JT968Y series cooling water main door
■Performance characteristics
The JT968Y series cooling water main valve is installed on the cooling water main pipe as an opening and closing device.This valve adopts the form of a pressure differential throttling sleeve,with detachable valve internals,anti erosion,long service life,and easy maintenance.It is widely used in 15-600MW units.
■Material Description
The valve body and cover are made of 20G,WB36 forged steel parts,and ZG250 castings;Welding hard alloy on the sealing surface of valve seat and valve core;
The throttle cover adopts stainless steel hard nitriding treatment;The valve stem is made of precipitation hardened stainless steel cobalt based hard alloy.