Horizontal Split Case Pump

Model: ZA/ZE Series
Structure: Single-stage single-suction horizontal split case pump
Flow Rate: ≤ 2600 m3/h
Head: ≤ 300 m
Design Standard: API610
Working Pressure: 2.5 MPa(ZA); 5.0MPa(ZE)
Working Temperature: ≤175℃(ZA); ≤450℃(ZE)
Motor Power: 1.1~160 kW
Outlet Caliber: DN25~DN450
Speed: 960 rpm; 1450 rpm; 2900 rpm;
Impeller Type: Closed Impeller; Semi-open Impeller; Open Impeller
Heating Jacket: Optional

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Products Description

The ZA and ZE series horizontal split-case pumps are designed according to API 610 standards, offering safe, reliable, and stable operation. They handle clean or particulate-laden, neutral or corrosive high-temperature media and are widely used in petrochemicals, papermaking, coal processing, food, pharmaceuticals, and environmental protection.

ZA Series Horizontal Split Case Pump

Model Description

Model Description of ZA Series Horizontal Split Case Pump

Product Details

Model	ZA/ZE Series
Structure	Single-stage single-suction horizontal split case pump
Flow Rate	≤ 2600 m3/h
Head	≤ 300 m
Design Standard	API610
Working Pressure	2.5 MPa(ZA); 5.0MPa(ZE)
Working Temperature	≤175℃(ZA); ≤450℃(ZE)
Motor Power	1.1~160 kW
Outlet Caliber	DN25~DN450
Speed	960 rpm;1450 rpm; 2900 rpm;
Impeller Type	Closed impeller; semi -open impeller; open impeller
Heating Jacket	Optional
Material	Carbon Steel; SS304, SS316, duplex steel, titanium alloy, High alloy, etc.
Application	Petrochemical, coal chemical, auto part coating, vegetable oil, battery industry, textile, metallurgy, food, pharmaceutical, sugar, water supply desalination, salt industry, environmental protection, etc.

Design Features

Excellent Anti-Cavitation Performance – Low NPSHr reduces the risk of cavitation and helps save on system investment.

Wide Performance Range – Close intervals in flow and head make type selection convenient.

High Standardization – Impellers and bearing accessories of ZA and ZE pumps are interchangeable.

Flexible Bearing Cooling – Three cooling options are available: air cooling, fan cooling, and water cooling, suitable for different operating conditions.

Structure Diagram

Structure Diagram of Chemical Transfer Pump

1. Impeller nut	4. Pump cover	7. Seal cover	10. Suspension loop	13. Oil draining bolt	16. Lock nut
2. Pump body	5. Axle sleeve	8. Bearing box	11. Front bearing	14. Axle	17. Real axle bearing cover
3. Impeller	6. Machine seal	9. Front axle bearing cover	12. Air chamber	15. After bearing	18. Coupling

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