Hunan Neptune Pump Co., Ltd. (NEP)
Vertical Mixed Flow Pump
Vertical mixed flow pump is a type of vane pump that the features are between centrifugal and axial flow pump, working under the combination of centrifugal force and thrust generated by the impeller rotation, and the direction of liquid out of impeller inclined to axis.
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Characteristics
- Mixed flow impeller
- Single or multistage impeller
- Packed Stuffing box for axial sealing
- Clockwise rotation viewed from coupling end or counter clockwise as requirement
- Outlet diameter under 1000mm with non-pull out rotor, above 1000mm with pull out rotor to ease dismantling and maintenance
- Closed ,semi open or open impeller as the condition of service
- Pump’s length adjustment under foundation as requirement
- Starting without vacuumizing for long service life
- Space saving with vertical construction
Design feature
- Axial thrust supporting in pump or motor
- Above or below ground discharge installation
- External lubrication or self –lubricated
- Shaft connection with sleeve coupling or HLAF coupling
- Dry pit or wet pit installation
- Bearing provide with rubber,teflon or thordon
- High efficiency design for operation cost reduction
Material
- Bearing:
- Rubber as standard
- Thordon,graphite,bronze and ceramic available
- Discharge Elbow:
- Carbon steel with Q235-A
- Stainless steel available as different media
- Bowl:
- Cast iron Bowl
- Cast steel,304stainless steel impeller available
- Sealing ring:
- Cast iron,cast steel,stainless
- Shaft & Shaft Sleeve
- 304 SS/316 or duplex stainless steel
- Column：
- Cast steel Q235B
- Stainless as optional
Optional materials available on request, cast iron only for closed impeller