Butterfly valve for cooling water

butterfly valve in power plant

Category Valve

Product Details

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

Installed at condenser inlet & outlet for isolation.
Installed at cooling water pump outlet to provide convenience for maintenance of hydraulic butterfly check valve.
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.

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