av亚洲成人,又黄又爽的视频网站,2023夜夜躁狠狠躁综合网,一级观看免费完整版视频,亚洲一区二区三区在线观看免费,999久久久久久久,国产高清999,国产欧美日韩综合精品一区二区
Products

Pipeline ball valve (separate bolt connection Trunnion ball valve)

Product Description

The split bolt connection fixed ball valve is anopen-close type control valve. The valve adopts side-mounted split boltconnection, usually adopts two-piece or three-piece structure design, conformsto API6D standard, and the seat sealing structure adopts multi-stage sealing(patent) technology. The valve has double blocking and venting function, andThere is a secondary emergency seal grease structure design to ensure leakagefrom the valve seat and stem. This series of valves has higher reliability,tightness, higher strength and longer service life. , It mainly used in naturalgas and transportation systems.

Design Specification

Design&Manufacturing:API 6D;GB/T 19672;API 608;GB/T 12237

End to End:API 6D;GB/T19672; ASME B 16.10; GB/T 12221

End Connection:ASME/ANSI B16.5 &B16.47a & B16.25;GB;JB;HG;JIS;DIN

Inspection & Test:API 6D;GB/T 19672; API 598;JB/T 9092

Product Design Features

Full bore or reduced bore

Anti-static ,comply with API6D

The support plate fixes the ball to ensure the puretorque of the stem

Medium cavity over pressure automatic venting

Blow-out proof stem, valve stem multi-stage seal

Seat and stem with emergency grease seal constructionand device

Floating double seat, multi-stage sealing seatstructure

Flexible switch, easy to operate, long life,maintenance free

Double blocking double bleed (DBB) structure

Stem lengthening design

Optional double piston effect seat

Mechanical limit of valve switch position

Fire proof,comply with API 607/API 6FA

Material


Shell

Ball

Seat Ring

Stem

CS

(A105,A350,LF2,A694)

CS+ENP

SS

DSS(A182 F51)

CS+ENP

SS

DSS(A182 F51)

CS/AS+ENP

SS

DSS(A182 F51)

SS&DSS

(A182 F6a,  F304,F316,F316L,17-4PH,F51)

SS

DSS(A182 F51)

SS

DSS(A182 F51)

SS

DSS(A182 F51)

Product Range

Nominal Diameter:2"~56"(DN50~DN1400)

Pressure Range:ANSI/ASME150Lb~2500Lb(PN16~420Mpa)

Suitable Temperature:-46~150℃

Operation:Manual ,Gear Box, Electric, Pneumatic, Hydraulic


  • URL : http://www.51bb00.cn
  • Tel : 021-67226688
  • Contact : Mr Cai
  • Contact address : No. 855, Yuegong Road, Jinshan Industrial Zone, Shanghai
All rights reserved@ CHINA SANBORA
主站蜘蛛池模板: 99久久久国产精品免费调教网站| 欧美日韩一区二区三区不卡视频| 综合久久一区| 九九热国产精品视频| 精品视频久| 日韩午夜电影院| 在线国产91| 日韩av在线影视| 中文字幕一区二区三区不卡| 亚洲乱亚洲乱妇50p| 国产馆一区二区| 国产高清在线精品一区二区三区 | 国产精品国产三级国产专区55| 国产日韩欧美亚洲| 国产精品久久久久久久久久嫩草| 精品美女一区二区三区| 91国产在线看| 少妇精品久久久久www蜜月| 欧美三区视频| 免费a一毛片| 国产精品久久久久久一区二区三区 | 国产大片一区二区三区| 少妇又紧又色又爽又刺激视频网站| 国产精品日韩高清伦字幕搜索| 国产精品日韩在线观看| 理论片高清免费理伦片| 亚洲精品卡一卡二| 日本一区二区三区免费在线| 亚洲精品色婷婷| 91秒拍国产福利一区| 午夜影院激情| 91一区在线观看| 蜜臀久久99精品久久久久久网站| 国产欧美日韩一级| 年轻bbwwbbww高潮| 性国产日韩欧美一区二区在线| 欧美精品中文字幕亚洲专区| 四虎国产永久在线精品| 国产精品久久久综合久尹人久久9| 欧美精品一卡二卡| 黄色国产一区二区| 国产日韩欧美亚洲| 国产日韩欧美91| 美女脱免费看直播| 国产精品9区| 久久er精品视频| 一区二区免费播放| 午夜影院试看五分钟| 91偷自产一区二区三区精品| 香蕉视频在线观看一区二区| 欧美二区精品| 精品久久香蕉国产线看观看gif| 狠狠色噜噜狠狠狠狠| 欧美日韩精品不卡一区二区三区| 午夜黄色网址| 蜜臀久久99精品久久久久久网站| 激情久久一区| 99国产精品免费观看视频re| 8x8x国产一区二区三区精品推荐| 精品国产一区二区三区免费 | 男女午夜影院| 免费观看又色又爽又刺激的视频| 亚洲精品久久在线| 狠狠躁狠狠躁视频专区| 日韩av在线影院| 免费久久99精品国产婷婷六月| 日韩午夜毛片| 久久一区二| 欧美一区二区三区三州| 国产美女三级无套内谢| 亚洲国产精品91| 欧洲精品一区二区三区久久| 日韩av在线导航| 国产精品丝袜综合区另类| 日韩一级免费视频| 久久一区二区视频| 久久精品国产久精国产| 欧美日韩一级黄| 美女脱免费看直播| xxxxhd欧美| 国产日韩一区二区三免费| 少妇性色午夜淫片aaa播放5|