Self-priming single-stage double-suction centrifugal pump: fast start-up, efficient drainage and irrigation
Self-priming single-stage double-suction centrifugal pump Product Overview
Welcome to the self-priming single-stage, double-suction centrifugal pump recommended by Yixuan Platform—a highly efficient fluid transfer solution designed for complex applications such as modern agricultural irrigation, urban drainage, industrial water use, and emergency flood control. This product combines rapid self-priming, high-flow delivery, and stable operation, making it a reliable and powerful partner for various drainage and irrigation scenarios.
Self-priming single-stage double-suction centrifugal pump Core Advantages
✅ Quick Start, No Priming Required
Utilizing advanced self-priming technology, the pump automatically primes within 60 seconds after startup, eliminating the need for pre-priming. This significantly reduces operating time and improves efficiency. It is particularly suitable for applications with frequent starts and stops or installation locations above the liquid level.
✅ Double-suction impeller design for high flow and efficiency
The innovative single-stage, double-suction structure draws liquid simultaneously from both sides of the impeller, effectively balancing axial forces, reducing vibration and wear, and achieving higher flow rates with lower energy consumption. Compared to traditional single-suction pumps, this pump delivers over 30% higher flow rates and smoother operation.
✅ Widely Applicable to a Wide Range of Media
Can transport clear water or liquids with similar physical and chemical properties. Suitable for a variety of applications, including farmland irrigation, fish pond pumping, municipal drainage, construction site drainage, and factory circulating water systems, it offers strong adaptability.
✅ Durable, Reliable, and Easy to Maintain
The pump body is constructed of high-strength cast iron or stainless steel, resisting corrosion and wear. The mechanical seal design prevents leaks and offers a long service life. The modular structure allows for easy assembly and disassembly, making daily maintenance simple and efficient.
Applications
Self-priming single-stage double-suction centrifugal pump Agricultural Irrigation
Suitable for efficient irrigation systems in large farmlands, orchards, and greenhouses, providing rapid water supply and ensuring crop growth.
Urban Drainage
Handles emergency drainage tasks such as stormwater accumulation, underground garage drainage, and river dredging, providing rapid response and worry-free drainage.
Construction
Used in complex environments such as foundation pit drainage, construction site drainage, and tunnel construction. It is dirt-resistant and operates stably.
Industrial Applications
Suitable for industrial processes such as factory cooling water circulation, sewage treatment, and process water transportation.
OS horizontal split case pump overview:
OS horizontal split case pump parameters:
| Model | Capacity | Head | Speed | Motor Power |
| OS | m3/h | l/s | m | r/min | kw |
| OS80-270 | 166 207 248 | 46.1 57.5 69 | 97.5 90 79 | 2900 | 75 |
| 156 194 233 | 43.2 54 64.8 | 83.5 77 69 | 75 |
| 147 184 220 | 40.8 51 61.2 | 70 63.5 55 | 55 |
| 138 172 198 | 38.4 48 55
| 56.5 50 45 | 37 |
| OS100-250 | 230 288 346 | 64 80 96 | 83 75 67 | 2900 | 90 |
| 219 274 328 | 60.8 76 91.2 | 69 63 55 | 75 |
| 209 261 313 | 58 72.5 87 | 59 52 46.5 | 55 |
| 193 240 290 | 53.6 66.7 80.6 | 49 45 37 | 45 |
| OS125-300 | 428 535 640 | 118.8 148.5 178.3 | 117 108 94 | 2900 | 200 |
| 397 497 596 | 110.3 138 165.6 | 97 88 75 | 160 |
| 363 454 544 | 100.8 126 151.2 | 80 72 62 | 132 |
| 323 403 484 | 89.6 112 134.4 | 65 57 47 | 90 |
| OS200-520 | 654 817 960 | 181.7 227 272.2 | 96 91 83 | 1450 | 280 |
| 605 756 907 | 168 210 252 | 82.5 76.5 70 | 250 |
| 565 706 847 | 156.9 196.1 235.2 | 67 62.5 55 | 200 |
| 518 648 778 | 144 180 216.1 | 52.3 47.5 42 | 132 |
| OS300-700 | 1469 1836 2070 | 408 510 575 | 170 160 151 | 1450 | 1120 |
| 1388 1735 2082 | 386 482 578 | 147 136 125 | 900 |
| 1298 1623 1948 | 361 451 541 | 122 112 100 | 630 710 |
| 1230 1537 1845 | 342 427 512 | 100 91 80 | 500 560 |
If these horizontal split case pumps do not meet your requirements, please feel free to contact us. We will choose one suitable model for you.
FAQ
Q: What is a self-priming single-stage double-suction centrifugal pump?
A: A self-priming, single-stage, double-suction centrifugal pump automatically removes air from the suction line upon startup, enabling rapid water delivery. It features a compact structure, high flow rate, and high efficiency.
Q: How do I choose the appropriate pump model for my needs?
A: First, determine the application scenario, then select the appropriate model based on the required flow rate and head.
Q: What precautions should I take when installing a water pump?
A: Ensure the installation location is stable and well-ventilated, away from direct sunlight and rain.
Before installation, check that all components are intact, especially the seals.
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