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Audited Supplier

Wuhan Grat Control Valve Co., Ltd.

Electric Butterfly Valve, Electric Ball Valve, Electric Control Valve manufacturer / supplier in China, offering Dn25 Cast Steel A216 Wcb Anti-Corrosion PTFE Lined Electric Ball Valve with Pn16 Flange, 4 Inch Wafer Type Viton Seat and Stainless Steel Disc Electric Butterfly Valve, Grat Ce Testified Soft Sealing Electric Trunnion Ball Valve and so on.

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Supplier Homepage Company Show Bulletin Board Installation and operation of electric butterfly valves

Bulletin Board

Installation and operation of electric butterfly valves [Jun 13,2017]
Installation and operation of electric butterfly valves
           Installation and operation of electric butterfly valves
1.Preparation before installation :
(1)Comfirm the application and the valve parameters is consistent.
(2)Check the valve passages and sealing surfaces,and clear the them.
(3)Technician should read manual carefully,according to the instruction
(4)Before installation, set the valve in a closed state to prevent 
(5)Flanged butterfly valve uses standard flanges,wafer butterfly valve
2.Electric butterfly valve can be installed in any angle of the pipeline,reverse  
    installation.
3.Flange butterfly valve installed at the end of the pipe, the end needs to  
   be equipped with flange sheets, to prevent deformation of the sealing 
   ring.
4.Electric butterfly valve control mechanism has been  adjusted in factory
   in order to prevent installing in wrong direction, the user first switches 
   on valve manually to the 50% position,  checkes the direction  indicator 
   to identify the right direction.