久久天天躁狠狠躁夜夜爽|色网日韩网站一区二区三区|国产激情久久久久影院老熟女|日本一区二区三区四区高清视频|国产乱来乱子视频

current location: Home   >> Product   >> Eelectric valve >> Electric butterfly valve

Rigidity seal electric butterfly valve

詳情介紹

product description

Product features

1, the valve adopts three eccentric sealing structure, the seat and disc almost no wear, with more view more tight sealing function.

2, the seal ring is made of stainless steel, with metal hard seal and elastic seal double advantages, no matter in the case of low temperature and high temperature, have excellent sealing performance, corrosion resistance, long service life and other characteristics.

3, plate sealing surface using surfacing welding cobalt base hard alloy, sealing surface wear resistance, long service life.

4, large size butterfly board adopts quilted structure, high strength, large flow area, small flow resistance.

5, the valve has a two-way sealing function, installation is not limited by the flow of media, also not affected by the space position, can be installed in any direction.

6. The driving device can be installed at multiple stations (rotating 90° or 180°), which is convenient for users to use.

Main technical parameters

drive mode
DN(mm)50~2000
PN(MPa)0.61.01.62.5
seal test(MPa)0.661.11.762.75
strength test(MPa)0.91.52.43.75
applicable temperatureCarbon steel: -29℃ ~ 425℃ stainless steel: -40℃ ~ 650℃
applicable mediumWater, air, natural gas, oil and weak corrosive fluids
leakage rateComply with GB/ t13927-92 standard
Worm gear drive, electric, pneumatic, hydraulic

Material of main parts

padding

name of parts
Materials
valve bodyWCB, alloy steel, stainless steel, QT4500
DiscWCB, alloy steel, stainless steel, QT4500
valve shaft2Cr13 stainless steel, alloy steel
seal ringmechanical ring
flexible graphite

adoption standard

Flange standard

manufacturer's standard
JB/T 8527-97
GB9113-2000
Structural length standardGB12221-89
test standardGB/T 13927-92

D943h10/16/25 / electric hard-seal butterfly valve main configuration connection size (unit :mm)


DN
main dimensionFlange dimensions and bolt specifications
1.0MPa1.6MPa2.5MPa
LH1HDD1n-ФdDD1n-ФdDD1n-Фd
50108530112165125481651254816512548
65112530115185145481851454818514588
80114565120200160482001608820016088
10012760013822018088220180882351908-22
12514064016425021088250210882702208-26
1501407051752852408-222852408-223002508-26
2001527752003402958-2234029512-2236031012-26
25016594524339535012-2240535512-2642537012-30
300178107025044540012-2246041012-2648543016-30
350190114028050546016-2252047012-2655549016-33
400216121030556551516-2658052516-2662055016-36
450222133535061556520-2664058516-3067060020-36
500229141538067062020-2671565020-3073066020-36
600267160544578072520-3084077020-3384577020-39
700292184448089584024-3091084024-3696087524-42
8003182040530101595024-33102595024-39108599024-48
90033022555801115105028-331125105028-391185109028-48
100041023806501230116028-361255117028-421320121028-56
120047026407601455138032-391485139032-481530142032-56
140053028868501675159036-421685159036-481755164036-62
1600600315610301915182040-481930182040-561975186040-62
1800670342112302115202044-482130202044-562195207044-70
2000760368513502325223048-482345223048-622425230048-70



主站蜘蛛池模板: 国产偷国产偷亚洲高清日韩| 无码福利日韩神码福利片| 色偷偷中文字幕综合久久| 亚洲天堂网一区二区三区四区 | 99国产欧美另类久久久精品| 国产精品一区二区av麻豆| 少妇高潮太爽了在线视频| 东京热中文字幕一区| 中文幕无线码中文字蜜桃| 少妇人妻成人一区| 亚洲另类在线制服丝袜国产| 国自产精品手机在线观看视频| 国产偷抇久久精品a片69| 国产精品1区2区3区在线观看| 亚洲天堂成人一区| 日韩中文字幕一区二十| 国产亚洲国际精品福利| 久久久噜噜噜久噜久久| 二级一级二区一区黄色片| 无码一区二区三区在线| 日韩精品东京热无码视频| 欧美精欧美乱码一二三四区 | 成人品视频观看在线| 久久综合给合久久97色| 男人边吃奶边做呻吟免费视频| 国产99re热这里只有精品| 国产成人片无码视频在线观看| 国产精品热久久无码av| 日产精品一卡2卡三卡4乱码| 动漫精品视频一区| 国产99视频精品免费观看6| √新版天堂资源在线资源| 天天澡夜夜澡狠狠久久| 欧美精品videosex极品 | 亚洲蜜芽在线精品一区| 2021精品亚洲中文字幕| 亚洲熟妇成人精品一区| 欧美成人午夜免费影院手机在线看| 日本亚洲欧洲免费无线码| 精品乱码一区二区三区四区| 久久中文骚妇内射|