亚洲视频一区二区,国产一区二区网站,国产精品…在线观看,欧美高清正版在线,欧美日韩 国产区 在线观看,亚洲最新视频在线观看

Close the valve quickly

Products > Butterfly valve > Close the valve quickly

Close the valve quickly

Model: YKD type D743H
Nominal diameter: DN150 ~ 2000mm
Nominal: PN2.5 ~ 40.0MPa
Medium: steam, blast furnace gas, water, gas, air, oil, etc.
Medium temperature: ≤600 ℃
Design and manufacture: GB12238
Flange connection: GB / T9113, GB / T17241.6
Structure length: GB12221
Pressure test: GB / T13927, JB / T9092
Contact purchase
shared:

Product description

Products are mainly used in turbine extraction pipelines, blast furnace gas pressure generating device into the gas pipeline and other high-level safety control system for urgent emergency off valve: in the system crisis conditions or accidents, in 0.3-0.5 Seconds to try an emergency off the moment the valve to achieve a reliable medium for the pipeline to effectively prevent the steam turbine tail steam and condensate back or cut off the gas pipeline to protect the safety turbine unit. The introduction of this product to introduce advanced foreign fast shut-off valve function, and technical optimization and improvement, additional buffer device to avoid inertial impact, product performance more reliable, and extend the service life of the valve.
 

Features
 1, using the optimized three-dimensional structure of the eccentric metal seal, high temperature anti-jamming, open and close easily and completely avoid the traditional metal seal contacting the valve abrasion ills; 
 2, reliable sealing, zero leakage seal test; 
 3, direct Rack and pinion piston drive, compact structure, 3 ° closed buffer design, constant torque opening and closing, reliable action; 
 4, integral or split electro-hydraulic control device, easy installation.

 

The main dimensions (PN = 2.5MPa)

DNLDD1bndB1B2B3B4H1H2H0
200152320280248191281508801340176481887
2501653753352612191281508801340210518958
30017844039526122312815088013402385771045
350190490445261223135160106617222706171140
400216540495261623135160106617223026591214
450222595550281623135160106617223326781263
500229645600282023180205138022203707381370
600267755705302028180205138022204328271521
700292860810302428180205138022204708751607
800318975920322431195220155025105309531763
900330107510203424311952201550251058010001860
1000410117511203428311952201550251065010922022
1200470140513403832342212501745277776512382307
1400530163015604236372212501745277789013192513
16006001830176046403722125017452777101014292743


欧美大香a蕉免费| chinese国产高清av内谢| 公的大龟慢慢挺进我的体内视频 | 久久久精品人妻一区二区三区蜜桃| 日韩精品久久无码中文字幕| 亚洲色大成网站www永久男同| 青娱乐国产精品视频| 日本亚洲精品色婷婷在线影院| 色人格第四色| 成年美女黄网站色大免费视频| 国产精品美女久久久浪潮av| 97人妻天天爽夜夜爽二区| 黄瓜视频在线观看| 美女扒开内裤无遮挡网站| 亚洲欧美日韩久久精品第一区| 亚洲日本在线电影| 国内大量揄拍人妻精品視頻| 邻居少妇张开腿让我爽了在线观看 | 国产成人免费片在线视频观看| 国产欧美精品一区二区三区-老狼| 国产成人精品免费久久久久| 国产偷窥熟女精品视频| 日日噜噜噜夜夜爽爽狠狠| 国产成人无码一区二区在线播放| 国产资源在线视频| 亚洲欧洲国产经精品香蕉网| 成人免费区一区二区三区| 精品国产一区二区三区久久狼| 欧美日韩精品久久久免费观看| 欧美日韩欧美| a级国产乱理论片在线观看| 欧美精选欧美极品| 国产精品99久久久久久猫咪| 国产精品美女久久久网av| 少妇激情av一区二区| 国产无吗一区二区三区在线欢| 欧美日韩不卡合集视频| 国产成人综合美国十次| 无码丰满熟妇一区二区| 99久久99久久精品国产片| 七次郎在线视频精品视频|