Butterfly valve for cooling water

Function

 

D941X, D942X, D943H electric butterfly valve is installed on cooling water pipeline or steam condenser inlet/outlet for shutoff purpose.

 

Specification

 

Standard: GB/T 12238
Size: DN500~DN6000
Pressure: PN6~PN25
Shell test pressure: 1.5PN
Leak test pressure: 1.1PN
Opening course: 30~240s
Closing course: 30~240s
Installation: horizontal, vertical
Connection: flange
Applicable medium: raw water, seawater, river water

 

Material

 

Body: WCB, alloy, SS, QT450-10
Disc: WCB, alloy, SS, QT450-10
Shaft: 2Cr13, alloy
Packing: expanded graphite

 

Application

 

1. Installed at condenser inlet & outlet for isolation.
2. Installed at cooling water pump outlet to provide convenience for maintenance of hydraulic butterfly check valve.
3. Installed on circulating water pipeline to make a switch between two lines.

 

Features

 

• Compared with conventional butterfly valve, eccentric butterfly valve has advantages like frictionless opening, quick operation, long service life, excellent sealing performance, etc.
• Metallic seat which combines the advantages of hard seal and resilient seal.
• PTFE lined structure on request.