(zhuang)。
  6. 驅動裝置可以多工位(旋轉90°或180°)安裝,便于用戶使用。

主要技(ji)術(shu)參數

公稱通經DN(mm)
50~2000
公稱藥理PN(MPa)
0.6
1.0
1.6
2.5
密封試驗(MPa)
0.66
1.1
1.76
2.75
強度試驗(MPa)
0.9
1.5
2.4
3.75
適用溫度
碳鋼:-29℃~425℃ 不銹鋼:-40℃~650℃
適用介質
水、空氣、天然氣、油品及弱腐蝕性流體
泄漏率
符合GB/T13927-92標準
驅動方式
蝸輪傳動、電動、氣動、液動

主要(yao)零部(bu)件材料

零件名稱
材料
閥體
WCB、合金鋼、不銹鋼、QT450-10
蝶板
WCB、合金鋼、不銹鋼、QT450-10
閥軸
2Cr13不銹鋼、合金鋼
密封圈
不銹鋼圈
填料
柔性石墨

執行標準:

制造標準
JB/T 8527-97
法蘭標準
GB9113-2000
結構長度標準
GB12221-89
檢驗標準
GB/T 13927-92

產品尺(chi)寸參(can)數 D943H-10/16/25/電動硬密(mi)封蝶閥  (單位:mm)

公稱通經(DN)

主要尺寸
法蘭尺寸和螺栓規格
1.0MPa
1.6MPa
2.5MPa
L
H1
H
D
D1
n-Фd
D
D1
n-Фd
D
D1
n-Фd
50
108
530
112
165
125
4-18
165
125
4-18
165
125
4-18
65
112
530
115
185
145
4-18
185
145
4-18
185
145
8-18
80
114
565
120
200
160
4-18
200
160
8-18
200
160
8-18
100
127
600
138
220
180
8-18
220
180
8-18
235
190
8-22
125
140
640
164
250
210
8-18
250
210
8-18
270
220
8-26
150
140
705
175
285
240
8-22
285
240
8-22
300
250
8-26
200
152
775
200
340
295
8-22
340
295
12-22
360
310
12-26
250
165
945
243
395
350
12-22
405
355
12-26
425
370
12-30
300
178
1070
250
445
400
12-22
460
410
12-26
485
430
16-30
350
190
1140
280
505
460
16-22
520
470
12-26
555
490
16-33
400
216
1210
305
565
515
16-26
580
525
16-26
620
550
16-36
450
222
1335
350
615
565
20-26
640
585
16-30
670
600
20-36
500
229
1415
380
670
620
20-26
715
650
20-30
730
660
20-36
600
267
1605
445
780
725
20-30
840
770
20-33
845
770
20-39
700
292
1844
480
895
840
24-30
910
840
24-36
960
875
24-42
800
318
2040
530
1015
950
24-33
1025
950
24-39
1085
990
24-48
900
330
2255
580
1115
1050
28-33
1125
1050
28-39
1185
1090
28-48
1000
410
2380
650
1230
1160
28-36
1255
1170
28-42
1320
1210
28-56
1200
470
2640
760
1455
1380
32-39
1485
1390
32-48
1530
1420
32-56
1400
530
2886
850
1675
1590
36-42
1685
1590
36-48
1755
1640
36-62
1600
600
3156
1030
1915
1820
40-48
1930
1820
40-56
1975
1860
40-62
1800
670
3421
1230
2115
2020
44-48
2130
2020
44-56
2195
2070
44-70
2000
760
3685
1350
2325
2230
48-48
2345
2230
48-62
2425
2300
48-70

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