Single Stage Double Suction Axially Split Case Pump for Large Volume Liquid Transfer The COS series axial split case centrifugal pump is a high-performance, reliable single-stage double-suction pump designed for large-scale liquid transfer. It is widely used in water supply systems, industrial cooling, heating networks, building water supply, irrigation, drainage stations, power plants, fire protection, shipbuilding, mining water systems, and more. Flow Passage Material Options:
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The COS series split casing pumps can be customized with different materials depending on the application. Common material configurations include:
Recommended Material Configuration (For Reference)
Item
Clean Water
Drinking Water
Sewage Water
Hot Water
Sea Water
Casing & Cover
Gray Iron (HT250)
Stainless Steel 304
Ductile Iron (QT500)
Cast Steel
Duplex Stainless Steel 2205
Impeller
Gray Iron (HT250)
Stainless Steel 304
Ductile Iron (QT500)
2Cr13
Duplex Stainless Steel 2205
Wear Ring
Gray Iron (HT250)
Stainless Steel 304
Ductile Iron (QT500)
2Cr13
Duplex Stainless Steel 2205
Shaft
Carbon Steel 45
Stainless Steel 420
40Cr
40Cr
Duplex Stainless Steel 2205
Shaft Sleeve
Carbon Steel 45
Stainless Steel 304
Stainless Steel 304
Stainless Steel 304
Duplex Stainless Steel 2205
Note: Material selection may vary based on liquid type and operating conditions.
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a) Outlet Diameter: 80–1200 mm
b) Flow Rate: 100–15,000 m³/h
c) Head: 15–220 m
Key Features:
• Compact and efficient design
• High efficiency and stable performance
• High flow capacity with medium pressure
• Excellent concentricity of internal components
• Easy maintenance and long service life
• Municipal water supply systems
• Industrial and building water supply
• Irrigation and drainage stations
• Power plant water circulation
• Fire fighting systems
• Shipbuilding and marine applications
• Mining water supply and drainage
**Product Specifications**
Model No.: S, SM, SF, SY, SH
Pump Shaft Position: Horizontal
Pump Casing Type: Horizontal Split
Mounting Type: Suction Centrifugal
Impeller Type: Closed
Usage: Water Pump, Circulating Pump, Irrigation Pump
Material: Cast Iron, Ductile Iron, Cast Steel
Voltage: 380V / 415V / 440V / 460V / 3kV / 6kV
Application 1: Irrigation
Application 2: Industrial Water Supply
Application 3: Power Plant Water Circulation
Application 4: Fire Fighting
Application 5: Civil Water Supply
Application 6: River Water Intake and Discharge
Application 7: Sea Water Intake
Trademark: SanChang
Shipping Package: Standard Export Wooden Crate
Specification: COS80-210 to COS1000-11170
Origin: Changsha, Hunan, China
HS Code: 8413709990
Specifications:
August 09, 2025