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Help CenterShanghai Kaiquan KQSN500-M9/675 Split Case Pump Cast Impeller OEM Replacement Component
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Welcome to Jiangsu Manqi Machinery Co., Ltd. — a professional manufacturer specializing in high-quality pump components since 2017. Our Split Case Pump Cast Impeller for Shanghai Kaiquan KQSN500-M9/675 is a premium OEM replacement part designed to restore your pump's original performance. Manufactured with precision casting techniques and stringent quality control, this impeller ensures reliable operation, extended service life, and seamless compatibility with your existing pump. Whether you need a direct replacement or a customized solution, our engineering team is ready to support your demands.
Key Features & Benefits
Precision Casting – Each impeller is produced through advanced casting processes that guarantee accurate dimensions and smooth hydraulic profiles, minimizing vibration and maximizing pump efficiency.
Material Versatility – Offered in various materials including cast iron, ductile iron, and stainless steel (304/316). You can select the best material for your fluid medium (clean water, seawater, chemicals, etc.).
Balanced Rotor – All impellers are dynamically balanced to G6.3 grade or higher, reducing bearing loads and noise for quiet, stable pump operation.
OEM Exact Fit – Designed specifically for Kaiquan KQSN500-M9/675 split case pumps; no modification required for installation.
High Durability – Heat-treated and tested for hardness and wear resistance, ensuring long-term performance even under continuous heavy-duty use.
Cost-Effective Solution – Get the same quality as original parts at a competitive price, reducing your maintenance and replacement costs.
| Parameter | Details |
| Pump Model | KQSN500-M9/675 |
| Impeller Diameter (max) | Approx. 675 mm (customizable) |
| Number of Vanes | 6 (typical, verified per OEM drawing) |
| Weight (approx.) | 120–180 kg (depending on material) |
| Balance Grade | G6.3 (standard), G2.5 (optional) |
| Testing Available | Hydrostatic, hardness, chemical composition reports upon request |
Technical Advantages
Optimized vane design for improved hydraulic efficiency and reduced NPSHr.
Strict dimensional tolerances ensure smooth fit with shaft and wear rings.
Each impeller is inspected using coordinate measuring machines (CMM) to verify profile accuracy.
Anti-corrosion coating available for aggressive fluid applications.
Can be manufactured according to your custom drawing or sample.
Why Choose Jiangsu Manqi Machinery?
Since 2017, our factory in Suzhou (close to Shanghai port) has been dedicated to producing high-quality pump replacement components. We operate a 10,000-30,000 square meter facility with experienced technicians and modern equipment. Our products are trusted by clients across Eastern Europe, Southeast Asia, Africa, and South Asia. We maintain a strict quality management system — each casting undergoes visual, dimensional, and material verification before shipment. With annual export value below US$1 million, we focus on small to medium-sized orders with personalized attention. Our OEM expertise ensures that every impeller matches the original Kaiquan pump perfectly. We also offer flexible packing and fast delivery to meet your project timeline.
Contact us today for more details or to place an order. Our team will provide technical datasheets, competitive quotations, and after-sales support. Replace your old impeller with confidence — choose precision, choose Jiangsu Manqi.
Frequently Asked Questions
Q: Will this impeller fit my Kaiquan KQSN500-M9/675 pump exactly?
A: Yes, it is an OEM replacement component designed to the original specifications. No modifications are required for installation.Q: What materials are available?
A: We offer cast iron (HT250), ductile iron (QT500-7), stainless steel (304, 316), and bronze (upon request). Please advise your fluid type for the best recommendation.Q: Do you provide balance certificates?
A: Yes, a dynamic balance report can be included with the shipment at no extra cost upon request.Q: What is the minimum order quantity (MOQ)?
A: MOQ is 1 piece for this standard model; larger discounts apply for bulk orders.Q: How long is the delivery time?
A: Typically 15-25 working days after confirmation of drawing and payment. Rush orders can be arranged with prior notice.Q: Can you manufacture according to my drawing?
A: Yes, we offer custom casting services. Provide your drawing or sample, and we will produce accordingly.Q: What packaging do you use for export?
A: Each impeller is individually packed with protective foam/wrap, then placed in a plywood case suitable for sea freight.Q: Do you test the impeller before shipping?
A: We perform visual inspection, dimensional check, and hardness test as standard. Additional testing (hydrostatic, X-ray) is available upon request.
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