久久强奷乱码老熟女,亚洲另类日本欧美专区,国产成人拍拍拍高潮尖叫,日本xxxxx片免费观看

  • 1
Welcome all the elite valve sales and special valve cooperation, development win-win! Tel 024-72602416

Products

Home  > Products

Variable frequency speed regulating electric butterfly valve
Product introduction

Product standard: GB12238

Nominal pressure: PN0.25-1.6MPa

Nominal diameter: -2400mm DN500

The electric device of the butterfly valve adopts the frequency conversion speed regulation technology of the microcomputer, and the valve has the characteristics of multistage variable speed closing.

The valve installed in the pump outlet, can replace the gate valve (valve) and check valve two sets of valves, and the short length of the structure, double plate truss type butterfly plate, fully open when the flow resistance coefficient is less than 0.3, closed, fast, slow closing in two stages, according to different conditions, select off angle and time.


Outline and installation dimensions
Products online booking
Product name Variable frequency speed regulating electric butterfly valve
*Order quantity Corporate name
*Linkman *Contact number
*Phone Email
Address
*Message
*Verification Code Please enter what you see
 
?