Model NO.: SN
Power: Electric
Start Up: Electric Pump
Type: Jet Pump
Application: Clarified Water Pump, Chemical Pump, Water Pump
Industry: Industry
Media: Water
Performance: High Efficiency Energy-Save
Theory: Centrifugal Pump
Transport Package: Wooden-Case
Specification: Light duty save cost
Origin: China
HS Code: 8413709990
Tongke SN Horizontal Double Suction Split Casing Centrifugal Pump for Hydraulic ProjectsModel SN pump is a single-stage double-suction horizontal split centrifugal pump designed to transport pure water and liquids with physical and chemical properties similar to water. The maximum temperature of the liquid must not exceed 80°C.
Key Advantages √
1. Light Duty, Cost-Effective Design√
2. Excellent Stability and Easy Installation√
3. Outstanding Hydraulic Performance and High Efficiency√
4. Long Service Life of Bearings√
5. High-Quality NSK SKF Bearings and Burgmann Mechanical Seal√
6. Optional DIN and ANSI Standards to Meet Your Requirements√
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Operating Parameters
Diameter | DN 150-1200 mm |
Capacity | No more than 11500 m³/h |
Head | No more than 120 m |
Liquid Temperature | Up to 80°C |
Applications
Ideal for water supply and drainage in factories, mines, cities, power stations, land drainage, irrigation, and various hydraulic projects.

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Structural Drawing

1 | Casing | 2 | Cover | 3 | Impeller | 4 | Shaft | 5 | Double-suction seal ring |
6 | Shaft sleeve | 7 | Packing sleeve | 8 | Packing | 9 | Packing ring | 10 | Packing gland |
11 | Shaft sleeve nut | 12 | Bearing body | 13 | Fixing screw | 14 | Gland of bearing body | 15 | Bearing |
16 | Clutch | 17 | Bearing end cover | 18 | Water retaining ring | 19 | Stud | 20 | Key |
 Main Parts Material List
Part Name | Material | GB Standard |
Pump Casing | Cast Iron/Ductile Iron/Cast Steel/Stainless Steel | HT 250/QT400-18/ZG230-450/& as clients request |
Impeller | Bronze/Cast Iron/Bronze/Brass/Stainless Steel | ZCuSn10Pb1/Ht 250 ZCuZn16Si4/& as clients request |
Shaft | Carbon Steel/Stainless Steel | 2Cr13/40Cr |
Seal Ring on Pump Casing | Bronze/Cast Iron/Brass/Stainless Steel | ZCuSn10Pb1/HT 250/ZCuZn16Si4/& as clients request |
Both the inlet and outlet of this pump are located horizontally along the axial line, and the pump casing is split in the middle, allowing for easy maintenance without removing the pipelines or motor. The pump rotates clockwise when viewed from the clutch side, but it can also be configured to rotate counterclockwise upon special request.
The main components include the pump casing (1), pump cover (2), impeller (3), shaft (4), dual-suction seal ring (5), muff (6), and bearings (15). Most parts are made of cast iron, except the shaft, which is made of high-quality carbon steel. Materials can be customized based on the medium being pumped.
The pump is driven by an elastic coupling, and a stand may be required for belt-driven configurations. The shaft seal uses packing, and a water seal is provided via a tapered beard during operation to cool and lubricate the seal cavity while preventing air ingress.
The pump casing and cover form the working chamber of the impeller, with threaded holes for installing vacuum and pressure gauges on the flanges at both the inlet and outlet, as well as for draining water from the lower side.
The impeller is statically balanced, fixed with the muff and nuts on both sides, and its axial position can be adjusted using the nuts. Axial forces are balanced by the symmetrical blade arrangement, and any residual force is absorbed by the bearing at the end of the shaft. The pump shaft is supported by two single-row radial ball bearings, lubricated with grease, and the dual suction seal ring minimizes leakage at the impeller.
√ Note Before Ordering
Parameters Required for Order
1. Pump model, flow rate, head (including system loss), and NPSHr at the desired operating condition.
2. Type of shaft seal (mechanical or packing; if unspecified, mechanical seal will be delivered).
3. Pump rotation direction (specify CCW if needed; otherwise, CW will be delivered).
4. Motor parameters (Y series motor with IP44 rating is standard for low-voltage motors under 200 kW; specify voltage, protection rating, insulation class, cooling method, power, number of poles, and manufacturer for high-voltage motors).
5. Materials for pump casing, impeller, and shaft (standard materials will be used if unspecified).
6. Medium temperature (constant-temperature delivery if unspecified).
7. If the medium is corrosive or contains solid particles, please specify its characteristics.

Quality Certificate

Company Image

Service
20 years of design and engineering experience, and over 10 years of international market experience. Tongke provides the most professional and thoughtful pre-sales and after-sales service.
Technical Training | Equipment Evaluation
Installation and Debugging | Troubleshooting
Maintenance | Update and Improvement
Commitment to Service
1. One-year warranty. Free technical support for the entire product life.
2. Maintain lifelong contact with customers, collect feedback on equipment usage, and continuously improve product quality.
3. 24-hour hotline service, response within 8 hours.
Your call and email are always welcome
SN Horizontal Double Suction Split Casing Centrifugal Pump for Hydraulic Projects
Contact | Mr Seth Chen |
Telephone | 0086-13817768896 |
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