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Help CenterSLOW200-740 Cast Steel Impeller for Industrial Boiler Feed Water Pump
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Jiangsu Manqi Machinery Co., Ltd. is a professional manufacturer based in Suzhou, Jiangsu, China, with over 7 years of experience in producing high-quality pump components. Our SLOW200-740 Cast Steel Impeller is designed specifically for industrial boiler feed water pumps, offering excellent durability and hydraulic performance. Manufactured in our 10,000-30,000 m² facility, each impeller undergoes strict quality control to ensure reliable operation in demanding environments. With a skilled team of 11-50 employees and a strong export network to Eastern Europe, Southeast Asia, Africa, and South Asia, we are committed to delivering cost-effective solutions for your pumping needs.
This impeller is cast from premium cast steel, providing superior strength and wear resistance even under high pressure and temperature conditions. The precision machining and dynamic balancing ensure smooth rotation, minimal vibration, and extended service life. Whether you are replacing worn parts or building a new pump system, the SLOW200-740 impeller is a reliable choice.
Key Features & Benefits
- Robust Cast Steel Construction: Withstands high temperatures (up to 200°C) and pressures, suitable for continuous boiler feed duty.
- Optimized Hydraulic Design: Enhances pump efficiency and reduces energy consumption, lowering operational costs.
- Precision Balancing: Each impeller is dynamically balanced to G6.3 grade or better, ensuring smooth operation and reduced bearing wear.
- Corrosion Resistance: Optional anti-corrosion coating available for aggressive water or chemical environments.
- Interchangeable Design: Compatible with standard SLOW200-740 pump casings, easy to install without modification.
- Customizable Dimensions: We can adjust diameter, hub size, and vane shape according to your specific pump requirements.
Technical Specifications
| Parameter | Value |
| Model | SLOW200-740 |
| Material | Cast Steel (e.g., ASTM A216 WCB or equivalent) |
| Maximum Operating Temperature | 200°C (392°F) typical |
| Maximum Working Pressure | 2.5 MPa (360 psi) typical |
| Balance Grade | G6.3 (standard), G2.5 available upon request |
| Surface Finish | Ra ≤ 3.2 μm (machined surfaces) |
| Hardness (as cast) | HB 180-230 |
These specifications are based on standard industry requirements. For special applications, we can tailor the impeller design to meet your exact needs. The casting process includes sand casting or investment casting, followed by heat treatment and machining to ensure dimensional accuracy. Each impeller is inspected using non-destructive testing methods such as ultrasonic or magnetic particle inspection (optional).
Why Choose Jiangsu Manqi Machinery?
- Established in 2017 – We have accumulated years of experience in pump component manufacturing.
- Factory Size: 10,000-30,000 m² – Adequate production capacity to handle large and small orders.
- Skilled Workforce: 11-50 employees, including experienced engineers and technicians.
- Global Reach: Our products are exported to Eastern Europe, Southeast Asia, Africa, and South Asia, trusted by clients worldwide.
- Flexible Shipping: Conveniently located near the Port of Shanghai ensures fast and cost-effective logistics.
- Customization Available: We accept OEM/ODM requests for non-standard sizes or special materials.
We believe that every customer deserves a reliable product backed by responsive service. Our quality control system covers every step from raw material inspection to final packaging. Before shipment, each impeller is tested for hardness, dimension, and balance to ensure it meets your specifications. We also offer a 12-month warranty against manufacturing defects (terms apply).
For inquiries, please provide your pump model, operating conditions, and any specific requirements. Our team will respond within 24 hours with a detailed quotation. Contact us today to discuss your boiler feed water pump impeller needs!
Frequently Asked Questions (FAQ)
Q1: What material is the SLOW200-740 impeller made of?
A: The standard material is cast steel (ASTM A216 WCB or equivalent). Other grades like stainless steel or alloy steel are available upon request.
Q2: Is this impeller compatible with other pump brands?
A: The SLOW200-740 is designed for the corresponding pump model. However, we can customize dimensions to fit other pump casings. Please provide your pump drawings for verification.
Q3: What is the typical lead time for an order?
A: For standard impellers, the lead time is 15-20 working days after order confirmation. Custom orders may take 25-30 working days, depending on complexity.
Q4: How is the impeller packaged for export?
A: Each impeller is individually wrapped with anti-rust paper, then packed in a plywood crate with foam support to prevent movement during transit.
Q5: Can you provide dynamic balancing certificates?
A: Yes, we can provide a balancing report upon request. Additional charges may apply for third-party inspection.
Q6: What is the maximum operating temperature for this impeller?
A: The cast steel impeller can typically handle temperatures up to 200°C (392°F). For higher temperatures, we recommend a different material like 304 stainless steel.
Q7: Do you offer samples before mass production?
A: Yes, we can provide a sample impeller for evaluation. The sample cost is negotiable, and it will be deducted from the final order quantity.
Q8: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is 1 piece for initial orders. For repeat orders, we can discuss flexible quantities.
Ready to order or need more information? Contact Jiangsu Manqi Machinery Co., Ltd. today. We look forward to partnering with you!
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