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Help CenterShanghai Kaiquan KQSN250-M9/327 Pump Wear Ring for Split Case Pump
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Jiangsu Manqi Machinery Co., Ltd., established in 2017 and located in Suzhou, Jiangsu, China, is a professional manufacturer specializing in high-quality pump components and industrial machinery parts. With a factory area spanning 10,000–30,000 square meters and a dedicated team of 11–50 experienced employees, we are committed to delivering durable and precision-engineered products for global clients. Our annual export value exceeds US$1 million, serving markets across Eastern Europe, Southeast Asia, Africa, and South Asia. We are proud to present the Shanghai Kaiquan KQSN250-M9/327 Pump Wear Ring, a critical replacement part designed specifically for split case pumps. This wear ring is manufactured to meet the original equipment manufacturer (OEM) specifications, ensuring seamless fit, reliable performance, and extended service life for your pumping system.
The wear ring is a vital component in split case pumps, reducing leakage between the impeller and casing, thereby maintaining pump efficiency and preventing premature wear. Our KQSN250-M9/327 wear ring is crafted from high-quality materials, rigorously tested, and available in customizable options to suit diverse operating conditions. Whether for water supply systems, irrigation projects, HVAC installations, or industrial fluid handling, this wear ring delivers consistent performance and reduces downtime.
Key Features & Technical Advantages
Precision Engineering: Manufactured using advanced CNC machining and strict quality control processes to ensure dimensions match the original Kaiquan KQSN250-M9/327 specifications. Tolerances are maintained within ±0.05mm for a perfect fit.
Material Options: Available in stainless steel (304, 316) or high-grade cast iron, with optional surface hardening treatments to resist abrasion and corrosion. Materials are selected based on the application environment — ask our team for recommendations.
Enhanced Efficiency: By minimizing internal leakage, the wear ring helps maintain the pump's hydraulic efficiency at optimal levels (up to 85% efficiency retention under normal conditions). This directly reduces energy consumption and operating costs.
Extended Pump Life: Protects the more expensive impeller and casing from wear, postponing major overhauls. Typical service life of our wear ring is 2–3 years under standard water treatment conditions, depending on the fluid properties.
Easy Installation: Designed as a direct replacement part, no modifications required. Each ring comes with clear installation instructions and can be fitted by a qualified technician within 1–2 hours.
Customizable: If your pump has slightly different dimensions or you require a specific material or hardness, we offer customization services. Minimum order quantity (MOQ) and lead time are available upon request.
Comprehensive Quality Testing: Each batch undergoes dimensional inspection, material composition analysis, and hardness testing. A test report can be provided with each shipment.
Technical Specifications (Typical for KQSN250-M9/327)
| Parameter | Value / Range |
| Model | KQSN250-M9/327 |
| Applicable Pump Series | Shanghai Kaiquan Split Case Pump (Double Suction) |
| Material (Standard) | Cast Iron / Ductile Iron |
| Material (Optional) | Stainless Steel SS304 / SS316 / Custom |
| Inner Diameter (Impeller side) | Custom – please specify your pump's dimensions |
| Outer Diameter (Casing side) | Custom – per OEM drawing |
| Thickness | Typical 6–15 mm (depending on design) |
| Hardness (Optional coating) | HRC 40–55 available upon request |
| Maximum Operating Temperature | Up to 120°C (for standard iron versions) |
| Packing & Delivery | Standard export packaging; Lead time 15–25 days |
Benefits for Your Business
Cost Savings: Replacing a worn wear ring is significantly cheaper than replacing the entire impeller or casing. Our competitive pricing helps you maintain your pump fleet economically.
Reduced Downtime: With our reliable stock and fast lead times (15–25 days), you can minimize unplanned maintenance stoppages. Emergency orders can be expedited upon request.
Global Logistics: We ship from Port of Shanghai to major ports worldwide. Our experienced logistics team ensures safe and timely delivery.
Technical Support: Our engineers are available to assist with material selection, dimension verification, and installation tips. We provide drawings and specifications before mass production to ensure accuracy.
Bulk Order Discounts: For large quantities or long-term contracts, we offer volume discounts and flexible payment terms. Contact us for a tailored quote.
Why Choose Jiangsu Manqi Machinery? We are a manufacturer with direct control over production quality. Our factory is equipped with modern machining centers, and we adhere to strict internal quality protocols. Since our establishment in 2017, we have supplied pump components to clients in Eastern Europe, Southeast Asia, Africa, and South Asia, earning recognition for reliability and punctuality. Although we are a growing company (11–50 employees), our agility allows us to provide personalized service and quick response times — something larger factories often lack. Each wear ring is traceable to its production batch, ensuring accountability.
Ready to restore your split case pump's performance? Order the Shanghai Kaiquan KQSN250-M9/327 Pump Wear Ring from Jiangsu Manqi Machinery Co., Ltd. today. Send us your inquiry with your pump's specifications, and we'll provide a detailed quotation within 24 hours. We look forward to a long-term partnership!
Frequently Asked Questions (FAQ)
Q: Is this wear ring an original Shanghai Kaiquan part?
A: We manufacture replacement parts that are compatible and meet OEM specifications. While not original Kaiquan-branded, our wear rings are produced to match the exact dimensions and performance standards of the KQSN250-M9/327 model.Q: Can I get a sample before placing a bulk order?
A: Yes, we offer sample orders. A sample fee applies and is refundable upon bulk purchase (MOQ applies). Shipping costs are covered by the buyer.Q: What materials are available, and which one should I choose?
A: Standard is cast iron. For abrasive or corrosive fluids, we recommend stainless steel (SS304/SS316). If you need higher hardness, we can apply surface treatment. Please provide the fluid type and operating pressure for our recommendation.Q: How do I confirm the correct size?
A: You can provide the pump model (KQSN250-M9/327) and we will use our database to match. Alternatively, send us the inner diameter of the existing wear ring or a drawing. We will verify before production.Q: What is the minimum order quantity (MOQ)?
A: For standard dimensions, MOQ is 10 pieces. For customized dimensions or special materials, MOQ may be higher. Please inquire.Q: Do you provide a quality guarantee?
A: Yes, we offer a 12-month warranty against manufacturing defects from the date of shipment. In case of dimensional mismatch (if we made an error), we will replace or refund.Q: How long does delivery take?
A: Typical lead time is 15–25 days after order confirmation. Express shipping (DHL, FedEx) can be arranged for urgent orders at additional cost.Q: Can you produce wear rings for other pump brands or models?
A: Absolutely. We are a custom manufacturer. Send us the pump details or a sample, and we can produce wear rings for any split case pump or similar equipment.
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